CONSOLIDATED STATEMENT OF SHAREHOLDER'S EQUITY (PARENTHETICALS) (USD $) In Millions	3 Months Ended
Jun. 30, 2011	Jun. 30, 2010
Statement Of Stockholders Equity Abstract
Net of tax provision on available-for-sale securities	$ 3	$ 1
Reclassification adjustment net of tax benefit	(1)
Reclassification adjustment net of tax provision		$ 5

Name:

tmcc_TaxProvisionNetUnrealizedGainLossAvailableForSaleMarketableSecurities

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tmcc

Data Type:

xbrli:monetaryItemType

Balance Type:

credit

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duration