The amount of counterparty credit valuation adjustments recorded as of the balance sheet date pertaining to derivative assets.

No definition available.

+ Details

Name:	tmcc_FairValueDerivativeAssetCounterpartyCreditValuationAdjustment
Namespace Prefix:	tmcc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The amount of non-performance credit valuation adjustments recorded as of the balance sheet date pertaining to derivative liabilities.

+ References

No definition available.

+ Details

Name:	tmcc_FairValueDerivativeLiabilityNonPerformanceCreditValuationAdjustment
Namespace Prefix:	tmcc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

This item representsthe amounts of gains and losses from fair value changes of loans receivable included in earnings during the period.

+ References

No definition available.

+ Details

Name:	tmcc_FairValueLoansReceivableChangesInFairValueGainLoss
Namespace Prefix:	tmcc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Details

Name:	tmcc_FairValueMeasurementsAbstract
Namespace Prefix:	tmcc_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. An amount representing an agreement for an unconditional promise by the maker to pay the Company (holder) a definite sum of money at a future date(s).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 3

-Subparagraph b

-Article 5

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.3(b))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

Name:	us-gaap_NotesReceivableFairValueDisclosure
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Fair Value Measurements (Narratives) (Details) (USD $) In Millions, unless otherwise specified			3 Months Ended
	Jun. 30, 2012	Mar. 31, 2012	Jun. 30, 2012 Nonrecurring [Member]	Jun. 30, 2011 Nonrecurring [Member]	Jun. 30, 2012 Nonrecurring [Member] Level 3 [Member]	Mar. 31, 2012 Nonrecurring [Member] Level 3 [Member]
Fair Value Measurements [Abstract]
Derivative asset counterparty credit valuation adjustment	$ 8	$ 3
Derivative liability non-performance credit valuation adjustment	0	1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Net finance receivables					183	166
Gain (loss) from changes in fair value of net finance receivables			$ (30)	$ 3