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measured at fair value using significant unobservable inputs (Level 3) which is required for reconciliation purposes of beginning and ending balances.No definition available.false2Fair value,28false 4tmcc_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetAndLiabilityGainLossIncludedInEarningstmcc_falsecreditdurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse00USD$falsefalsefalse2truefalsefalse00USD$falsefalsefalsexbrli:monetaryItemTypemonetaryTotal gains or losses recognized in earnings, arising from assets and liabilities measured at fair value on a recurring basis using unobservable inputs (level 3).No definition available.false2Gains/(losses) included in earnings29false 4us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisGainLossIncludedInOtherComprehensiveIncomeLossus-gaap_truecreditdurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse00USD$falsefalsefalse2truefalsefalse00USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of gain (loss) recognized in other comprehensive income, arising from assets, liabilities and financial instruments classified in shareholders' equity measured at fair value on a recurring basis using unobservable inputs (level 3).Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1a) -URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19207-110258 false2Gains/(losses) included in other comprehensive income30false 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element represents net asset and liability measured at fair value using significant unobservable inputs (Level 3) which is required for reconciliation purposes of beginning and ending balances.No definition available.false2Fair value,40false 4tmcc_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetAndLiabilityGainLossIncludedInEarningstmcc_falsecreditdurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse00USD$falsefalsefalse2truefalsefalse00USD$falsefalsefalsexbrli:monetaryItemTypemonetaryTotal gains or losses recognized in earnings, arising from assets and liabilities measured at fair value on a recurring basis using unobservable inputs (level 3).No definition available.false2Gains/(losses) included in earnings41false 4us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisGainLossIncludedInOtherComprehensiveIncomeLossus-gaap_truecreditdurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse00USD$falsefalsefalse2truefalsefalse00USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of gain (loss) recognized in other comprehensive income, arising from assets, liabilities and financial instruments classified in shareholders' equity measured at fair value on a recurring basis using unobservable inputs (level 3).Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1a) -URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19207-110258 false2Gains/(losses) included in other comprehensive income42false 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available.false2Settlements108false 4tmcc_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetAndLiabilityTransfersIntoLevel3tmcc_falsedebitdurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse00USD$falsefalsefalse2truefalsefalse00USD$falsefalsefalsexbrli:monetaryItemTypemonetaryTransfers into assets and liabilities measured at fair value and categorized within Level 3 of the fair value hierarchy that have taken place during the period.No definition available.false2Transfers into Level 3109false 4tmcc_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetAndLiabilityTransfersOutOfLevel3tmcc_falsecreditdurationfalsefalsefalsefalsefalsefalsefalsetruenegatedLabel1truefalsefalse00USD$falsefalsefalse2truefalsefalse00USD$falsefalsefalsexbrli:monetaryItemTypemonetaryTransfers out of assets and liabilities measured at fair value and categorized within Level 3 of the fair value hierarchy that have taken place during the period.No definition available.false2Transfers out of Level 3110false 4tmcc_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisNetAssetAndLiabilityValuetmcc_falsedebitinstantfalsefalsefalsefalsefalsefalsetruefalseperiodEndLabel1truefalsefalse2300000023USD$falsefalsefalse2truefalsefalse5900000059USD$falsefalsefalsexbrli:monetaryItemTypemonetaryThis element represents net asset and liability measured at fair value using significant unobservable inputs (Level 3) which is required for reconciliation purposes of beginning and ending balances.No definition available.false2Fair value,111false 4us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1us-gaap_truecreditdurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse-19000000-19USD$falsefalsefalse2truefalsefalse-5000000-5USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of gain (loss) recognized in earnings, arising from assets measured at fair value on 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nettmcc_FairValueByAssetAndLiabilityClassAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_EmbeddedDerivativeFinancialInstrumentsMembertmcc_FairValueByAssetAndLiabilityClassAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0Embedded derivative liabilities, net113true 3tmcc_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationLineItemstmcc_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]114false 4tmcc_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisNetAssetAndLiabilityValuetmcc_falsedebitinstantfalsefalsefalsefalsefalsetruefalsefalseperiodStartLabel1truefalsefalse-12000000-12USD$falsefalsefalse2truefalsefalse-24000000-24USD$falsefalsefalsexbrli:monetaryItemTypemonetaryThis element represents net asset and liability measured at fair value using significant unobservable inputs (Level 3) which is required for reconciliation purposes of beginning and ending balances.No definition available.false2Fair value,115false 4tmcc_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetAndLiabilityGainLossIncludedInEarningstmcc_falsecreditdurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse50000005USD$falsefalsefalse2truefalsefalse-3000000-3USD$falsefalsefalsexbrli:monetaryItemTypemonetaryTotal gains or losses recognized in earnings, arising from assets and liabilities measured at fair value on a recurring basis using unobservable inputs (level 3).No definition available.false2Gains/(losses) included in earnings116false 4us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisGainLossIncludedInOtherComprehensiveIncomeLossus-gaap_truecreditdurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse00USD$falsefalsefalse2truefalsefalse00USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of gain (loss) recognized in other comprehensive income, arising from assets, liabilities and financial instruments classified in shareholders' equity measured at fair value on a recurring basis using unobservable inputs (level 3).Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1a) -URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19207-110258 false2Gains/(losses) included in other comprehensive income117false 4tmcc_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetAndLiabilityPurchasestmcc_falsedebitdurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse00USD$falsefalsefalse2truefalsefalse00USD$falsefalsefalsexbrli:monetaryItemTypemonetaryPurchases that have taken place during the period in relation to assets and liabilities measured at fair value and categorized within Level 3 of the fair value hierarchy.No definition available.false2Purchases118false 4tmcc_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetAndLiabilityIssuestmcc_falsedebitdurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse00USD$falsefalsefalse2truefalsefalse00USD$falsefalsefalsexbrli:monetaryItemTypemonetaryIssues that have taken place during the period in relation to assets and liabilities measured at fair value and categorized within Level 3 of the fair value hierarchy.No definition available.false2Issuances119false 4tmcc_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetAndLiabilitySalestmcc_falsecreditdurationfalsefalsefalsefalsefalsefalsefalsetruenegatedLabel1truefalsefalse00USD$falsefalsefalse2truefalsefalse00USD$falsefalsefalsexbrli:monetaryItemTypemonetarySales that have taken place during the period in relation to assets and liabilities measured at fair value and categorized within Level 3 of the fair value hierarchy.No definition available.false2Sales120false 4tmcc_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetAndLiabilitySettlementstmcc_falsecreditdurationfalsefalsefalsefalsefalsefalsefalsetruenegatedLabel1truefalsefalse00USD$falsefalsefalse2truefalsefalse00USD$falsefalsefalsexbrli:monetaryItemTypemonetarySettlements that have taken place during the period in relation to assets and liabilities measured at fair value and categorized within Level 3 of the fair value hierarchy.No definition available.false2Settlements121false 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out of Level 3123false 4tmcc_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisNetAssetAndLiabilityValuetmcc_falsedebitinstantfalsefalsefalsefalsefalsefalsetruefalseperiodEndLabel1truefalsefalse-7000000-7USD$falsefalsefalse2truefalsefalse-27000000-27USD$falsefalsefalsexbrli:monetaryItemTypemonetaryThis element represents net asset and liability measured at fair value using significant unobservable inputs (Level 3) which is required for reconciliation purposes of beginning and ending balances.No definition available.false2Fair value,124false 4us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1us-gaap_truecreditdurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse-1000000-1USD$falsetruefalse2truefalsefalse-3000000-3USD$falsetruefalsexbrli:monetaryItemTypemonetaryAmount of gain (loss) recognized in earnings, arising from assets measured at fair value on a recurring basis using unobservable 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