MOS


Line plots across dimensions of each concept
Tables

Table of contents



us-gaap:CommonStockValue

us-gaap:CommonStockSharesIssued

us-gaap:CommonStockSharesOutstanding
us-gaap:StatementEquityComponents

us-gaap:CommonStockSharesAuthorized

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareDiluted

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:ProductOrService
us-gaap:ProductOrService, us-gaap:StatementBusinessSegments
us-gaap:ProductOrService, us-gaap:StatementGeographical, us-gaap:TimingOfTransferOfGoodOrService
us-gaap:ProductOrService, us-gaap:TimingOfTransferOfGoodOrService

us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax

us-gaap:Revenues
us-gaap:ProductOrService
us-gaap:ProductOrService, us-gaap:StatementBusinessSegments
us-gaap:ProductOrService, us-gaap:StatementBusinessSegments, us-gaap:SubsegmentsConsolidationItems
us-gaap:ProductOrService
us-gaap:CostOfGoodsAndServicesSold

us-gaap:GrossProfit
us-gaap:ProductOrService, us-gaap:StatementBusinessSegments, us-gaap:SubsegmentsConsolidationItems
us-gaap:StatementBusinessSegments

us-gaap:SellingGeneralAndAdministrativeExpense

us-gaap:OperatingIncomeLoss
us-gaap:StatementBusinessSegments

us-gaap:OtherNonoperatingIncomeExpense

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax

us-gaap:IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxesPaidNet

us-gaap:ProfitLoss

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest
us-gaap:StatementEquityComponents

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest

us-gaap:Assets
us-gaap:StatementBusinessSegments

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:StockholdersEquity

us-gaap:AssetsCurrent

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:ReceivablesNetCurrent

us-gaap:InventoryNet

us-gaap:OtherAssetsCurrent

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:Goodwill
us-gaap:StatementBusinessSegments

us-gaap:OtherAssetsNoncurrent

us-gaap:LiabilitiesCurrent

us-gaap:AccountsPayableCurrent

us-gaap:OtherAccruedLiabilitiesCurrent

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent

us-gaap:MinorityInterest

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:StockholdersEquity

us-gaap:CommonStockValue

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax
us-gaap:StatementEquityComponents

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetIncomeLoss

us-gaap:ProfitLoss

us-gaap:DepreciationDepletionAndAmortization
us-gaap:StatementBusinessSegments

us-gaap:IncreaseDecreaseInInventories

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment
us-gaap:StatementBusinessSegments

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:RepaymentsOfLongTermDebt

us-gaap:RepaymentsOfLongTermDebt

us-gaap:ShareBasedCompensation

us-gaap:UnrecognizedTaxBenefits

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

mos:CanadianResourceTaxes
us-gaap:StatementBusinessSegments

mos:GrossProfitExcludingCanadianResourceTaxes
us-gaap:StatementBusinessSegments
us-gaap:ProductOrService, us-gaap:StatementBusinessSegments
mos:IntersegmentSales
us-gaap:RelatedPartyTransactionsByRelatedParty
mos:PercentageOfTotalProductionExpectedToMarket
us-gaap:StatementEquityComponents

us-gaap:AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition
us-gaap:StatementEquityComponents

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
us-gaap:StatementEquityComponents

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:AssetRetirementObligationAccretionExpense

us-gaap:AssetRetirementObligationForeignCurrencyTranslationGainLoss

us-gaap:AssetRetirementObligationLiabilitiesIncurred

us-gaap:AssetRetirementObligationLiabilitiesSettled

us-gaap:AssetRetirementObligationRevisionOfEstimate
us-gaap:FinancialInstrument
us-gaap:AvailableForSaleSecuritiesGrossRealizedGains
us-gaap:FinancialInstrument
us-gaap:AvailableForSaleSecuritiesGrossRealizedLosses

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:CommonStockDividendsPerShareCashPaid

us-gaap:DividendsCommonStockCash
us-gaap:StatementEquityComponents

us-gaap:EffectOfExchangeRateOnCashAndCashEquivalents

us-gaap:ForeignCurrencyTransactionGainLossBeforeTax

us-gaap:GoodwillForeignCurrencyTranslationGainLoss
us-gaap:StatementBusinessSegments

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments

us-gaap:IncomeLossFromEquityMethodInvestments

us-gaap:IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions

us-gaap:IncomeTaxReconciliationOtherReconcilingItems

us-gaap:IncomeTaxReconciliationPriorYearIncomeTaxes
us-gaap:IncomeTaxAuthority

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities

us-gaap:IncreaseDecreaseInDeferredIncomeTaxes

us-gaap:IncreaseDecreaseInOtherOperatingAssets

us-gaap:IncreaseDecreaseInOtherOperatingLiabilities

us-gaap:IncreaseDecreaseInReceivables

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements

us-gaap:InterestCostsCapitalized

us-gaap:InterestIncomeExpenseNet

us-gaap:InterestPaidNet

us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders
us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents
us-gaap:OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax
us-gaap:StatementEquityComponents
us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax
us-gaap:StatementEquityComponents
us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax

us-gaap:OtherComprehensiveIncomeLossBeforeTax
us-gaap:StatementEquityComponents
us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax
us-gaap:StatementEquityComponents
us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTax

us-gaap:OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax
us-gaap:StatementEquityComponents
us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax
us-gaap:StatementEquityComponents
us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax

us-gaap:OtherComprehensiveIncomeLossNetOfTax

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax
us-gaap:StatementEquityComponents
us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax

us-gaap:OtherComprehensiveIncomeLossTax
us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents
us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
us-gaap:StatementEquityComponents

us-gaap:OtherNoncashIncomeExpense

us-gaap:OtherOperatingIncomeExpenseNet

us-gaap:PaymentsForProceedsFromOtherInvestingActivities

us-gaap:PaymentsOfDividendsCommonStock

us-gaap:PaymentsToAcquireAvailableForSaleSecuritiesDebt

us-gaap:PaymentsToAcquireHeldToMaturitySecurities

us-gaap:ProceedsFromBankDebt

us-gaap:ProceedsFromOtherShortTermDebt

us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesDebt

us-gaap:ProceedsFromSaleOfHeldToMaturitySecurities

us-gaap:RelatedPartyCosts

us-gaap:RepaymentsOfBankDebt

us-gaap:RepaymentsOfOtherShortTermDebt

us-gaap:RevenueFromRelatedParties
us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodSharesRestrictedStockAwardGross

us-gaap:UnrealizedGainLossOnDerivatives

mos:ContractualObligationForEquityMethodInvestment
us-gaap:FairValueByMeasurementBasis
us-gaap:AccountsPayableFairValueDisclosure

us-gaap:AccrualForEnvironmentalLossContingencies

us-gaap:AccruedLiabilitiesCurrent

us-gaap:AdditionalPaidInCapitalCommonStock

us-gaap:AssetRetirementObligation
us-gaap:LitigationCase, us-gaap:LossContingenciesByNatureOfContingency

us-gaap:AssetRetirementObligationCurrent

us-gaap:AssetRetirementObligationsNoncurrent
us-gaap:OtherCommitments

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FinancialInstrument

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FinancialInstrument

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FinancialInstrument

us-gaap:AvailableForSaleSecurities
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FinancialInstrument

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss
us-gaap:FinancialInstrument

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss
us-gaap:FinancialInstrument

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue
us-gaap:FinancialInstrument

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue
us-gaap:FinancialInstrument
us-gaap:FairValueByMeasurementBasis
us-gaap:CashAndCashEquivalentsFairValueDisclosure

us-gaap:CustomerFunds
us-gaap:FairValueByMeasurementBasis
us-gaap:DebtInstrumentFairValue

us-gaap:DebtSecuritiesAvailableForSaleRestricted

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPosition

us-gaap:DeferredIncomeTaxAssetsNet

us-gaap:DeferredIncomeTaxLiabilitiesNet

us-gaap:DerivativeFairValueOfDerivativeAsset
us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByMeasurementFrequency

us-gaap:DerivativeFairValueOfDerivativeLiability
us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByMeasurementFrequency

us-gaap:DerivativeNetLiabilityPositionAggregateFairValue
us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeNonmonetaryNotionalAmount
us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeNotionalAmount

us-gaap:DividendsPayableCurrentAndNoncurrent

us-gaap:EmployeeRelatedLiabilitiesCurrent
us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:EquityMethodInvestmentOwnershipPercentage

us-gaap:EquityMethodInvestments

us-gaap:IncomeTaxesReceivable

us-gaap:InventoryFinishedGoodsNetOfReserves

us-gaap:InventoryNoncurrent

us-gaap:InventoryRawMaterialsNetOfReserves

us-gaap:InventorySuppliesNetOfReserves

us-gaap:InventoryWorkInProcessNetOfReserves

us-gaap:LiabilityForUncertainTaxPositionsNoncurrent

us-gaap:LongTermDebtAndCapitalLeaseObligations

us-gaap:LongTermDebtAndCapitalLeaseObligationsCurrent
us-gaap:FairValueByMeasurementBasis
us-gaap:LongTermDebtFairValue
us-gaap:LitigationCase
us-gaap:LossContingencyAccrualAtCarryingValue
us-gaap:LitigationCase
us-gaap:LossContingencyEstimateOfPossibleLoss
us-gaap:LitigationCase, us-gaap:Range
us-gaap:LitigationCase, us-gaap:Range, us-gaap:LossContingenciesByNatureOfContingency

us-gaap:NontradeReceivablesNoncurrent
us-gaap:DerivativeInstrumentRisk
us-gaap:NumberOfInterestRateDerivativesHeld

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:OtherAccruedLiabilitiesNoncurrent

us-gaap:OtherAssetsMiscellaneous
us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:OtherAssetsMiscellaneousCurrent

us-gaap:OtherAssetsMiscellaneousNoncurrent

us-gaap:OtherInventoryInventoryAtOffSitePremises

us-gaap:OtherShortTermBorrowings

us-gaap:PrepaidExpenseCurrent
us-gaap:FairValueByMeasurementBasis
us-gaap:ReceivablesFairValueDisclosure

us-gaap:RestrictedCashAndCashEquivalentsNoncurrent

us-gaap:RestrictedCashEquivalentsCurrent

us-gaap:ShortTermBankLoansAndNotesPayable
us-gaap:ShortTermDebtType
us-gaap:ShortTermDebtType
us-gaap:ShortTermDebtWeightedAverageInterestRate
us-gaap:FairValueByMeasurementBasis
us-gaap:ShorttermDebtFairValue

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
us-gaap:StatementEquityComponents

us-gaap:UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued

Tables

  2020-03-312019-03-312018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-05-312013-03-312013-02-282012-11-302012-09-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-282009-11-30
us-gaap:CommonStockValue ▄▄▄▄▄33333NANA3NANANANANANANANANANANANANANANANANANANANA3NANANA244NA4NANA
us-gaap:CommonStockSharesIssued ███▁▁389389389388388NANA388NANANANANANANANANANANANANANANANANANANANANANANANANA446446NA445NANA
us-gaap:CommonStockSharesOutstanding ▇██▁▁380385385351351NANA350NANANANANANANANANANANANANANANANANANANANA425NANANANA446446NA445NANA
 us-gaap:CommonStockSharesOutstanding us-gaap:StatementEquityComponents us-gaap:CommonStock▄▄▄▁▁▁▁▁▁▁▁▁▁▂▂▃▃▄▅██379385385351351351351350350349349352352356365367373380389425426NA425NA425425NA425425425425446446446446NA445NANA
us-gaap:CommonStockSharesAuthorized ▄▄▄▄▄10001000100010001000NANA1000NANANANANANANANANANANANANANANANANANANANANANANANANA700700NA700NANA
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding ▁█▆378387384NA352352350NA351349353NA356363367NANANANANA427NANANA427427426426NA426444447NA447447446NA446446
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic ▁█▅378385382NA351351350NA350349351NA354361366NA375384401NA425425NA425425425425425NA425443446NA446445445NA445445
us-gaap:EarningsPerShareBasic ▃▆▅▁▇▆▅▅▅▅▇▆▆█▇█▆▇▆-0.540.340.11-1.230.650.280.00.0300000000000000270.11-0.030.730.439999999999999950.451.080.810.960.540.650.54NA0.291.011.14000000000000060.890.811.480.981.011.20000000000000020.641.411.181.461.212.30.670.89000000000000010.50.24
us-gaap:EarningsPerShareDiluted ▃▆▅▁▇▆▅▅▅▅▇▆▆█▇█▆▇▆-0.540.340.11-1.230.650.280.00.0399999999999999250.11-0.030.730.449999999999999730.451.080.80.96000000000000020.540.640.54NA0.291.011.130.890.811.470.981.011.17999999999999970.641.41.171.45000000000000021.212.290.670.88000000000000010.50.24
  2020-03-312019-03-312018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-05-312013-03-312013-02-282012-11-302012-09-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-282009-11-30
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax ▂▂▃▃▃▂▁▂▃▁▁▄▃▅▄▅▄▅▃▄▃▆▆▄▄▅▆▅▇▄██▇▄▆▄▂▂▂179818991933209119841754157818621952167416742163210524872139237822502440198621811908261826922312224025362645250528202189301430832860221426742188186017311709
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService us-gaap:Product▂▄▅█▆▁179818991933209119841754NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService,us-gaap:StatementBusinessSegments us-gaap:Product,mos:MosaicFertilizantes▆▆▅▂█▁731698665519806467NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService,us-gaap:StatementBusinessSegments us-gaap:Product,mos:PhosphatesSegment▁█537598NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService,us-gaap:StatementBusinessSegments us-gaap:Product,mos:PotashSegment▁█438497NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService,us-gaap:StatementGeographical,us-gaap:TimingOfTransferOfGoodOrService us-gaap:Product,country:BR,us-gaap:TransferredAtPointInTime█▁▃712678688NA793482NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService,us-gaap:StatementGeographical,us-gaap:TimingOfTransferOfGoodOrService us-gaap:Product,country:US,us-gaap:TransferredAtPointInTime▄▁█561509631NA590630NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService,us-gaap:StatementGeographical,us-gaap:TimingOfTransferOfGoodOrService us-gaap:Product,mos:TotalForeign,us-gaap:TransferredAtPointInTime▁█▄123613891302NA13941124NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService,us-gaap:TimingOfTransferOfGoodOrService mos:ProductTypeFour,us-gaap:TransferredAtPointInTime▂▃█▇▁▅315319374359300342NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService,us-gaap:TimingOfTransferOfGoodOrService mos:ProductTypeOne,us-gaap:TransferredAtPointInTime▂▁▅█▁▁547524636746524539NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService,us-gaap:TimingOfTransferOfGoodOrService mos:ProductTypeThree,us-gaap:TransferredAtPointInTime▂▂▁▃█▂287293268326482287NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService,us-gaap:TimingOfTransferOfGoodOrService mos:ProductTypeTwo,us-gaap:TransferredAtPointInTime▁▆▁▆█▄471572463580631545NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax ▂▂▃▃▃▂▁▂▃▁▁▄▃▅▄▅▄▅▃▄▃▆▆▄▄▅▆▅▇▄██▇▄▆▄▂▂▂179818991933209119841754157818621952167416742163210524872139237822502440198621811908261826922312224025362645250528202189301430832860221426742188186017311709
us-gaap:Revenues ▂▂▃▃▃▂▁▂▃▁▁▄▃▅▄▅▄▅▃▄▃▆▆▄▄▅▆▅▇▄██▇▄▆▄▂▂▂179818991933209119841754157818621952167416742163210524872139237822502440198621811908261826922312224025362645250528202189301430832860221426742188186017311709
 us-gaap:Revenues us-gaap:ProductOrService us-gaap:Product▂▄▅█▆▁179818991933209119841754NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:Revenues us-gaap:ProductOrService,us-gaap:StatementBusinessSegments us-gaap:Product,mos:MosaicFertilizantes▆▆▅▂█▁731698665519806467NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:Revenues us-gaap:ProductOrService,us-gaap:StatementBusinessSegments us-gaap:Product,mos:PhosphatesSegment▁▄▆█▄█619806865996779974NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:Revenues us-gaap:ProductOrService,us-gaap:StatementBusinessSegments us-gaap:Product,mos:PotashSegment▄█▁█▆▆441503403496474468NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:CostOfGoodsAndServicesSold us-gaap:ProductOrService us-gaap:Product▆▂▅█▆▁175615901691181117441562NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:GrossProfit ▁▃▂▃▂▂▂▂▂▂▂▃▃▅▄▅▄▅▄▃▄▆▆▅▅▆▆▆▇▅▇▇█▇▆▄▆▄▃41309242280240192129205213154236355335607419579414521411321386665768641568675774747833521881848995853768504687476307
 us-gaap:GrossProfit us-gaap:StatementBusinessSegments mos:MosaicFertilizantes█▆▇▃▆▂▁66525932522518NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:GrossProfit us-gaap:StatementBusinessSegments mos:PotashSegment▃▅▃▃▃▃▂▂▁▁▃▄▃█▆█▃▇▆10918510211398109696539539815496295241303131250212NA184388488396308355440459514269393444515411285256NANANA
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us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest ▁▅▄▂▆▅▅▄▅▅▇▅▃▇▃▅▄▇▅▄▆▅▆▆▅▇▇█▆▇▆▇██-797191-100-48340817842-66-2247525111-349533-31799-142500-16-69268157401231144623633670220529259585653749NANANANANA
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us-gaap:NetIncomeLoss ▂▄▃▁▄▄▃▃▃▃▄▄▄▅▄▅▄▄▄▄▄▅▅▅▅▆▅▅▆▄▆▆▆▆█▄▅▄▄-20313042-4312279701139-102561551603902943602012482171291244294853793446284174295072736235266495421025297396222107
us-gaap:NetIncomeLossAttributableToNoncontrollingInterest ▄▆▃▇█▆▆█▇▆▆▆▆▆▆▆▇▆▆▆▇▆▆▆▆▇▇▇▆▄█▆▁▆▇▇▆▆▇-10-212002100000001000100001110-120-4011001
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us-gaap:Assets ▅██▄▃▂▁▁▂▃▃▂▂▃▃▄▄▄▃▆▃189752044520452186331780317444170961684017263176841762717412171171777617631182831845518293181121955417656NA18086NA1732217440NA1707016690159361580216180157861469914199NA12707NANA
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us-gaap:LiabilitiesAndStockholdersEquity ▅██▄▃▂▁▁▂▃▃▂▂▃▃▄▄▄▃▆▃189752044520452186331780317444170961684017263176841762717412171171777617631182831845518293181121955417656NA18086NA1732217440NA1707016690159361580216180157861469914199NA12707NANA
us-gaap:StockholdersEquity ▁▄▄▃▃▃▃▃▃▃▃▃▃▃▃▄▄▅▄▅█83861060110455961710114975696219584983699579996953196141013610192107031094411245108321130213532NA13425NA1312413082NA1256211983118101130012218116411098310241NA8722NANA
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us-gaap:AssetsCurrent ▃▃▂▃▁▁▁▁▂▂▂▃▃▄▄▄▅▄▄█▅422141463841461633753337321630573449379239574144426351005251536456585188535581056291NA6880NA63426533NA65406581593063596757668456935524NA4974NANA
us-gaap:CashAndCashEquivalentsAtCarryingValue ▂▁▁▄▁▁▁▁▁▂▂▂▂▄▄▄▅▄▄█▅▆▆▅▅▅▆▆▆▅▆▆▆▅▆▄▄▄▄10693846592153685660675673653105910571276128422092517237429702367249052933338391536973511332234203548359438113201362740383906335236592362252322912648
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us-gaap:InventoryNet ▄█▅▂▃▃▂▁▂▃▂▂▂▂▂▃▁▂▂▁▂193025722059154716661683153313911500170215661563154916121523171814711579160614321495NA1557NA15691518NA1484123713271206140212661133816NA1002NANA
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us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment █▇▆▆▆▅▅▅▅▄▄▃▃▃▃▃▂▂▂▂▁752771956423627461546049587957185603546853265038494048934680463344564341413740253673NA3760NA36733563NA34433284320031503087297528772759NA2542NANA
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us-gaap:Goodwill ▁▇▇▇▇▆▆▆▆▆▆▆▆▇▇█▇█▇██107717261760169317031661163916301651166716611595162517091686180617411792176417941833NA1844NA18521889NA18891844187418301895182918281794NA1763NANA
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us-gaap:LiabilitiesCurrent █▅▄▄▃▃▂▂▃▃▃▄▃▃▂▂▂▃▄█▁326923972220203118971872163314761939190218142048187118831620160015491922216332651302NA1764NA15361647NA16761917161420981783192815341770NA1303NANA
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us-gaap:OtherAccruedLiabilitiesCurrent ▆▅▄▅▅▆▄▅▃▁▂██▇▅▄▄▃▅▄▂383376326344370379334345300227270450459429363333334305354312244NA290NA288234NA253291NANANANANANANANANANA
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us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent ▄▄█▁▁▁▁▁▁▁▁▁▁▂▂▂14314728053606164646165696966707177NANANA69125NA140NA117128NA13614298102NA117NANANA204NANA
us-gaap:MinorityInterest ▆▇█▁▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁173206224214138383737363433121514171718181818NA17NA1918NA1716192020202629NA26NANA
us-gaap:OtherLiabilitiesNoncurrent █▇▇▂▂▂▂▂▂▂▂▃▂▃▄▄▄▃▃▂▁1644158515509679549569679529379459411030986101111281200120510841095927830NA907NA828854NA985975869785841855878869NA908NANA
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us-gaap:StockholdersEquity ▁▄▄▃▃▃▃▃▃▃▃▃▃▃▃▄▄▅▄▅█83861060110455961710114975696219584983699579996953196141013610192107031094411245108321130213532NA13425NA1312413082NA1256211983118101130012218116411098310241NA8722NANA
us-gaap:CommonStockValue ▄▄▄▄▄33333NANA3NANANANANANANANANANANANANANANANANANANANA3NANANA244NA4NANA
us-gaap:RetainedEarningsAccumulatedDeficit ▁▆▄▄▆▅▅▅▆▆▆▆▆▆▆▆▆▆▅▆█97181119610675106311107910905108611086311045111031120611014110581106511258111681115311069109161118211707NA11603NA1122410986NA1046410141968794358834833077037184NA5905NANA
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us-gaap:NetCashProvidedByUsedInOperatingActivities ▅▁▂█▅▆▅▇189-175-71411135242146322NANANANANANANANANANANANANANA854NA371322NA3391229404517554972365531556532476NA
us-gaap:NetCashProvidedByUsedInInvestingActivities ▇▆▁█▇▇▇▇-269-328-1220-24-220-177-245-266NANANANANANANANANANANANANANA-359NA-390-396NA-443-445-404-384-392-358-271740-681-270-204NA
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us-gaap:NetCashProvidedByUsedInOperatingActivities ▅▁▂█▅▆▅▇189-175-71411135242146322NANANANANANANANANANANANANANA854NA371322NA3391229404517554972365531556532476NA
us-gaap:NetIncomeLoss ▂▄▃▁▄▄▃▃▃▃▄▄▄▅▄▅▄▄▄▄▄▅▅▅▅▆▅▅▆▄▆▆▆▆█▄▅▄▄-20313042-4312279701139-102561551603902943602012482171291244294853793446284174295072736235266495421025297396222107
us-gaap:ProfitLoss ▂▄▃▁▄▄▃▃▃▃▄▄▄▅▄▅▄▄▄▄▄▅▅▅▅▆▅▅▅▄▆▆▆▆█▄▅▄▄-20412940-42922997-11440-112561551603912943612022482171291254304853793456304194305062716255266455421026298396223109
us-gaap:DepreciationDepletionAndAmortization ███▃▂▂▁▂▃▅▄▄▄▅▄▅▅▅▃217218217172168165158165172189183185180191182192189194174NA166167167155152147140137139127120120122114105104112101138
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us-gaap:IncreaseDecreaseInInventories ▄█▆▂▃▆▆▂▁▅▃▄▅▅▂▆▃24304147-98-51172133-104-19570-34107377-108168-74NA27NA2NA-19-166226213246-72123-193135115314-2274280-15NA
  2020-03-312019-03-312018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-05-312013-03-312013-02-282012-11-302012-09-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-282009-11-30
us-gaap:NetCashProvidedByUsedInInvestingActivities ▇▆▁█▇▇▇▇-269-328-1220-24-220-177-245-266NANANANANANANANANANANANANANA-359NA-390-396NA-443-445-404-384-392-358-271740-681-270-204NA
us-gaap:PaymentsToAcquirePropertyPlantAndEquipment ▆█▄▄▂▁▄▃▂▃▄▇▅▄▄▅▂▃▆263313223230197168223209196201235298245227229251188214274NA332374347367397393384449449411387391365311291294275208190
 us-gaap:PaymentsToAcquirePropertyPlantAndEquipment us-gaap:StatementBusinessSegments mos:PhosphatesSegment▆▅▂▃▁▃▃▁▁▁▄█▄▄▅▃▂▄▅1371201001098610110388899011115211711712810892115123NA1191401211009679991301281008197108765764NANANA
 us-gaap:PaymentsToAcquirePropertyPlantAndEquipment us-gaap:StatementBusinessSegments mos:PotashSegment▄█▅▄▄▁▅▅▄▄▅▇▆▃▄█▄▄█9814010310210261105107989811212911888941419193143NA199216203234257257263299303293295278236212231227NANANA
  2020-03-312019-03-312018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-05-312013-03-312013-02-282012-11-302012-09-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-282009-11-30
us-gaap:NetCashProvidedByUsedInFinancingActivities ▆▂▁█▃▂▃▁69822-213108994-85102-254NANANANANANANANANANANANANANA-96NA-65-103NA-131-92-479-460-28-69-452-30-33-38-639NA
us-gaap:RepaymentsOfLongTermDebt ▁▁▃▂▁▁▁█▁▁▁▁▂▁▁▁▁14102069621172641011561000NA0NA0NA000000051228134593353NA
  2020-03-312019-03-312018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-05-312013-03-312013-02-282012-11-302012-09-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-282009-11-30
us-gaap:RepaymentsOfLongTermDebt ▁▁▃▂▁▁▁█▁▁▁▁▂▁▁▁▁14102069621172641011561000NA0NA0NA000000051228134593353NA

Common Stock Value

us-gaap:CommonStockValue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-312012-05-312011-05-312011-02-282010-11-302010-05-31
Value33333333333332444
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Common Stock Par Or Stated Value Per Share

Common Stock Shares Issued

us-gaap:CommonStockSharesIssued



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-312011-02-282010-11-302010-05-31
Value389389389389389389389389389388388388446446445
Percentage of CommonStockSharesIssued100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Common Stock Shares Outstanding

us-gaap:CommonStockSharesOutstanding



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-312012-05-312011-02-282010-11-302010-05-31
Value380378380385385385385385385351351350425446446445
Percentage of CommonStockSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:CommonStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-05-312013-02-282012-11-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-05-312009-05-312008-05-31
Value379378380385385385385385385351351351351350350349349352352356365367373380389425426425425425425425425425446446446446445444443
Percentage of CommonStockSharesOutstanding99.7100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0100.00.00.00.00.0100.0100.0100.00.00.0

Common Stock Shares Authorized

us-gaap:CommonStockSharesAuthorized



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-312011-02-282010-11-302010-05-31
Value100010001000100010001000100010001000100010001000700700700
Percentage of CommonStockSharesAuthorized100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Diluted Shares Outstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312013-09-302013-02-282012-11-302012-09-302012-08-312012-02-292011-11-302011-08-312011-02-282010-11-302010-08-312010-02-282009-11-30
Value378385385387387387384352352350351349353356363367427427427426426426444447447447446446446
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Shares Outstanding Basic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312013-02-282012-11-302012-09-302012-08-312012-02-292011-11-302011-08-312011-02-282010-11-302010-08-312010-02-282009-11-30
Value378385385385385385382351351350350349351354361366375384401425425425425425425425425443446446445445445445
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Basic

us-gaap:EarningsPerShareBasic



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-05-312013-03-312013-02-282012-11-302012-09-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-282009-11-30
Value-0.54-2.4-0.11-0.60.340.28999999999999990.640.180.11-1.230.650.280.00.0300000000000000270.11-0.030.730.439999999999999950.451.080.810.960.540.650.540.291.011.14000000000000060.890.811.480.981.011.20000000000000020.641.411.181.461.212.30.670.89000000000000010.50.24
Percentage of EarningsPerShareBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Diluted

us-gaap:EarningsPerShareDiluted



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-05-312013-03-312013-02-282012-11-302012-09-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-282009-11-30
Value-0.54-2.4-0.11-0.60.340.28999999999999990.640.180.11-1.230.650.280.00.0399999999999999250.11-0.030.730.449999999999999730.451.080.80.96000000000000020.540.640.540.291.011.130.890.811.470.981.011.17999999999999970.641.41.171.45000000000000021.212.290.670.88000000000000010.50.24
Percentage of EarningsPerShareDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Revenue From Contract With Customer Excluding Assessed Tax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax



Period End2020-03-312019-03-312018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-05-312013-03-312013-02-282012-11-302012-09-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-282009-11-30
Value179818991933209119841754157818621952167416742163210524872139237822502440198621811908261826922312224025362645250528202189301430832860221426742188186017311709
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProductOrService

us-gaap:Product



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value179820762753217618992520292822051933209119841754
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.00.00.00.0100.00.00.00.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.00.00.00.0100.00.00.00.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Product100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProductOrService, us-gaap:StatementBusinessSegments

us-gaap:Product, mos:CorporateEliminationsAndOtherSegment



Period End2020-03-312019-03-31
Value91106
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.15.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.15.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Product mos:CorporateEliminationsAndOtherSegment100.0100.0

us-gaap:Product, mos:MosaicFertilizantes



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value73186313888326989691399712665519806467
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax40.70.00.00.036.70.00.00.034.424.840.626.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax40.70.00.00.036.70.00.00.034.424.840.626.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Product mos:MosaicFertilizantes100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Product, mos:PhosphatesSegment



Period End2020-03-312019-03-31
Value537598
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax29.931.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax29.931.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Product mos:PhosphatesSegment100.0100.0

us-gaap:Product, mos:PotashSegment



Period End2020-03-312019-03-31
Value438497
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax24.426.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax24.426.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Product mos:PotashSegment100.0100.0

us-gaap:ProductOrService, us-gaap:StatementGeographical, us-gaap:TimingOfTransferOfGoodOrService

us-gaap:Product, country:AR, us-gaap:TransferredAtPointInTime



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-30
Value2825222526266238
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.60.00.01.40.00.00.41.20.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.60.00.01.40.00.00.41.20.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Product country:AR us-gaap:TransferredAtPointInTime100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Product, country:AU, us-gaap:TransferredAtPointInTime



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-30
Value4112465616083187
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.30.00.02.90.00.04.30.90.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.30.00.02.90.00.04.30.90.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Product country:AU us-gaap:TransferredAtPointInTime100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Product, country:BR, us-gaap:TransferredAtPointInTime



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-30
Value71213478056781388702688793482
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax39.60.00.035.70.00.035.640.027.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax39.60.00.035.70.00.035.640.027.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Product country:BR us-gaap:TransferredAtPointInTime100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Product, country:CA, us-gaap:TransferredAtPointInTime



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-30
Value11715714213616015012680138
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.50.00.07.20.00.06.54.07.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.50.00.07.20.00.06.54.07.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Product country:CA us-gaap:TransferredAtPointInTime100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Product, country:CN, us-gaap:TransferredAtPointInTime



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-30
Value394872655253623943
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.20.00.03.40.00.03.32.02.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.20.00.03.40.00.03.32.02.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Product country:CN us-gaap:TransferredAtPointInTime100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Product, country:CO, us-gaap:TransferredAtPointInTime



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-30
Value14280162230262329
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.80.00.00.90.00.01.41.21.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.80.00.00.90.00.01.41.21.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Product country:CO us-gaap:TransferredAtPointInTime100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Product, country:HN, us-gaap:TransferredAtPointInTime



Period End2020-03-312019-03-31
Value74
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.40.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.40.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Product country:HN us-gaap:TransferredAtPointInTime100.0100.0

us-gaap:Product, country:IN, us-gaap:TransferredAtPointInTime



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-30
Value378558276482329382
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.10.00.01.50.00.01.74.74.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.10.00.01.50.00.01.74.74.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Product country:IN us-gaap:TransferredAtPointInTime100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Product, country:JP, us-gaap:TransferredAtPointInTime



Period End2020-03-312019-03-31
Value110
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.70.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.70.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Product country:JP us-gaap:TransferredAtPointInTime100.00.0

us-gaap:Product, country:MX, us-gaap:TransferredAtPointInTime



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-30
Value242835442523591945
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.40.00.02.30.00.03.11.02.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.40.00.02.30.00.03.11.02.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Product country:MX us-gaap:TransferredAtPointInTime100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Product, country:PE, us-gaap:TransferredAtPointInTime



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-30
Value1127920232111130
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.60.00.01.10.00.00.60.70.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.60.00.01.10.00.00.60.70.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Product country:PE us-gaap:TransferredAtPointInTime100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:Product, country:PY, us-gaap:TransferredAtPointInTime



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-30
Value163826214024144328
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.90.00.01.10.00.00.72.21.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.90.00.01.10.00.00.72.21.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Product country:PY us-gaap:TransferredAtPointInTime100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Product, country:TH, us-gaap:TransferredAtPointInTime



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-30
Value458558846
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.20.00.00.30.00.00.40.20.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.20.00.00.30.00.00.40.20.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Product country:TH us-gaap:TransferredAtPointInTime100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Product, country:US, us-gaap:TransferredAtPointInTime



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-30
Value561636615509804814631590630
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax31.20.00.026.80.00.032.629.735.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax31.20.00.026.80.00.032.629.735.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Product country:US us-gaap:TransferredAtPointInTime100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Product, mos:Canpotex, us-gaap:TransferredAtPointInTime



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-30
Value146272281257245201110202185
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax8.10.00.013.60.00.05.710.210.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax8.10.00.013.60.00.05.710.210.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Product mos:Canpotex us-gaap:TransferredAtPointInTime100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Product, mos:OtherForeign, us-gaap:TransferredAtPointInTime



Period End2020-03-312019-03-31
Value2431
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.41.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.41.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Product mos:OtherForeign us-gaap:TransferredAtPointInTime100.0100.0

us-gaap:Product, mos:TotalForeign, us-gaap:TransferredAtPointInTime



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-30
Value123621161561138921231390130213941124
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax68.80.00.073.20.00.067.470.364.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax68.80.00.073.20.00.067.470.364.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Product mos:TotalForeign us-gaap:TransferredAtPointInTime100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProductOrService, us-gaap:TimingOfTransferOfGoodOrService

mos:OtherProductTypes, us-gaap:TransferredAtPointInTime



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value170136131104183152122114168794640
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax9.50.00.00.09.60.00.00.08.73.82.32.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax9.50.00.00.09.60.00.00.08.73.82.32.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mos:OtherProductTypes us-gaap:TransferredAtPointInTime100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mos:ProductTypeFive, us-gaap:TransferredAtPointInTime



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value62014127230821000
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.40.00.00.00.40.00.00.01.10.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.40.00.00.00.40.00.00.01.10.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mos:ProductTypeFive us-gaap:TransferredAtPointInTime100.0100.0100.0100.0100.0100.00.0100.0100.00.00.00.0

mos:ProductTypeFour, us-gaap:TransferredAtPointInTime



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value315415470417319461536471374359300342
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax17.60.00.00.016.80.00.00.019.417.215.219.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax17.60.00.00.016.80.00.00.019.417.215.219.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mos:ProductTypeFour us-gaap:TransferredAtPointInTime100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mos:ProductTypeOne, us-gaap:TransferredAtPointInTime



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value547636736643524715906698636746524539
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax30.40.00.00.027.60.00.00.032.935.726.430.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax30.40.00.00.027.60.00.00.032.935.726.430.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mos:ProductTypeOne us-gaap:TransferredAtPointInTime100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mos:ProductTypeThree, us-gaap:TransferredAtPointInTime



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value287325509287293387497266268326482287
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax16.00.00.00.015.40.00.00.013.915.624.316.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax16.00.00.00.015.40.00.00.013.915.624.316.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mos:ProductTypeThree us-gaap:TransferredAtPointInTime100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mos:ProductTypeTwo, us-gaap:TransferredAtPointInTime



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value471540891711572780865646463580631545
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax26.20.00.00.030.10.00.00.024.027.731.831.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax26.20.00.00.030.10.00.00.024.027.731.831.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mos:ProductTypeTwo us-gaap:TransferredAtPointInTime100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Revenue From Contract With Customer Including Assessed Tax

us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax



Period End2020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-05-312013-03-312013-02-282012-11-302012-09-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-282009-11-30
Value17982753217618992520292822051933209119841754157818621952167416742163210524872139237822502440198621811908261826922312224025362645250528202189301430832860221426742188186017311709
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.00.00.0100.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Revenues

us-gaap:Revenues



Period End2020-03-312019-03-312018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-05-312013-03-312013-02-282012-11-302012-09-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-282009-11-30
Value179818991933209119841754157818621952167416742163210524872139237822502440198621811908261826922312224025362645250528202189301430832860221426742188186017311709
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProductOrService

us-gaap:Product



Period End2020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value17982753217618992520292822051933209119841754
Percentage of Revenues100.00.00.0100.00.00.00.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.00.00.0100.00.00.00.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Product100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProductOrService, us-gaap:StatementBusinessSegments

us-gaap:Product, mos:CorporateEliminationsAndOtherSegment



Period End2020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value6-71-172-10733-122-130-179-74-155
Percentage of Revenues0.30.00.0-5.70.00.00.0-0.13.8-3.7-8.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.30.00.0-5.70.00.00.0-0.13.8-3.7-8.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Product mos:CorporateEliminationsAndOtherSegment6.60.00.0-101.40.00.00.00.00.00.00.0

us-gaap:Product, mos:MosaicFertilizantes



Period End2020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value73113888326989691399712665519806467
Percentage of Revenues40.70.00.036.70.00.00.034.424.840.626.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax40.70.00.036.70.00.00.034.424.840.626.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Product mos:MosaicFertilizantes100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Product, mos:PhosphatesSegment



Period End2020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value61981991780692510411053865996779974
Percentage of Revenues34.40.00.042.40.00.00.044.847.639.255.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax34.40.00.042.40.00.00.044.847.639.255.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Product mos:PhosphatesSegment115.30.00.0134.80.00.00.00.00.00.00.0

us-gaap:Product, mos:PotashSegment



Period End2020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value441616599503591609569403496474468
Percentage of Revenues24.60.00.026.50.00.00.020.923.723.926.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax24.60.00.026.50.00.00.020.923.723.926.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Product mos:PotashSegment100.70.00.0101.20.00.00.00.00.00.00.0

us-gaap:ProductOrService, us-gaap:StatementBusinessSegments, us-gaap:SubsegmentsConsolidationItems

us-gaap:Product, mos:CorporateEliminationsAndOtherSegment, mos:ChinaandIndiadistributionoperations



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value762141341339318811713789192124115
Percentage of Revenues4.30.00.00.04.90.00.00.04.69.26.36.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.30.00.00.04.90.00.00.04.69.26.36.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Product mos:CorporateEliminationsAndOtherSegment mos:ChinaandIndiadistributionoperations0.00.00.00.00.00.00.00.00.00.00.00.0

Sales Revenue Goods Net

Cost Of Goods And Services Sold

us-gaap:ProductOrService

us-gaap:CostOfGoodsAndServicesSold

us-gaap:Product



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value175619952473194915902054243219101691181117441562
Percentage of CostOfGoodsAndServicesSold100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax97.70.00.00.083.70.00.00.087.586.687.989.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Product97.796.189.889.683.781.583.186.687.586.687.989.0

Cost Of Goods Sold

Gross Profit

us-gaap:GrossProfit



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-05-312013-03-312013-02-282012-11-302012-09-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-282009-11-30
Value4180279227309466495294242280240192129205213154236355335607419579414521411321386665768641568675774747833521881848995853768504687476307
Percentage of GrossProfit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.30.00.00.016.30.00.00.012.513.412.111.08.211.110.99.214.116.415.924.419.624.318.421.420.714.720.325.428.527.825.426.729.329.829.623.829.227.534.838.528.723.137.027.518.0

us-gaap:ProductOrService, us-gaap:StatementBusinessSegments, us-gaap:SubsegmentsConsolidationItems

us-gaap:Product, mos:CorporateEliminationsAndOtherSegment, mos:ChinaandIndiadistributionoperations



Period End2020-03-312019-03-31
Value29
Percentage of GrossProfit4.82.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Product mos:CorporateEliminationsAndOtherSegment mos:ChinaandIndiadistributionoperations0.00.0

us-gaap:StatementBusinessSegments

mos:CorporateEliminationsAndOtherSegment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-05-312013-03-312013-02-282012-11-302012-09-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-31
Value-512482216-52-44-16-1111-33-24-21-46242-21-11-65-10-11-12-79-3-10-8-6340-2-711-51-1263
Percentage of GrossProfit-123.930.13.110.05.5-1.20.5-15.1-6.6-4.04.9-17.2-18.6-1.20.8-2.726.311.8-6.3-1.9-15.5-1.9-2.7-2.5-1.92.4-0.5-1.4-1.3-1.10.40.60.1-0.3-1.41.3-0.70.1-1.40.90.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-2.90.00.00.00.90.00.00.0-0.8-0.50.6-1.9-1.5-0.10.1-0.23.71.9-1.0-0.5-3.0-0.5-0.5-0.5-0.40.5-0.1-0.4-0.4-0.30.10.20.0-0.1-0.30.4-0.20.0-0.60.30.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mos:CorporateEliminationsAndOtherSegment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

mos:MosaicFertilizantes



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value66701323552118152535932522518
Percentage of GrossProfit160.687.247.215.516.925.530.718.024.511.621.813.214.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.70.00.00.02.80.00.00.03.11.62.61.41.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mos:MosaicFertilizantes0.00.00.00.00.00.00.00.00.00.00.00.00.0

mos:PhosphatesSegment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-05-312013-03-312013-02-282012-11-302012-09-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-31
Value-82-106-19-1154151180153961326676568310110064120198295221286294283207193279290253266317328287322259475409478454476245
Percentage of GrossProfit-200.2-131.4-6.9-5.217.732.436.352.239.947.427.739.643.640.647.565.227.333.959.348.752.949.471.054.450.350.042.037.839.446.947.042.538.538.649.754.048.348.153.262.048.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-4.60.00.00.02.90.00.00.05.06.43.44.33.64.55.26.03.95.69.411.910.412.013.111.610.410.110.710.810.911.912.512.411.511.411.815.813.316.720.517.811.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mos:PhosphatesSegment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

mos:PotashSegment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-05-312013-03-312013-02-282012-11-302012-09-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-31
Value1099215818118520116013210211398109696539539815496295241303131250212184388488396308355440459514269393444515411285256
Percentage of GrossProfit263.5114.056.679.759.943.332.544.942.340.640.957.253.531.918.734.441.543.528.948.557.752.531.748.151.547.758.563.561.854.352.656.961.561.751.744.752.451.848.237.150.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.10.00.00.09.80.00.00.05.35.45.06.34.43.52.03.25.97.14.611.911.312.85.810.310.79.714.918.117.213.814.016.718.318.212.313.114.418.018.610.711.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mos:PotashSegment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Operating Costs And Expenses

Selling General And Administrative Expense

us-gaap:SellingGeneralAndAdministrativeExpense



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-05-312013-03-312013-02-282012-11-302012-09-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-282009-11-30
Value6710478789389787993836671807466728994768910091838712091941161229190102114111117911001011118389881138282
Percentage of SellingGeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.80.00.00.04.90.00.00.04.84.03.34.15.14.03.44.45.44.43.63.64.73.83.73.66.04.24.94.44.54.04.04.14.34.54.24.23.33.33.93.83.34.06.14.84.8

Operating Income Loss

us-gaap:OperatingIncomeLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-05-312013-03-312013-02-282012-11-302012-09-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-282009-11-30
Value-66-1194139-241202258393196801272139430736912163204246510318364277403266179144525620491419559643610670413797729824770658410547388200
Percentage of OperatingIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-3.70.00.00.010.60.00.00.04.26.110.85.41.94.03.60.79.89.411.720.514.915.312.316.513.48.27.520.123.121.218.722.124.324.423.818.926.423.728.834.824.618.729.422.511.7

us-gaap:StatementBusinessSegments

mos:CorporateEliminationsAndOtherSegment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-05-312013-03-312013-02-282012-11-302012-09-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-31
Value-82-35-36-25-44-29-21-54-61-303-41-33-56-66430-20-15-78-24-7-15-37-5-11-2205-10-13-16-107-5-14-14414
Percentage of OperatingIncomeLoss124.83.0-26.410.4-22.0-11.6-5.4-27.9-76.7-24.21.4-44.3-112.0-7.99.2-55.339.415.1-8.5-3.1-24.7-6.7-2.7-3.9-14.2-3.7-2.2-3.60.01.4-0.2-0.1-2.2-2.5-2.51.0-0.8-1.7-1.90.73.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-4.60.00.00.0-2.30.00.00.0-3.2-1.50.2-2.4-2.1-0.30.3-0.43.81.4-1.0-0.6-3.7-1.0-0.3-0.7-1.9-0.3-0.4-0.80.00.3-0.1-0.0-0.5-0.6-0.50.3-0.2-0.5-0.70.20.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mos:CorporateEliminationsAndOtherSegment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

mos:MosaicFertilizantes



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value29498227821211481037104
Percentage of OperatingIncomeLoss-43.8-0.470.3-1.013.532.030.87.310.98.217.511.215.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.60.00.00.01.40.00.00.00.50.51.90.60.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mos:MosaicFertilizantes0.00.00.00.00.00.00.00.00.00.00.00.00.0

mos:PhosphatesSegment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-05-312013-03-312013-02-282012-11-302012-09-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-31
Value-106-711-69-3934369156128605688291612611174615725919018323820613857190198184197245246207224190431333369371402178
Percentage of OperatingIncomeLoss161.359.6-50.1162.521.527.039.865.574.344.741.331.555.516.48.995.910.822.863.950.959.750.486.151.151.840.036.331.937.647.143.838.234.033.446.054.245.744.848.261.143.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-5.90.00.00.02.30.00.00.03.12.74.41.71.10.60.30.71.12.17.510.48.97.710.68.57.03.07.37.48.08.89.79.38.37.98.714.310.812.916.815.08.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mos:PhosphatesSegment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

mos:PotashSegment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-05-312013-03-312013-02-282012-11-302012-09-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-31
Value94-45214817417513513610873837685352761885113652582042054621216691346444306216315398416463233357402469413251218
Percentage of OperatingIncomeLoss-142.337.8106.2-71.987.052.634.755.191.465.536.090.2118.937.99.8148.852.455.426.750.764.156.416.652.862.363.765.971.762.351.656.461.868.269.156.544.955.156.953.738.253.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.20.00.00.09.30.00.00.03.84.03.94.92.31.50.31.15.15.23.110.49.58.62.08.78.44.813.216.513.29.612.415.016.616.410.711.913.016.418.79.410.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mos:PotashSegment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Interest Expense

Other Nonoperating Income Expense

us-gaap:OtherNonoperatingIncomeExpense



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-05-312013-03-312013-02-282012-11-302012-09-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-282009-11-30
Value4-39-3-1-3-7-2-5-111-4-4000-2-1-7-500-1-4-90220000-11-19000-1600-505
Percentage of OtherNonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.30.00.00.0-0.10.00.00.0-0.3-0.10.10.1-0.3-0.20.0-0.00.0-0.1-0.1-0.3-0.30.00.0-0.1-0.2-0.40.00.10.1-0.0-0.00.0-0.0-0.00.0-0.9-0.00.0-0.0-0.7-0.0-0.0-0.30.00.3

Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-05-312013-03-312013-02-282012-11-302012-09-302012-05-312012-02-292011-11-30
Value-60397-18610751-1290-328-139-521777837-65-6556266-41-509139-616-219-353251-238140-256-67-152-205-10210-249254-369
Percentage of OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-33.60.00.00.02.70.00.00.0-7.2-2.58.94.52.4-3.5-3.33.415.9-1.9-24.25.6-28.8-9.2-15.710.3-12.07.4-9.8-2.5-6.6-9.2-0.48.0-8.811.6-12.2

Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest

us-gaap:IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-05-312013-03-312013-02-282012-11-302012-09-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-282009-11-30
Value-184-925-17-2191301122526643-43121991-1174222541561623902963542072502211241234244783773456254314235002676245246505461025295389232120
Percentage of IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-10.20.00.00.06.80.00.00.02.2-20.611.15.2-0.10.92.20.215.27.27.715.713.814.99.210.311.15.76.516.217.816.315.424.716.316.917.712.220.717.022.824.738.313.520.913.47.1

Income Loss From Continuing Operations Before Income Taxes Domestic

Income Loss From Continuing Operations Before Income Taxes Foreign

Income Tax Expense Benefit

us-gaap:IncomeTaxExpenseBenefit



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-05-312013-03-312013-02-282012-11-302012-09-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-282009-11-30
Value-133-28869-514632903-4949017-229-5-30-9-28-14107230277782-2131-6126146133108-781891631888723020518617528110913812550
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-7.40.00.00.02.50.00.00.0-2.623.40.9-1.30.6-0.3-1.5-0.6-1.7-0.70.52.91.41.13.43.4-0.16.0-0.34.85.55.84.9-3.17.16.56.74.07.76.76.57.910.55.07.57.22.9

Income Taxes Paid Net

us-gaap:IncomeTaxesPaidNet



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-03-312013-09-302013-05-312013-03-312013-02-282012-11-302012-09-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-28
Value66-6710993-47-131312-53-7-80-900186648914674-21240348080103130826111918515010012822977-4118
Percentage of IncomeTaxesPaidNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.70.00.00.04.90.00.00.00.7-2.6-0.4-0.5-0.0-4.8-0.01.10.40.32.33.72.23.1-1.01.20.01.33.53.64.14.93.32.25.56.24.93.55.88.63.5-0.26.8

Profit Loss

us-gaap:ProfitLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-05-312013-03-312013-02-282012-11-302012-09-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-282009-11-30
Value-204-950-40-2301291122496840-42922997-11440-112561551603912943612022482171291254304853793456304194305062716255266455421026298396223109
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-11.30.00.00.06.80.00.00.02.1-20.511.65.5-0.10.82.1-0.715.37.27.615.713.815.29.010.211.05.96.616.418.016.415.424.915.817.218.012.420.817.122.624.538.413.721.312.96.4

Comprehensive Income Net Of Tax

us-gaap:ComprehensiveIncomeNetOfTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-05-312013-03-312013-02-282012-11-302012-09-302012-08-312012-05-312012-02-292011-11-302011-08-31
Value-788-853-231-115192-27253-253-97-48340518041-68-2447524110-347532-31499-141499-17266158401231143622631669223529259585
Percentage of ComprehensiveIncomeNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-43.90.00.00.010.10.00.00.0-5.1-23.120.410.32.6-3.7-1.22.831.35.1-16.521.4-14.74.2-6.320.5-0.914.06.114.910.06.424.523.926.77.924.28.619.0

Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-05-312013-03-312013-02-282012-11-302012-09-302012-08-312012-05-312012-02-292011-11-302011-08-31
Value-8-2813-102-5-202-1121010-20-200001-1000111-3000
Percentage of ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.50.00.00.0-0.10.00.00.0-0.10.00.1-0.10.10.10.10.00.10.0-0.10.0-0.1-0.0-0.00.00.00.1-0.00.00.00.00.00.10.0-0.1-0.0-0.00.0

Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-05-312013-03-312013-02-282012-11-302012-09-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-28
Value-797-882-230-112191-26255-259-100-48340817842-66-2247525111-349533-31799-142500-16-69268157401231144623633670220529259585653749
Percentage of ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-44.30.00.00.010.10.00.00.0-5.2-23.120.610.22.7-3.6-1.22.831.45.2-16.621.4-14.84.2-6.320.5-0.8-3.214.06.014.910.06.424.623.926.87.824.28.619.022.833.8

us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-03-312013-12-31
Value-58567-18711761-1395-321-140-521788341-80-6357267-44-507141-609-260-343-235-198
Percentage of ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest73.5-7.681.5-104.932.1524.12.2124.0139.210.943.646.599.8121.9277.2120.950.9-39.6145.226.6192.0-262.2241.71398.8285.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-32.60.00.00.03.20.00.00.0-7.2-2.59.04.72.7-4.3-3.23.416.0-2.0-24.15.7-28.5-11.0-15.3-11.8-9.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NoncontrollingInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-03-312013-12-312013-05-312013-02-282012-11-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-28
Value-8-2813-102-5-202-1121010-20-200000011-3000-31
Percentage of ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest1.03.2-0.7-2.9-0.5-1.91.12.22.9-0.10.7-1.02.4-3.9-5.70.80.20.60.60.20.9-0.30.6-4.2-0.00.00.10.20.2-1.4-0.1-0.10.1-0.50.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.50.00.00.0-0.10.00.00.0-0.10.00.1-0.10.10.10.10.00.10.0-0.10.0-0.1-0.0-0.00.00.00.00.00.00.0-0.1-0.0-0.00.0-0.10.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-03-312013-12-31
Value-203-921-44-2331301122476742-4312279701139-10256155160390294360201217129
Percentage of ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest25.5104.419.2207.868.4-422.296.8-26.2-42.089.255.754.4-2.1-18.0-171.9-21.348.9139.0-45.873.3-92.9362.5-142.1-1294.6-185.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-11.30.00.00.06.90.00.00.02.2-20.611.55.5-0.10.62.0-0.615.37.27.615.713.815.29.011.05.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Income Loss

us-gaap:NetIncomeLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-05-312013-03-312013-02-282012-11-302012-09-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-282009-11-30
Value-203-921-44-2331301122476742-4312279701139-102561551603902943602012482171291244294853793446284174295072736235266495421025297396222107
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-11.30.00.00.06.90.00.00.02.2-20.611.55.5-0.10.62.0-0.615.37.27.615.713.815.29.010.211.05.96.516.418.016.415.424.815.817.118.012.520.717.122.724.538.313.621.312.96.3

Net Income Loss Attributable To Noncontrolling Interest

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-05-312013-03-312013-02-282012-11-302012-09-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-282009-11-30
Value-1-29420020-212002100000001000100001110-120-4011001
Percentage of NetIncomeLossAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.10.00.00.0-0.00.00.00.0-0.10.10.1-0.0-0.00.10.1-0.10.00.00.00.0-0.00.00.0-0.00.00.00.10.0-0.00.00.00.10.10.1-0.0-0.10.10.0-0.10.00.00.10.00.10.1

Assets

us-gaap:Assets



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-05-312013-02-282012-11-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-05-31
Value189751929820440206432044520119204142039820452186331780317444170961684017263176841762717412171171777617631182831845518293181121955417656180861732217440170701669015936158021618015786146991419912707
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementBusinessSegments

mos:CorporateEliminationsAndOtherSegment



Period End2020-03-312019-12-312019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-05-312012-05-312011-05-31
Value1119920175511526601-357-222921398338202-94-226-1101-1064-1016-1152-489586-1405-1617-2554-204111-1604-3758-2026
Percentage of Assets5.94.80.82.52.62.9-1.8-1.14.92.21.91.2-0.6-1.3-6.2-6.0-5.8-6.7-2.83.3-7.7-8.8-14.0-11.30.1-8.9-22.5-12.8
Percentage of Assets5.94.80.82.52.62.9-1.8-1.14.92.21.91.2-0.6-1.3-6.2-6.0-5.8-6.7-2.83.3-7.7-8.8-14.0-11.30.1-8.9-22.5-12.8
Percentage of Assets mos:CorporateEliminationsAndOtherSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mos:MosaicFertilizantes



Period End2020-03-312019-12-312019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value3214397443264070395241724331432913761249
Percentage of Assets16.920.621.019.919.620.421.221.27.47.4
Percentage of Assets16.920.621.019.919.620.421.221.27.47.4
Percentage of Assets mos:MosaicFertilizantes100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mos:PhosphatesSegment



Period End2020-03-312019-12-312019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-05-312012-05-312011-05-31
Value79147183857384247877769287548258770074037307751076797768811881988369825678997613113921013410894105129945993091238149
Percentage of Assets41.737.241.541.239.237.742.940.441.341.641.943.945.645.045.946.548.148.244.443.262.354.959.658.050.954.954.751.6
Percentage of Assets41.737.241.541.239.237.742.940.441.341.641.943.945.645.045.946.548.148.244.443.262.354.959.658.050.954.954.751.6
Percentage of Assets mos:PhosphatesSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mos:PotashSegment



Period End2020-03-312019-12-312019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-05-312012-05-312011-05-31
Value67267219756974397763794876698086830182377981769977778086893388988363824684738012829699389953964195979759113249663
Percentage of Assets35.437.436.736.438.638.937.639.544.646.345.845.046.246.850.550.548.048.247.745.445.453.954.453.249.154.067.961.2
Percentage of Assets35.437.436.736.438.638.937.639.544.646.345.845.046.246.850.550.548.048.247.745.445.453.954.453.249.154.067.961.2
Percentage of Assets mos:PotashSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Liabilities And Stockholders Equity

us-gaap:LiabilitiesAndStockholdersEquity



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-05-312013-02-282012-11-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-05-31
Value189751929820440206432044520119204142039820452186331780317444170961684017263176841762717412171171777617631182831845518293181121955417656180861732217440170701669015936158021618015786146991419912707
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Stockholders Equity

us-gaap:StockholdersEquity



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-05-312013-02-282012-11-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-05-31
Value838691851010010473106011039710441101961045596171011497569621958498369957999695319614101361019210703109441124510832113021353213425131241308212562119831181011300122181164110983102418722
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets44.247.649.450.751.951.751.150.051.151.656.855.956.356.957.056.356.754.756.257.057.858.559.361.559.857.876.674.275.875.073.671.874.171.575.573.774.772.168.6

Assets Current

us-gaap:AssetsCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-05-312013-02-282012-11-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-05-31
Value422137184125422841464237417841703841461633753337321630573449379239574144426351005251536456585188535581056291688063426533654065815930635967576684569355244974
Percentage of AssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets22.219.320.220.520.321.120.520.418.824.819.019.118.818.220.021.422.423.824.928.729.829.330.728.429.641.535.638.036.637.538.339.437.240.241.842.338.738.939.1

Cash And Cash Equivalents At Carrying Value

us-gaap:CashAndCashEquivalentsAtCarryingValue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-05-312013-03-312013-02-282012-12-312012-11-302012-09-302012-08-312012-06-302012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-282009-11-302009-05-312008-05-31
Value10695196414013848471029103565921536856606756736531059105712761284220925172374297023672490529333383915369735113322340534203548359436563811320136274038390633523659236225232291264827031960
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets5.62.73.11.91.94.25.05.13.211.63.93.83.94.03.86.06.07.37.512.414.313.016.112.913.827.118.90.020.40.019.20.019.60.021.10.022.820.123.025.024.722.825.80.019.90.00.00.00.0

Receivables Net Current

us-gaap:ReceivablesNetCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312018-01-012017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-05-312013-02-282012-11-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-05-31
Value7238038017117928388346247086606425925485776275123996776756756266617545736045975434781015873797732751656919784926777651599
Percentage of ReceivablesNetCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.84.23.93.43.94.24.13.13.50.03.43.33.13.43.73.02.33.83.93.93.53.84.13.13.33.32.82.75.65.04.64.34.54.15.84.85.95.34.64.7

Inventory Net

us-gaap:InventoryNet



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312018-01-012017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-05-312013-02-282012-11-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-05-31
Value193020762294271325722270195721682059153315471666168315331391150017021566156315491612152317181471157916061432149515571569151814841237132712061402126611338161002
Percentage of InventoryNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets10.210.811.213.112.611.39.610.610.10.08.39.49.79.08.38.79.68.99.09.19.18.69.48.08.68.97.38.58.69.18.78.77.48.37.68.78.07.75.87.9

Inventory Finished Goods

Other Assets Current

us-gaap:OtherAssetsCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-05-312013-02-282012-11-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-05-31
Value498318388401397280356341414273431445429365783631656629578503391368470476504706897534437558491543594417309308298210319
Percentage of OtherAssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.61.71.91.91.91.41.71.72.01.52.42.62.52.24.53.63.73.63.42.82.22.02.62.62.83.65.13.02.53.22.93.33.72.61.92.02.01.52.5

Land

Machinery And Equipment Gross

Noncurrent Assets

Property Plant And Equipment Gross

Accumulated Depreciation Depletion And Amortization Property Plant And Equipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-05-312013-02-282012-11-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-05-31
Value752772927527737271956934679465636423627461546049587957185603546853265038494048934680463344564341413740253673376036733563344332843200315030872975287727592542
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets39.737.836.835.735.234.533.332.231.433.734.634.734.434.032.530.930.228.928.927.526.525.324.123.722.820.620.820.821.220.420.219.720.119.919.118.819.619.420.0

Property Plant And Equipment Net

us-gaap:PropertyPlantAndEquipmentNet



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-05-312013-02-282012-11-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-05-31
Value109891169011943119821194211746118911155911865971196969434929591989230919790208721873490418899931394139694955185768513848682728246794475457379697568906635633059695465
Percentage of PropertyPlantAndEquipmentNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets57.960.658.458.058.458.458.356.758.052.154.554.154.454.653.552.051.250.151.050.950.550.951.053.052.743.948.246.947.847.346.545.246.344.142.642.043.142.043.0

Goodwill

us-gaap:Goodwill



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-05-312013-02-282012-11-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-05-31
Value107711561731174517261707175317381760169317031661163916301651166716611595162517091686180617411792176417941833184418521889188918441874183018951829182817941763
Percentage of Goodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets5.76.08.58.58.48.58.68.58.69.19.69.59.69.79.69.49.49.29.59.69.69.99.49.89.79.210.410.210.710.811.111.111.811.611.711.612.412.613.9

us-gaap:StatementBusinessSegments

mos:CorporateEliminationsAndOtherSegment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value1212121212121212120
Percentage of Goodwill1.11.00.70.70.70.70.70.70.70.0
Percentage of Assets0.10.10.10.10.10.10.10.10.10.0
Percentage of Assets mos:CorporateEliminationsAndOtherSegment1.11.30.06.92.42.32.0-3.4-5.40.0

mos:MosaicFertilizantes



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value97105104106106106105106112124124
Percentage of Goodwill9.19.16.06.16.26.26.06.16.47.37.7
Percentage of Assets0.50.50.50.50.50.50.50.50.50.70.7
Percentage of Assets mos:MosaicFertilizantes3.02.60.02.52.62.72.52.52.69.010.0

mos:PotashSegment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-05-312013-02-282012-11-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312010-05-31
Value96710391027103710191000105110351052107610841044102010131034104910479841015109010691158120012521215125812971298130613421342129713391295136112951226
Percentage of Goodwill89.889.959.359.559.158.660.059.659.863.663.762.962.362.162.662.963.061.762.563.863.464.168.969.868.970.170.870.470.571.171.170.471.570.871.870.869.5
Percentage of Assets5.15.45.05.05.05.05.15.15.15.86.16.06.06.06.05.95.95.75.96.16.16.36.56.86.76.47.37.27.57.77.97.88.48.28.48.29.6
Percentage of Assets mos:PotashSegment14.414.40.013.713.712.913.213.513.013.013.213.113.313.012.811.711.811.812.312.913.314.012.112.612.613.10.013.30.00.00.011.50.00.00.013.40.0

Deferred Tax Assets Liabilities Net

Other Assets Noncurrent

us-gaap:OtherAssetsNoncurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-05-312013-02-282012-11-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-05-31
Value1339145414801485146012571455157616521267112311011072105410781257131712791196572548554614704671348244229222215203214220192198195171180143
Percentage of OtherAssetsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets7.17.57.27.27.16.37.17.78.16.86.36.36.36.36.27.17.57.37.03.23.13.03.33.93.71.81.41.31.31.21.21.31.41.21.21.21.21.31.1

Liabilities Current

us-gaap:LiabilitiesCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-05-312013-02-282012-11-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-05-31
Value326925912724252623972483250225942220203118971872163314761939190218142048187118831620160015491922216332651302176415361647167619171614209817831928153417701303
Percentage of LiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets17.213.413.312.211.712.312.312.710.910.910.710.79.68.811.210.810.311.810.910.69.28.88.410.511.916.77.49.88.99.49.811.510.113.311.012.210.412.510.3

Accounts Payable Current

us-gaap:AccountsPayableCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-05-312013-02-282012-11-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-05-31
Value691680766808781780839774679540547651536471486622517520657858706797762750592570611763740913801912800853903941645532552
Percentage of AccountsPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.63.53.73.93.83.94.13.83.32.93.13.73.12.82.83.52.93.03.84.84.04.44.14.13.32.93.54.24.35.24.75.55.05.45.66.04.43.84.3

Other Accrued Liabilities Current

us-gaap:OtherAccruedLiabilitiesCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-05-312013-02-282012-11-302012-08-312012-05-31
Value383365403347376461452356326344370379334345300227270450459429363333334305354312244290288234253291
Percentage of OtherAccruedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.01.92.01.71.82.32.21.71.61.82.12.22.02.01.71.31.52.62.72.42.11.81.81.72.01.61.41.61.71.31.51.7

Accrued Income Taxes Current

Dividends Payable Current

Liabilities Noncurrent

Long Term Debt

Deferred Tax Liabilities Noncurrent

Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-312013-09-302013-05-312013-02-282012-11-302012-08-312012-05-312012-02-292011-11-302011-05-312010-05-31
Value143173141151147146254257280536061646461656969667071776912514011712813614298102117204
Percentage of PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.80.90.70.70.70.71.21.31.40.30.30.40.40.40.40.40.40.40.40.40.40.40.40.70.80.70.70.80.90.60.70.71.6

Minority Interest

us-gaap:MinorityInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-05-312013-02-282012-11-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-05-31
Value173182210209206207211219224214138383737363433121514171718181818171918171619202020262926
Percentage of MinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.90.91.01.01.01.01.01.11.10.10.20.20.20.20.20.20.20.20.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.20.20.2

Other Liabilities Noncurrent

us-gaap:OtherLiabilitiesNoncurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-05-312013-02-282012-11-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-05-31
Value1644177317201745158514581540148715509679549569679529379459411030986101111281200120510841095927830907828854985975869785841855878869908
Percentage of OtherLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets8.79.28.48.57.87.37.57.37.65.25.45.55.75.75.45.35.35.95.85.76.46.66.55.96.04.74.75.04.84.95.85.85.55.05.25.46.06.17.1

Stockholders Equity

us-gaap:StockholdersEquity



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-05-312013-02-282012-11-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-05-31
Value838691851010010473106011039710441101961045596171011497569621958498369957999695319614101361019210703109441124510832113021353213425131241308212562119831181011300122181164110983102418722
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets44.247.649.450.751.951.751.150.051.151.656.855.956.356.957.056.356.754.756.257.057.858.559.361.559.857.876.674.275.875.073.671.874.171.575.573.774.772.168.6

Common Stock Value

us-gaap:CommonStockValue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-312012-05-312011-05-312011-02-282010-11-302010-05-31
Value33333333333332444
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Retained Earnings Accumulated Deficit

us-gaap:RetainedEarningsAccumulatedDeficit



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312018-01-012017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-05-312013-02-282012-11-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-05-31
Value97189921108801094411196110641097110734106751063310631110791090510861108631104511103112061101411058110651125811168111531106910916111821170711603112241098610464101419687943588348330770371845905
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets51.251.453.253.054.855.053.752.652.20.057.162.262.563.564.564.062.863.663.364.662.263.961.160.460.560.357.266.364.264.863.061.360.860.859.754.652.852.450.646.5

Accumulated Other Comprehensive Income Loss Net Of Tax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-05-312013-02-282012-11-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-05-312009-05-312008-05-31
Value-2184-1598-1665-1477-1595-1657-1517-1523-1201-1061-1008-1187-1270-1312-1231-1168-1225-1492-1448-941-1083-473-212130-120114312326410611617378664408769710702496289258790
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-11.5-8.3-8.1-7.2-7.8-8.2-7.4-7.5-5.9-5.7-5.7-6.8-7.4-7.8-7.1-6.6-7.0-8.6-8.5-5.3-6.1-2.6-1.20.7-0.70.61.81.82.43.53.62.34.22.64.84.54.83.52.30.00.0

us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment



Period End2020-03-312019-12-312019-09-302019-03-312018-12-312017-12-312016-12-31
Value-127-129-105-106-105-94-101
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax5.98.16.36.76.48.97.7
Percentage of Assets-0.7-0.7-0.5-0.5-0.5-0.5-0.6
Percentage of Assets us-gaap:AccumulatedDefinedBenefitPlansAdjustment0.00.00.00.00.00.00.0

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss



Period End2020-03-312019-12-312019-09-302019-03-312018-12-312017-12-312016-12-31
Value14695-5-9-11
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax-0.6-0.4-0.6-0.30.30.90.8
Percentage of Assets0.10.00.00.0-0.0-0.1-0.1
Percentage of Assets us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss0.00.00.00.00.00.00.0

us-gaap:AccumulatedTranslationAdjustment



Period End2020-03-312019-12-312019-09-302019-03-312018-12-312017-12-312016-12-31
Value-2072-1476-1572-1495-1547-955-1196
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax94.992.494.493.793.490.091.2
Percentage of Assets-10.9-7.7-7.7-7.3-7.7-5.1-7.1
Percentage of Assets us-gaap:AccumulatedTranslationAdjustment0.00.00.00.00.00.00.0

us-gaap:AociDerivativeQualifyingAsHedgeExcludedComponentParent



Period End2020-03-312019-12-312019-09-302019-03-312018-12-312017-12-312016-12-31
Value22211-1-3
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax-0.1-0.1-0.2-0.1-0.10.20.3
Percentage of Assets0.00.00.00.00.0-0.0-0.0
Percentage of Assets us-gaap:AociDerivativeQualifyingAsHedgeExcludedComponentParent0.00.00.00.00.00.00.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312013-05-312013-02-282012-11-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-28
Value189277486507-175150523807-714111352421463228543713223391229404517554972365531556532476
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax10.60.00.00.0-9.20.00.00.0-3.719.76.813.89.317.331.716.612.713.543.618.517.218.034.016.519.925.428.627.5

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312013-05-312013-02-282012-11-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-28
Value-269-346-326-358-328-283-243-196-1220-24-220-177-245-266-359-390-396-443-445-404-384-392-358-271740-681-270-204
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-15.00.00.00.0-17.30.00.00.0-63.1-1.2-11.1-10.1-15.6-14.3-13.4-17.4-15.6-17.7-15.8-18.5-12.8-12.7-12.5-12.327.7-31.1-14.6-11.8

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312013-05-312013-02-282012-11-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-28
Value698-65105-14322-45-296-169-213108994-85102-254-96-65-103-131-92-479-460-28-69-452-30-33-38-639
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax38.80.00.00.01.20.00.00.0-11.052.14.8-4.96.5-13.7-3.6-2.9-4.1-5.3-3.3-21.9-15.3-0.9-2.4-20.4-1.1-1.5-2.1-36.9

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312013-05-312013-02-282012-11-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-28
Value189277486507-175150523807-714111352421463228543713223391229404517554972365531556532476
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax10.60.00.00.0-9.20.00.00.0-3.719.76.813.89.317.331.716.612.713.543.618.517.218.034.016.519.925.428.627.5

Net Income Loss

us-gaap:NetIncomeLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-05-312013-03-312013-02-282012-11-302012-09-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-282009-11-30
Value-203-921-44-2331301122476742-4312279701139-102561551603902943602012482171291244294853793446284174295072736235266495421025297396222107
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-11.30.00.00.06.90.00.00.02.2-20.611.55.5-0.10.62.0-0.615.37.27.615.713.815.29.010.211.05.96.516.418.016.415.424.815.817.118.012.520.717.122.724.538.313.621.312.96.3

Profit Loss

us-gaap:ProfitLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-05-312013-03-312013-02-282012-11-302012-09-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-282009-11-30
Value-204-950-40-2301291122496840-42922997-11440-112561551603912943612022482171291254304853793456304194305062716255266455421026298396223109
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-11.30.00.00.06.80.00.00.02.1-20.511.65.5-0.10.82.1-0.715.37.27.615.713.815.29.010.211.05.96.616.418.016.415.424.915.817.218.012.420.817.122.624.538.413.721.312.96.4

Depreciation Depletion And Amortization

us-gaap:DepreciationDepletionAndAmortization



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-05-312013-03-312013-02-282012-11-302012-09-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-282009-11-30
Value217233210220218235214216217172168165158165172189183185180191182192189194174166167167155152147140137139127120120122114105104112101138
Percentage of DepreciationDepletionAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementBusinessSegments

mos:CorporateEliminationsAndOtherSegment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-05-312013-03-312013-02-282012-11-302012-09-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-31
Value55554455555566756666666765444433332221223
Percentage of DepreciationDepletionAndAmortization2.32.22.52.42.22.02.32.32.53.33.33.53.93.94.52.63.53.63.63.33.63.53.43.93.53.02.92.92.82.62.42.42.42.32.22.22.11.52.12.43.4

mos:MosaicFertilizantes



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value2838333231483536374444
Percentage of DepreciationDepletionAndAmortization12.916.615.914.514.420.716.717.017.12.42.52.52.8

mos:PhosphatesSegment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-05-312013-03-312013-02-282012-11-302012-09-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-31
Value11411210810510310110010299888683797884101981009698949993948175747471717270696866646465625861
Percentage of DepreciationDepletionAndAmortization52.548.351.747.647.543.147.047.145.751.651.150.250.347.248.853.653.654.453.151.551.551.449.448.846.745.544.244.546.346.749.149.950.449.052.253.353.753.654.955.358.4

mos:PotashSegment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-05-312013-03-312013-02-282012-11-302012-09-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-31
Value7076637878807272757372726877767975747581798689928685888878777167646858535355494440
Percentage of DepreciationDepletionAndAmortization32.232.929.935.535.934.233.933.634.842.743.143.843.146.544.441.841.040.341.542.843.445.147.247.349.851.552.952.750.950.748.647.747.248.745.644.544.244.843.042.338.2

Increase Decrease In Inventories

us-gaap:IncreaseDecreaseInInventories



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-03-312013-09-302013-05-312013-03-312013-02-282012-11-302012-09-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-28
Value24-227-314109304299-171222147-98-51172133-104-19570-34107377-108168-74272-19-166226213246-72123-193135115314-2274280-15
Percentage of IncreaseDecreaseInInventories100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312013-05-312013-02-282012-11-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-28
Value-269-346-326-358-328-283-243-196-1220-24-220-177-245-266-359-390-396-443-445-404-384-392-358-271740-681-270-204
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-15.00.00.00.0-17.30.00.00.0-63.1-1.2-11.1-10.1-15.6-14.3-13.4-17.4-15.6-17.7-15.8-18.5-12.8-12.7-12.5-12.327.7-31.1-14.6-11.8

Payments To Acquire Property Plant And Equipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-05-312013-03-312013-02-282012-11-302012-09-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-282009-11-30
Value263341322294313289241201223230197168223209196201235298245227229251188214274332374347367397393384449449411387391365311291294275208190
Percentage of PaymentsToAcquirePropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementBusinessSegments

mos:CorporateEliminationsAndOtherSegment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-05-312013-03-312013-02-282012-11-302012-09-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-31
Value2-12110001241663667552245713172332435721181717915212223
Percentage of PaymentsToAcquirePropertyPlantAndEquipment0.8-0.30.70.60.4-0.10.10.30.60.92.40.72.93.11.83.22.52.32.02.31.01.02.22.42.74.04.76.88.810.914.55.54.23.94.32.53.95.97.10.91.1

mos:MosaicFertilizantes



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value25464340516139281715348
Percentage of PaymentsToAcquirePropertyPlantAndEquipment9.613.613.413.816.521.316.614.38.06.81.92.93.8

mos:PhosphatesSegment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-05-312013-03-312013-02-282012-11-302012-09-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-31
Value137179123122120981039110010986101103888990111152117117128108921151231191401211009679991301281008197108765764
Percentage of PaymentsToAcquirePropertyPlantAndEquipment52.352.538.341.438.434.242.945.544.947.743.960.046.242.445.544.847.451.247.951.756.142.949.253.744.936.137.534.827.324.320.225.929.128.524.421.124.929.624.619.721.9

mos:PotashSegment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-05-312013-03-312013-02-282012-11-302012-09-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-31
Value98116153130140129978010310210261105107989811212911888941419193143199216203234257257263299303293295278236212231227
Percentage of PaymentsToAcquirePropertyPlantAndEquipment37.334.247.544.144.744.740.539.846.544.551.836.447.151.150.248.847.843.648.438.741.356.148.743.852.359.957.858.463.964.865.368.666.767.671.376.471.264.568.379.477.1

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312013-05-312013-02-282012-11-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-28
Value698-65105-14322-45-296-169-213108994-85102-254-96-65-103-131-92-479-460-28-69-452-30-33-38-639
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax38.80.00.00.01.20.00.00.0-11.052.14.8-4.96.5-13.7-3.6-2.9-4.1-5.3-3.3-21.9-15.3-0.9-2.4-20.4-1.1-1.5-2.1-36.9

Proceeds From Issuance Of Long Term Debt

Repayments Of Long Term Debt

us-gaap:RepaymentsOfLongTermDebt



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-03-312013-09-302013-05-312013-03-312013-02-282012-11-302012-09-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-28
Value141511111080408107206962117264101156100000000000051228134593353
Percentage of RepaymentsOfLongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Payments For Repurchase Of Common Stock

Repayments Of Long Term Debt

us-gaap:RepaymentsOfLongTermDebt



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-03-312013-09-302013-05-312013-03-312013-02-282012-11-302012-09-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-28
Value141511111080408107206962117264101156100000000000051228134593353
Percentage of RepaymentsOfLongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Debt Instrument Interest Rate Stated Percentage

Effective Income Tax Rate Continuing Operations

Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number

Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price

Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period

Share Based Compensation

us-gaap:ShareBasedCompensation



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-03-312013-09-302013-05-312013-03-312013-02-282012-11-302012-09-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-28
Value-10226151371533515445165229455341423241717333132231333
Percentage of ShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Liabilities

Deferred Tax Assets Net

Unrecognized Tax Benefits

us-gaap:UnrecognizedTaxBenefits



Period End2020-03-312019-12-312019-09-302019-06-302018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312013-05-312012-05-312011-05-312010-05-312009-05-31
Value323939403839279810099316476263228200
Percentage of UnrecognizedTaxBenefits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Assets Valuation Allowance

Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions

Operating Lease Right Of Use Asset

us-gaap:OperatingLeaseRightOfUseAsset



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312019-01-012018-12-31
Value1791922122402442410
Percentage of OperatingLeaseRightOfUseAsset100.0100.0100.0100.0100.0100.00.0

Cash And Cash Equivalents Period Increase Decrease

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-312014-12-31
Value1081532658418402871105010787032194726699717711919192621372374
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mos:CanadianResourceTaxes



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value31135856465840332618-433233014381855595478
Percentage of CanadianResourceTaxes100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementBusinessSegments

mos:PotashSegment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value31135856465840332618-433233014381855595478
Percentage of CanadianResourceTaxes100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mos:GrossProfitExcludingCanadianResourceTaxes



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value7393338283356525536328268298236225152236227192255411394662497
Percentage of GrossProfitExcludingCanadianResourceTaxes100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementBusinessSegments

mos:CorporateEliminationsAndOtherSegment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value-512482216-52-44-16-1111-33-24-21-46242-21-11-65
Percentage of GrossProfitExcludingCanadianResourceTaxes-70.225.92.68.04.7-1.00.5-13.5-6.0-3.75.0-14.7-15.8-1.10.7-2.124.410.2-5.3-1.7-13.1

mos:MosaicFertilizantes



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value66701323552118152535932522518
Percentage of GrossProfitExcludingCanadianResourceTaxes91.075.039.112.414.722.628.416.122.110.922.211.312.0

mos:PhosphatesSegment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value-82-106-19-1154151180153961326676568310110064120198295221
Percentage of GrossProfitExcludingCanadianResourceTaxes-113.4-112.9-5.7-4.215.428.833.646.836.044.528.333.837.035.444.452.325.329.350.444.644.6

mos:PotashSegment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value1401052162372322602011651281329314292955491116210156349320
Percentage of GrossProfitExcludingCanadianResourceTaxes192.6112.064.083.765.249.637.650.548.044.339.863.460.640.623.947.445.751.239.652.864.3

us-gaap:ProductOrService, us-gaap:StatementBusinessSegments

mos:IntersegmentSales

us-gaap:Product, mos:CorporateEliminationsAndOtherSegment



Period End2020-03-312019-03-31
Value-85-214
Percentage of IntersegmentSales100.0100.0

us-gaap:Product, mos:PhosphatesSegment



Period End2020-03-312019-03-31
Value82207
Percentage of IntersegmentSales-96.5-97.1

us-gaap:Product, mos:PotashSegment



Period End2020-03-312019-03-31
Value36
Percentage of IntersegmentSales-3.5-2.9

us-gaap:RelatedPartyTransactionsByRelatedParty

mos:PercentageOfTotalProductionExpectedToMarket

us-gaap:EquityMethodInvestee



Period End2020-03-31
Value0.25
Percentage of PercentageOfTotalProductionExpectedToMarket100.0

us-gaap:StatementEquityComponents

mos:MaadenWaadAlShamalPhosphateCompany



Period End2020-03-312019-12-312019-09-302018-12-31
Value0.250.00.00.0
Percentage of PercentageOfTotalProductionExpectedToMarket100.00.00.00.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition



Period End2020-03-312019-03-312017-12-31
Value-2-5-1
Percentage of AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital



Period End2020-03-312019-03-312017-12-31
Value-2-5-1
Percentage of AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition100.0100.0100.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-03-312013-12-312013-05-312013-02-282012-11-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-28
Value-822615224152351510-1415-1491555344224173331322
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-03-312013-12-312013-05-312013-02-282012-11-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-28
Value-822615224152351510-1415-1491555344224173331322
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312013-02-282012-11-302012-09-302012-08-312012-02-292011-11-302011-08-312011-02-282010-11-302010-08-312010-02-282009-11-30
Value2221222333243111111100000100000000
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetRetirementObligationAccretionExpense



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-03-312013-09-302013-05-312013-03-312013-02-282012-11-302012-09-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-28
Value17181513151012121266661010109887712810979987811777797768
Percentage of AssetRetirementObligationAccretionExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetRetirementObligationForeignCurrencyTranslationGainLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-53-715-4-104299
Percentage of AssetRetirementObligationForeignCurrencyTranslationGainLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetRetirementObligationLiabilitiesIncurred



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value343446776
Percentage of AssetRetirementObligationLiabilitiesIncurred100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetRetirementObligationLiabilitiesSettled



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value222932292223171611
Percentage of AssetRetirementObligationLiabilitiesSettled100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetRetirementObligationRevisionOfEstimate



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value113451301571712
Percentage of AssetRetirementObligationRevisionOfEstimate100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancialInstrument

us-gaap:AvailableForSaleSecuritiesGrossRealizedGains

us-gaap:DebtSecurities



Period End2020-03-312019-09-302019-03-312018-03-312017-09-302017-06-30
Value5123012
Percentage of AvailableForSaleSecuritiesGrossRealizedGains100.0100.0100.00.0100.0100.0

us-gaap:FinancialInstrument

us-gaap:AvailableForSaleSecuritiesGrossRealizedLosses

us-gaap:DebtSecurities



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-30
Value00006140
Percentage of AvailableForSaleSecuritiesGrossRealizedLosses100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value549-12624015-468-179-27375-1491146827-185-208-1006
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CommonStockDividendsPerShareCashPaid



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-03-312013-05-312013-02-282012-11-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-28
Value0.10.10.050.00.10.050.0250.00.025-0.224999999999999980.42499999999999993-0.125000000000000030.2750.550.2750.27499999999999990.2750.2750.250.250.250.250.250.250.250.250.125000000000000030.049999999999999990.050.050.050000000000000020.04999999999999999
Percentage of CommonStockDividendsPerShareCashPaid100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DividendsCommonStockCash



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value0381919019990175352119396
Percentage of DividendsCommonStockCash100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value0381918019990175352119396
Percentage of DividendsCommonStockCash100.0100.0100.092.8100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EffectOfExchangeRateOnCashAndCashEquivalents



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-03-312013-09-302013-05-312013-03-312013-02-282012-11-302012-09-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-28
Value-688-2410130-11-6513-81813-10-81769-31-15930-102-72-50-2423-23-10-1332620-8254-83-195055-1810
Percentage of EffectOfExchangeRateOnCashAndCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ForeignCurrencyTransactionGainLossBeforeTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-05-312013-03-312013-02-282012-11-302012-09-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-282009-11-30
Value-21430-532022-78-2-78-32-265898-30-321487-41-48-16454727-384325-2922-21632-17-27-2811-4455-54-31-3020-22-22
Percentage of ForeignCurrencyTransactionGainLossBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GoodwillForeignCurrencyTranslationGainLoss



Period End2020-03-31
Value79
Percentage of GoodwillForeignCurrencyTranslationGainLoss100.0

us-gaap:StatementBusinessSegments

mos:CorporateEliminationsAndOtherSegment



Period End2020-03-31
Value0.0
Percentage of GoodwillForeignCurrencyTranslationGainLoss0.0

mos:MosaicFertilizantes



Period End2020-03-31
Value7
Percentage of GoodwillForeignCurrencyTranslationGainLoss9.1

mos:PotashSegment



Period End2020-03-31
Value72
Percentage of GoodwillForeignCurrencyTranslationGainLoss90.9

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-05-312013-03-312013-02-282012-11-302012-09-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-282009-11-30
Value-317-121452-27017614534270-6592376881112-72251411724623263812843332182561165516255114545476205866893548557298367221307404528357171
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncomeLossFromEquityMethodInvestments



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-05-312013-03-312013-02-282012-11-302012-09-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-282009-11-30
Value-20-25-23-1100-21-31950-2-1-1320-10-17-4-2-34256204-1276401-5-4136-8-11
Percentage of IncomeLossFromEquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-03-312013-09-302013-05-312013-03-312013-02-282012-11-302012-09-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-28
Value-20-25-24-11-3-1-91-3-49950-2-2-19-7-1-2-22-16-4-3-7-27404-31-96-100-5-4-235-8
Percentage of IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncomeTaxReconciliationOtherReconcilingItems



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value2819740301348101216-86-14-6312-2-9-28
Percentage of IncomeTaxReconciliationOtherReconcilingItems100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncomeTaxReconciliationPriorYearIncomeTaxes



Period End2020-03-312017-09-30
Value25-2
Percentage of IncomeTaxReconciliationPriorYearIncomeTaxes100.0100.0

us-gaap:IncomeTaxAuthority

mos:UnitedStatesTaxCutsandJobsActLaw



Period End2020-03-31
Value600000.0
Percentage of IncomeTaxReconciliationPriorYearIncomeTaxes2.4

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value332-18491154-186-124-50592-74-27-25718038-81-173148-137-10612883157
Percentage of IncreaseDecreaseInAccountsPayableAndAccruedLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInDeferredIncomeTaxes



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-03-312013-09-302013-05-312013-03-312013-02-282012-11-302012-09-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-28
Value107258-2634-589-833263-558-1925-5954581653-10255-3231565580-224-40550-30-16447-76-52-138-52-3630-15-1
Percentage of IncreaseDecreaseInDeferredIncomeTaxes100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherOperatingAssets



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-03-312013-09-302013-05-312013-03-312013-02-282012-11-302012-09-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-28
Value107-27-3066-16225-86137-19-28367-205-23-3922798211436-241-50-1511679626-10685-29-72-52191101-11537-15-61-91-176
Percentage of IncreaseDecreaseInOtherOperatingAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherOperatingLiabilities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-03-312013-09-302013-05-312013-03-312013-02-282012-11-302012-09-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-28
Value-219-1-6-22-118158103-71225119012-1421-17-121-17-29-83-1-55-37-1232626374-55-15-5-6-470-22-32
Percentage of IncreaseDecreaseInOtherOperatingLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInReceivables



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-03-312013-09-302013-05-312013-03-312013-02-282012-11-302012-09-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-28
Value-14-1134-108-59-37163-69-628458-5-45118134-239-171104-37-8162-684-13115573777581-11120-253144-13011313787-412132
Percentage of IncreaseDecreaseInReceivables100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-05-312013-03-312013-02-282012-11-302012-09-302012-08-312012-05-312012-02-292011-11-302011-08-31
Value000010211-1110010101210121110111110111
Percentage of IncrementalCommonSharesAttributableToShareBasedPaymentArrangements0.00.00.00.0100.00.0100.0100.0100.0100.0100.0100.00.00.0100.00.0100.00.0100.0100.0100.00.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.00.0100.0100.0100.0

us-gaap:InterestCostsCapitalized



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-03-312013-09-302013-05-312013-03-312013-02-282012-11-302012-09-302012-08-312012-05-312012-02-292011-11-302011-08-31
Value77140656554100810999108107689121313131312139131814
Percentage of InterestCostsCapitalized100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestIncomeExpenseNet



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312013-02-282012-11-302012-09-302012-08-312012-02-292011-11-302011-08-312011-02-282010-11-302010-08-31
Value-41-46-43-46-47-30-40-45-49-39-36-36-25-27-25-33-26-24-23-31-25-24-2610334554450-5-7
Percentage of InterestIncomeExpenseNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestPaidNet



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-03-312013-09-302013-05-312013-03-312013-02-282012-11-302012-09-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-28
Value15861392107687711562366857359358458462100000-303912-1313-1334-1132-633
Percentage of InterestPaidNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.00.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-03-312013-12-312013-05-312013-02-282012-11-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-28
Value00000000000000000000000001000000004
Percentage of MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-03-312013-12-312013-05-312013-02-282012-11-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-28
Value00000000000000000000000001000000004
Percentage of MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax

us-gaap:AccumulatedDefinedBenefitPlansAdjustment



Period End2020-03-312018-03-31
Value1-1
Percentage of OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax100.0100.0

us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax

us-gaap:AccumulatedTranslationAdjustment



Period End2020-03-312018-03-31
Value-60351
Percentage of OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax100.0100.0

us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss



Period End2020-03-312018-03-31
Value0.0500000.0
Percentage of OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax0.0100.0

us-gaap:OtherComprehensiveIncomeLossBeforeTax



Period End2020-03-312018-03-31
Value-57774
Percentage of OtherComprehensiveIncomeLossBeforeTax100.0100.0

us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax

us-gaap:AociDerivativeQualifyingAsHedgeExcludedComponentParent



Period End2020-03-312018-03-31
Value500000.0600000.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax100.0100.0

us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTax

us-gaap:AociDerivativeQualifyingAsHedgeExcludedComponentParent



Period End2020-03-312018-03-31
Value500000.0600000.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTax100.0100.0

us-gaap:OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-31
Value0000000000000000700
Percentage of OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax

us-gaap:AccumulatedTranslationAdjustment



Period End2020-03-312018-03-31
Value-59561
Percentage of OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax100.0100.0

us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax

us-gaap:AccumulatedTranslationAdjustment



Period End2020-03-312018-03-31
Value79
Percentage of OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax100.0100.0

us-gaap:OtherComprehensiveIncomeLossNetOfTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-05-312013-03-312013-02-282012-11-302012-09-302012-05-312012-02-292011-11-30
Value-59368-19011861-1386-327-140-531798143-80-6358268-44-510142-612-262-345251-234142-272-83-148-201-7214-286257-366
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest



Period End2020-03-312019-12-312018-03-31
Value-7-10
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:AccumulatedTranslationAdjustment



Period End2020-03-312019-12-312018-03-31
Value-7-10
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-05-312013-03-312013-02-282012-11-302012-09-302012-05-312012-02-292011-11-30
Value-124-21118-3-1-2-1-1-1-28-1-1-121-1-342-10-3-2164-3-3-3-336-2-2
Percentage of OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax

us-gaap:AccumulatedDefinedBenefitPlansAdjustment



Period End2020-03-312018-03-31
Value92
Percentage of OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax100.0100.0

us-gaap:OtherComprehensiveIncomeLossTax



Period End2020-03-312018-03-31
Value1513
Percentage of OtherComprehensiveIncomeLossTax100.0100.0

us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment



Period End2020-03-312018-03-31
Value73
Percentage of OtherComprehensiveIncomeLossTax51.326.5

us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss



Period End2020-03-312018-03-31
Value810
Percentage of OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax100.0100.0

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value8-4-6111081-1-3-2012-700000
Percentage of OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

us-gaap:StatementEquityComponents

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss



Period End2020-03-312018-03-31
Value810
Percentage of OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax100.0-256.4

us-gaap:OtherNoncashIncomeExpense



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-03-312013-09-302013-05-312013-03-312013-02-282012-11-302012-09-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-31
Value-10-164-52-141-8-203-9-1750-6-26-5-11-4-42-438-1-1141-1416-9209-951
Percentage of OtherNoncashIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherOperatingIncomeExpenseNet



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-31
Value-39-62-77-21-13339-23-19-678139-26-18315-76-6816-12-80
Percentage of OtherOperatingIncomeExpenseNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsForProceedsFromOtherInvestingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-03-312013-09-302013-05-312013-03-312013-02-282012-11-302012-09-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-28
Value00-10004-731818-13-5-16-63001-6-1800-10-4-3-1-100-5000-1-310-4
Percentage of PaymentsForProceedsFromOtherInvestingActivities100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsOfDividendsCommonStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-03-312013-09-302013-05-312013-03-312013-02-282012-11-302012-09-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-28
Value181919199999985252969696969696989891939399106106106106106106106532122222222222222600
Percentage of PaymentsOfDividendsCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToAcquireAvailableForSaleSecuritiesDebt



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value21073250471864822871185130280530736925734000
Percentage of PaymentsToAcquireAvailableForSaleSecuritiesDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:PaymentsToAcquireHeldToMaturitySecurities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0010130000
Percentage of PaymentsToAcquireHeldToMaturitySecurities100.0100.0100.00.0100.00.00.00.00.0

us-gaap:ProceedsFromBankDebt



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value1712594192352092432591571731932261401079213511095305181757396
Percentage of ProceedsFromBankDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromOtherShortTermDebt



Period End2020-03-312019-03-31
Value1105206
Percentage of ProceedsFromOtherShortTermDebt100.0100.0

us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesDebt



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value20365246391824822165184124277521734890138000
Percentage of ProceedsFromSaleOfAvailableForSaleSecuritiesDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:ProceedsFromSaleOfHeldToMaturitySecurities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value000020000
Percentage of ProceedsFromSaleOfHeldToMaturitySecurities100.00.00.00.0100.00.00.00.00.0

us-gaap:RelatedPartyCosts



Period End2020-03-312019-03-31
Value177251
Percentage of RelatedPartyCosts100.0100.0

us-gaap:RepaymentsOfBankDebt



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value412214164278319179144202235179831203518810927022484699514656
Percentage of RepaymentsOfBankDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RepaymentsOfOtherShortTermDebt



Period End2020-03-312019-03-31
Value13253
Percentage of RepaymentsOfOtherShortTermDebt100.0100.0

us-gaap:RevenueFromRelatedParties



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-31
Value148144273289262263248216114172211182149155179141147216227358263255178307205191464337
Percentage of RevenueFromRelatedParties100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:EquityMethodInvestee



Period End2020-03-312019-03-31
Value22
Percentage of RevenueFromRelatedParties1.61.0

us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodSharesRestrictedStockAwardGross

us-gaap:CommonStock



Period End2020-03-312019-03-31
Value200000.0300000.0
Percentage of StockIssuedDuringPeriodSharesRestrictedStockAwardGross100.0100.0

us-gaap:UnrealizedGainLossOnDerivatives



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-03-312013-09-302013-05-312013-03-312013-02-282012-11-302012-09-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-28
Value-51310-146-4412-12-14-1425-1-11-93754-6-1231-45-40-24-74017-28-46-115241-138-24-17-21722-151619
Percentage of UnrealizedGainLossOnDerivatives100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mos:ContractualObligationForEquityMethodInvestment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-31
Value23367122965001201201200
Percentage of ContractualObligationForEquityMethodInvestment100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.00.0

us-gaap:FairValueByMeasurementBasis

us-gaap:AccountsPayableFairValueDisclosure

us-gaap:CarryingReportedAmountFairValueDisclosure



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-31
Value691680766808781780839774679540547651536471486622517520657858706797762750570
Percentage of AccountsPayableFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EstimateOfFairValueFairValueDisclosure



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-31
Value691680766808781780839774679540547651536471486622517520657858706797762750570
Percentage of AccountsPayableFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccrualForEnvironmentalLossContingencies



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-05-312013-02-282012-11-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-05-31
Value333943525458638099353950567978232425232632323236373123242526282730333941262326
Percentage of AccrualForEnvironmentalLossContingencies100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccruedLiabilitiesCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312018-01-012017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-05-312013-02-282012-11-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-05-31
Value1020108111351151940109210721154791755754786889729837802988858971896940853726712832753666588845670645795899657635723843660663605
Percentage of AccruedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AdditionalPaidInCapitalCommonStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-05-312013-02-282012-11-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-05-31
Value847858881100299698598398197744393427291919126091340423211507149114851480147614591455145226102596257225562523
Percentage of AdditionalPaidInCapitalCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetRetirementObligation



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312013-05-312012-05-312011-05-312010-05-312009-05-31
Value126013151301128311601160111110891114859849841859723658600573525530
Percentage of AssetRetirementObligation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LitigationCase, us-gaap:LossContingenciesByNatureOfContingency

mos:A2015ConsentDecreesWithEPA, us-gaap:UnfavorableRegulatoryAction



Period End2020-03-312019-12-312018-12-312017-12-312016-12-31
Value60429457420414
Percentage of AssetRetirementObligation4.832.639.448.948.7

us-gaap:AssetRetirementObligationCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-05-312013-02-282012-11-302012-08-312012-05-312012-02-292011-11-302011-05-312010-05-31
Value14715416413814013612611711698103999810212110710391104105115871021051138695838681948779929083
Percentage of AssetRetirementObligationCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetRetirementObligationsNoncurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-05-312013-02-282012-11-302012-08-312012-05-312012-02-292011-11-302011-05-312010-05-31
Value111311601136114510201023984971998761747748751747730727735749715728729771757759794637564575530517506513483473482442
Percentage of AssetRetirementObligationsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherCommitments

mos:PlantCityandBonnieFacilities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value208211215233110109999898979594949392
Percentage of AssetRetirementObligationsNoncurrent18.718.219.020.410.810.710.110.29.812.812.712.712.612.512.7

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value2213141994001011100
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FinancialInstrument

us-gaap:FairValueInputsLevel2, us-gaap:CorporateDebtSecurities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value456520000
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax20.443.344.125.623.47.350.020.044.4

us-gaap:FairValueInputsLevel2, us-gaap:MunicipalBonds



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value344310000
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax16.732.829.717.120.212.250.040.055.6

us-gaap:FairValueInputsLevel2, us-gaap:USTreasuryAndGovernment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value13331153000
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax62.923.926.257.356.480.50.040.00.0

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value3320271215149668110
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FinancialInstrument

us-gaap:FairValueInputsLevel2, us-gaap:CorporateDebtSecurities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value200014452
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax67.63.310.050.052.055.838.735.423.7

us-gaap:FairValueInputsLevel2, us-gaap:MunicipalBonds



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value100013442
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax32.413.320.050.048.044.238.725.929.0

us-gaap:FairValueInputsLevel2, us-gaap:USTreasuryAndGovernment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value021000264
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax0.083.370.00.00.00.022.638.647.3

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value675666661643640633631632631633629628619619627
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FinancialInstrument

us-gaap:FairValueInputsLevel1, us-gaap:CashAndCashEquivalents



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value235274011
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis0.30.50.90.41.10.60.00.20.2

us-gaap:FairValueInputsLevel2, us-gaap:CorporateDebtSecurities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value194194183182180180183178186
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis28.829.127.828.328.128.629.028.229.4

us-gaap:FairValueInputsLevel2, us-gaap:MunicipalBonds



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value190188187189183186187186184
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis28.228.328.329.428.729.429.829.429.1

us-gaap:FairValueInputsLevel2, us-gaap:USTreasuryAndGovernment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value288280284269269262259267261
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis42.742.143.041.942.141.441.242.241.3

us-gaap:AvailableForSaleSecurities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value6936766736626476296196176176256246226126086270
Percentage of AvailableForSaleSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FinancialInstrument

us-gaap:FairValueInputsLevel1, us-gaap:CashAndCashEquivalents



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value235274011
Percentage of AvailableForSaleSecurities0.30.50.90.41.10.60.00.20.2

us-gaap:FairValueInputsLevel2, us-gaap:CorporateDebtSecurities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value196199190186181176178172184
Percentage of AvailableForSaleSecurities28.329.528.228.228.028.128.928.029.5

us-gaap:FairValueInputsLevel2, us-gaap:MunicipalBonds



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value193192191192184183183182182
Percentage of AvailableForSaleSecurities27.828.428.429.028.529.129.629.529.2

us-gaap:FairValueInputsLevel2, us-gaap:USTreasuryAndGovernment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value302281286280275265257261257
Percentage of AvailableForSaleSecurities43.641.642.642.442.542.241.542.341.2

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-31
Value000027766430
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:FinancialInstrument

us-gaap:CorporateDebtSecurities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value000013331
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss0.025.040.050.052.052.144.650.046.3

us-gaap:MunicipalBonds



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value000013432
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss100.075.060.050.048.047.955.450.053.7

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue



Period End2020-03-312019-12-31
Value134260
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue100.0100.0

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value3210005985268110
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancialInstrument

us-gaap:CorporateDebtSecurities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value200000120
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss73.50.00.00.00.0100.030.025.55.8

us-gaap:MunicipalBonds



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value900000.0100000.0100000.00.00.00.0700000.0900000.0500000.0
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss26.53.86.70.00.00.014.09.69.6

us-gaap:USTreasuryAndGovernment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value021000264
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss0.096.293.30.00.00.056.064.984.6

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value1262252352356412302307363331536297528400
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancialInstrument

us-gaap:CorporateDebtSecurities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value6817111143897944
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue54.08.05.054.554.378.121.626.412.2

us-gaap:MunicipalBonds



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value5711241112666964
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue45.95.210.245.545.721.916.223.117.7

us-gaap:USTreasuryAndGovernment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value0195199000257152255
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue0.186.884.80.00.00.062.350.570.1

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-31
Value835521141672201821601661831930
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:FinancialInstrument

us-gaap:CorporateDebtSecurities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value3203059861038082100
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue34.158.557.552.151.646.843.951.554.7

us-gaap:MunicipalBonds



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value5142254811171027783
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue65.941.542.547.948.453.256.148.545.3

us-gaap:FairValueByMeasurementBasis

us-gaap:CashAndCashEquivalentsFairValueDisclosure

us-gaap:CarryingReportedAmountFairValueDisclosure



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-31
Value10695196414013848471029103565921536856606756736531059105712761284220925172374297023675293
Percentage of CashAndCashEquivalentsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EstimateOfFairValueFairValueDisclosure



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-31
Value10695196414013848471029103565921536856606756736531059105712761284220925172374297023675293
Percentage of CashAndCashEquivalentsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CustomerFunds



Period End2020-03-312019-12-31
Value295266
Percentage of CustomerFunds100.0100.0

us-gaap:FairValueByMeasurementBasis

us-gaap:DebtInstrumentFairValue

us-gaap:CarryingReportedAmountFairValueDisclosure



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-31
Value502740692429466572504384426386370223202128223195354481257237
Percentage of DebtInstrumentFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EstimateOfFairValueFairValueDisclosure



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-31
Value502740692429466572504384426386370223202128223195354481257237
Percentage of DebtInstrumentFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleRestricted



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value709691685677656632623622628
Percentage of DebtSecuritiesAvailableForSaleRestricted100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPosition



Period End2020-03-312019-12-31
Value33
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPosition100.0100.0

us-gaap:DeferredIncomeTaxAssetsNet



Period End2020-03-312019-12-31
Value606515
Percentage of DeferredIncomeTaxAssetsNet100.0100.0

us-gaap:DeferredIncomeTaxLiabilitiesNet



Period End2020-03-312019-12-31
Value9771040
Percentage of DeferredIncomeTaxLiabilitiesNet100.0100.0

us-gaap:DerivativeFairValueOfDerivativeAsset



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-05-312013-02-282012-11-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-31
Value8829382514133433815302213161735286152791122871317826423028181324
Percentage of DerivativeFairValueOfDerivativeAsset100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByMeasurementFrequency

us-gaap:CommodityContract, us-gaap:FairValueMeasurementsRecurring



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302013-12-31
Value422010000010261201000446
Percentage of DerivativeFairValueOfDerivativeAsset5.49.75.53.29.62.21.42.17.40.64.53.520.538.96.26.51.714.73.33.61.448.940.975.9

us-gaap:ForeignExchangeContract, us-gaap:FairValueMeasurementsRecurring



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302013-12-31
Value461519131313302961525177816332851426460
Percentage of DerivativeFairValueOfDerivativeAsset53.152.251.652.289.797.887.188.576.598.783.274.255.351.293.893.598.383.896.771.497.151.156.47.6

us-gaap:InterestRateSwap, us-gaap:FairValueMeasurementsRecurring



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value3611161100000034310
Percentage of DerivativeFairValueOfDerivativeAsset41.538.142.944.60.70.00.00.00.00.612.320.124.29.91.5

us-gaap:DerivativeFairValueOfDerivativeLiability



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-05-312013-02-282012-11-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-31
Value11829373837898087442622171717918477982609554207302023455425276043461811
Percentage of DerivativeFairValueOfDerivativeLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByMeasurementFrequency

us-gaap:CommodityContract, us-gaap:FairValueMeasurementsRecurring



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302013-12-31
Value5671310171313161794212520161511151402
Percentage of DerivativeFairValueOfDerivativeLiability4.221.319.534.229.019.816.215.536.267.041.124.612.47.530.927.843.821.118.219.416.027.20.09.8

us-gaap:ForeignExchangeContract, us-gaap:FairValueMeasurementsRecurring



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302013-12-31
Value113222925246240501162411145112559644980392018
Percentage of DerivativeFairValueOfDerivativeLiability95.878.780.565.865.769.649.458.026.624.311.623.467.684.458.563.952.475.277.780.684.072.699.588.7

us-gaap:InterestRateSwap, us-gaap:FairValueMeasurementsRecurring



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value0000292320152108310
Percentage of DerivativeFairValueOfDerivativeLiability0.00.00.00.05.410.629.523.034.28.647.349.720.08.10.3

us-gaap:DerivativeNetLiabilityPositionAggregateFairValue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-05-312012-05-31
Value691119151437414434151413564525535343724115219124059
Percentage of DerivativeNetLiabilityPositionAggregateFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeInstrumentRisk

us-gaap:DerivativeNonmonetaryNotionalAmount

us-gaap:ForeignExchangeContract



Period End2020-03-312019-12-31
Value3844
Percentage of DerivativeNonmonetaryNotionalAmount100.0100.0

us-gaap:DerivativeInstrumentRisk

us-gaap:DerivativeNotionalAmount

us-gaap:ForeignExchangeContract



Period End2020-03-312019-12-312018-12-31
Value170919232091
Percentage of DerivativeNotionalAmount100.0100.0100.0

us-gaap:DividendsPayableCurrentAndNoncurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value020000111212320101
Percentage of DividendsPayableCurrentAndNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0

us-gaap:EmployeeRelatedLiabilitiesCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-05-312013-02-282012-11-302012-08-312012-05-312012-02-292011-11-302011-05-312010-05-31
Value1271731431301212171931611491591261141081421551351181621711451141721491461061119314612612010011911611311696
Percentage of EmployeeRelatedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:EquityMethodInvestmentOwnershipPercentage

us-gaap:BeneficialOwner



Period End2020-03-31
Value0.5
Percentage of EquityMethodInvestmentOwnershipPercentage100.0

us-gaap:EquityMethodInvestments



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-05-312013-02-282012-11-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-05-31
Value742763787812823826828837836108911381127106310631064104397398087693086284984072057957656243145244144545443843943343443844254
Percentage of EquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncomeTaxesReceivable



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-05-312013-02-282012-11-302012-05-312011-05-312010-05-31
Value3191792362362401492021732191412321962091462562442452491852071512011401441952722892671431742146091
Percentage of IncomeTaxesReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InventoryFinishedGoodsNetOfReserves



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-05-312013-02-282012-11-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-05-31
Value1120121914541813166513431073135713321035112111731030936100311931018991974103990810258669219358919839911055989959764882744997852751496573
Percentage of InventoryFinishedGoodsNetOfReserves100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InventoryNoncurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-31
Value133126126123138134133133135114112114111115117115122118118115
Percentage of InventoryNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InventoryRawMaterialsNetOfReserves



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-05-312013-02-282012-11-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-05-31
Value626886112116147118100933744384442514355686155801143942323427434052686164625758494049
Percentage of InventoryRawMaterialsNetOfReserves100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InventorySuppliesNetOfReserves



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-05-312013-02-282012-11-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-05-31
Value102122117124108114116109110858784797878786968697367737779797368777777787073717170686484
Percentage of InventorySuppliesNetOfReserves100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InventoryWorkInProcessNetOfReserves



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-05-312013-02-282012-11-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-05-31
Value601618592589610625611576446349314311327332366387422435443443466505488536558433415445395399377340306327275284264215295
Percentage of InventoryWorkInProcessNetOfReserves100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LiabilityForUncertainTaxPositionsNoncurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-312013-09-302013-05-312013-02-282012-11-302012-08-312012-05-312011-05-312010-05-31
Value39423436343335343333323236272325879778066899674537461801598481
Percentage of LiabilityForUncertainTaxPositionsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LongTermDebtAndCapitalLeaseObligations



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-05-312013-02-282012-11-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-05-31
Value45254525453345424533449145234736482348783722379937863779345037723774379137383761377537783774301230093008101110091010101010101010101010087377617627881245
Percentage of LongTermDebtAndCapitalLeaseObligations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LongTermDebtAndCapitalLeaseObligationsCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-05-312013-02-282012-11-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-05-31
Value464742424026612612503431344240383724242434257414141000001000151374485046615
Percentage of LongTermDebtAndCapitalLeaseObligationsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueByMeasurementBasis

us-gaap:LongTermDebtFairValue

us-gaap:CarryingReportedAmountFairValueDisclosure



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-31
Value4571457245764585457345174584499750735221385638423827381838233814381638343780381838163819381530133009
Percentage of LongTermDebtFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EstimateOfFairValueFairValueDisclosure



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-31
Value4406492048484856472445544623505452195431399940243961385441104107396838603894398341714101405832843059
Percentage of LongTermDebtFairValue96.4107.6106.0105.9103.3100.8100.8101.1102.9104.0103.7104.7103.5101.0107.5107.7104.0100.7103.0104.3109.3107.4106.4109.0101.7

us-gaap:LitigationCase

us-gaap:LossContingencyAccrualAtCarryingValue

mos:BraziliansubsidiaryPotashMineoccupationalhazard



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value222226668
Percentage of LossContingencyAccrualAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0

mos:Braziliansubsidiaryenvironmentalclaims



Period End2020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value45555445
Percentage of LossContingencyAccrualAtCarryingValue195.2207.7207.1207.483.675.075.471.2

mos:Braziliansubsidiaryindemnificationofminingrightsexplorationcosts



Period End2020-03-312019-09-30
Value09
Percentage of LossContingencyAccrualAtCarryingValue4.8353.8

mos:Braziliansubsidiarylaborclaims



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value556340413740372932
Percentage of LossContingencyAccrualAtCarryingValue2661.92340.71538.51464.31370.4607.5581.2455.4400.0

mos:Braziliansubsidiarylaborovertimeclaims



Period End2020-03-31
Value2
Percentage of LossContingencyAccrualAtCarryingValue104.8

mos:SergipeOverimePayMatter



Period End2020-03-312019-12-31
Value34
Percentage of LossContingencyAccrualAtCarryingValue185.7181.5

mos:TapiraOvertimePayMatter



Period End2020-03-312019-12-31
Value57
Percentage of LossContingencyAccrualAtCarryingValue281.0274.1

us-gaap:LitigationCase

us-gaap:LossContingencyEstimateOfPossibleLoss

mos:Braziliansubsidiaryjudicialandadministrativeproceedings



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value69905853464744370
Percentage of LossContingencyEstimateOfPossibleLoss100.0100.0100.0100.0100.0100.0100.0100.00.0

mos:Braziliansubsidiaryothercivilcontingentliabilitiesandotherclaims



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value9113631220
Percentage of LossContingencyEstimateOfPossibleLoss13.312.75.911.98.03.35.06.20.0

us-gaap:LitigationCase, us-gaap:Range

mos:BrazilianNonIncomeTaxProceedings, srt:Maximum



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value344408460428481414366356
Percentage of LossContingencyEstimateOfPossibleLoss496.4451.0791.7806.01036.6864.3828.1962.2

mos:Braziliansubsidiaryenvironmentalclaims, srt:Maximum



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value115145140169164163152143
Percentage of LossContingencyEstimateOfPossibleLoss165.9161.2241.7319.0353.7340.9345.5386.5

mos:Braziliansubsidiaryindemnificationofminingrightsexplorationcosts, srt:Maximum



Period End2020-03-312019-09-30
Value1316
Percentage of LossContingencyEstimateOfPossibleLoss18.827.7

mos:Braziliansubsidiaryjudicialandadministrativeproceedings, srt:Maximum



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value900110011001100110010801020971
Percentage of LossContingencyEstimateOfPossibleLoss1298.71215.51893.32071.62370.72254.72307.72625.9

mos:Braziliansubsidiarylaborclaims, srt:Maximum



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value607775738781757743698671
Percentage of LossContingencyEstimateOfPossibleLoss876.5856.91271.11471.21631.51552.61579.61814.6

mos:Braziliansubsidiaryothercivilcontingentliabilitiesandotherclaims, srt:Maximum



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value144180173180172172171157
Percentage of LossContingencyEstimateOfPossibleLoss207.8199.8297.8339.5372.6360.5388.5424.6

us-gaap:LitigationCase, us-gaap:Range, us-gaap:LossContingenciesByNatureOfContingency

mos:BrazilianNonIncomeTaxProceedings, srt:Maximum, mos:PISAndCofinsCases



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value233271285301301256232244
Percentage of LossContingencyEstimateOfPossibleLoss336.2299.4490.5566.9648.7534.4524.9659.5

mos:BrazilianNonIncomeTaxProceedings, srt:Maximum, us-gaap:IndemnificationGuarantee



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value166212216215233228203217
Percentage of LossContingencyEstimateOfPossibleLoss239.5234.3371.8404.9502.2476.0459.3586.5

us-gaap:NontradeReceivablesNoncurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value56817584849190961130
Percentage of NontradeReceivablesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:DerivativeInstrumentRisk

us-gaap:NumberOfInterestRateDerivativesHeld

us-gaap:InterestRateSwap



Period End2020-03-312019-12-312018-12-312017-12-312016-12-31
Value9.09.05.05.04.0
Percentage of NumberOfInterestRateDerivativesHeld100.0100.0100.0100.0100.0

us-gaap:OperatingLeaseLiabilityCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value64677279830
Percentage of OperatingLeaseLiabilityCurrent100.0100.0100.0100.0100.00.0

us-gaap:OperatingLeaseLiabilityNoncurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value1161271421621630
Percentage of OperatingLeaseLiabilityNoncurrent100.0100.0100.0100.0100.00.0

us-gaap:OtherAccruedLiabilitiesNoncurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-05-312013-02-282012-11-302012-08-312012-05-31
Value231269265249219255265224237119113113114112122126129132126133261261447325300124133146144162162160
Percentage of OtherAccruedLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherAssetsMiscellaneous



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value2440293230301471481640
Percentage of OtherAssetsMiscellaneous100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:Investee



Period End2020-03-31
Value24
Percentage of OtherAssetsMiscellaneous100.0

us-gaap:OtherAssetsMiscellaneousCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-312013-05-312012-05-31
Value5228424242446660108627611384878612410781897451465570523144
Percentage of OtherAssetsMiscellaneousCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherAssetsMiscellaneousNoncurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-31
Value232316342321295352448541586492349329312296300283343309226224
Percentage of OtherAssetsMiscellaneousNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherInventoryInventoryAtOffSitePremises



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value444743747139382476389877530
Percentage of OtherInventoryInventoryAtOffSitePremises100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:OtherShortTermBorrowings



Period End2020-03-312019-12-31
Value100841
Percentage of OtherShortTermBorrowings100.0100.0

us-gaap:PrepaidExpenseCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-05-312013-02-282012-11-302012-05-312011-05-312010-05-31
Value125110110122114868710886691161271239913514214912370867563107118123115929813215513215799
Percentage of PrepaidExpenseCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueByMeasurementBasis

us-gaap:ReceivablesFairValueDisclosure

us-gaap:CarryingReportedAmountFairValueDisclosure



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-31
Value723803801711792838834624708642592548577627512399677675675626661754573604543
Percentage of ReceivablesFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EstimateOfFairValueFairValueDisclosure



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-31
Value723803801711792838834624708642592548577627512399677675675626661754573604543
Percentage of ReceivablesFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestrictedCashAndCashEquivalentsNoncurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-31
Value4587915123434323331343158857851851851215
Percentage of RestrictedCashAndCashEquivalentsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestrictedCashEquivalentsCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value8789878898777720799
Percentage of RestrictedCashEquivalentsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShortTermBankLoansAndNotesPayable



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-31
Value502740692429466572504384426386370223202128223195354481257237
Percentage of ShortTermBankLoansAndNotesPayable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShortTermDebtType

mos:ReceivablePurchasingAgreementDomain



Period End2020-03-31
Value101
Percentage of ShortTermBankLoansAndNotesPayable20.2

us-gaap:ShortTermDebtType

us-gaap:ShortTermDebtWeightedAverageInterestRate

mos:InventoryFinancingArrangements



Period End2020-03-31
Value0.0211
Percentage of ShortTermDebtWeightedAverageInterestRate100.0

mos:ReceivablePurchasingAgreementDomain



Period End2020-03-31
Value0.0147
Percentage of ShortTermDebtWeightedAverageInterestRate69.7

us-gaap:FairValueByMeasurementBasis

us-gaap:ShorttermDebtFairValue

us-gaap:CarryingReportedAmountFairValueDisclosure



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-31
Value100841889416711252071658651240535441251827101301222
Percentage of ShorttermDebtFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EstimateOfFairValueFairValueDisclosure



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-31
Value100841889416711252071658651240535441251827101301222
Percentage of ShorttermDebtFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-05-312013-02-282012-11-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-05-312009-05-312008-05-31
Value855993671031110682108071060410653104151067996391015597949660962298749994100319565962710151102061072010962112641085111320135511344213143131001257911999118301132012238116611100910270874885156754
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-05-312013-02-282012-11-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-05-312009-05-312008-05-31
Value-2184-1598-1665-1477-1595-1657-1517-1523-1201-1061-1008-1187-1270-1312-1231-1168-1225-1492-1448-941-1083-473-212130-120114312326410611617378664408769710702496289258790
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-25.5-17.1-16.2-13.8-14.8-15.6-14.2-14.6-11.3-11.0-9.9-12.1-13.1-13.6-12.5-11.7-12.2-15.6-15.0-9.3-10.6-4.4-1.91.2-1.11.02.32.43.14.74.93.25.63.66.36.16.44.83.33.011.7

us-gaap:AdditionalPaidInCapital



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-05-312013-02-282012-11-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-05-312009-05-312008-05-31
Value84785888110029969859839819774439342729191912609134042321150714911485148014761459145514522610259625722556252324832450
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest9.99.28.59.49.29.39.29.49.20.50.40.40.30.30.20.20.10.10.00.10.10.00.00.40.30.011.111.111.311.311.712.212.312.821.322.323.424.928.829.236.3

us-gaap:CommonStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-05-312013-02-282012-11-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-05-312009-05-312008-05-31
Value33333333333333333333333334444444444444444
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.10.10.1

us-gaap:NoncontrollingInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-05-312013-02-282012-11-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-05-312009-05-312008-05-31
Value1731822102092062072112192242141383837373634331215141717181818181719181716192020202629262223
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest2.01.92.02.01.92.02.02.12.10.20.40.40.40.40.40.40.30.30.10.10.10.20.20.20.20.20.10.10.10.10.10.10.20.20.20.20.20.30.30.30.3

us-gaap:RetainedEarnings



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-05-312013-02-282012-11-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-05-312009-05-312008-05-31
Value97189921108801094411196110641097110734106751063111079109051086110863110451110311206110141105811065112581116811153110691091611182117071160311224109861046410141968794358834833077037184590557463485
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest113.5105.9105.5102.5103.6104.3103.0103.1100.0110.3109.1111.3112.4112.9111.9111.1111.7115.2114.9109.0110.3104.2101.798.3100.698.886.486.385.483.983.284.581.983.472.271.470.069.967.567.551.6

us-gaap:UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-05-312013-02-282012-11-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-05-31
Value7766544544346311017161616202423202850535154555250485250514840
Percentage of UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Line plots across dimensions of each concept

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService, us-gaap:StatementBusinessSegments


us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService, us-gaap:TimingOfTransferOfGoodOrService


us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService, us-gaap:StatementGeographical, us-gaap:TimingOfTransferOfGoodOrService


us-gaap:Revenues us-gaap:ProductOrService, us-gaap:StatementBusinessSegments


us-gaap:GrossProfit us-gaap:StatementBusinessSegments


us-gaap:OperatingIncomeLoss us-gaap:StatementBusinessSegments


us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents


us-gaap:Assets us-gaap:StatementBusinessSegments


us-gaap:Goodwill us-gaap:StatementBusinessSegments


us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents


us-gaap:DepreciationDepletionAndAmortization us-gaap:StatementBusinessSegments


us-gaap:PaymentsToAcquirePropertyPlantAndEquipment us-gaap:StatementBusinessSegments