Consolidated Statements Of Cash Flows (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Statement of Cash Flows [Abstract]
Net Cash Provided by (Used in) Operating Activities	$ 465	$ 315
Net Cash Provided by (Used in) Investing Activities, Continuing Operations [Abstract]
Purchases of consumer finance receivables, net	(3,304)	(1,343)
Principal Collection and Recoveries on Receivables	(2,617)	(1,096)
Net funding of commercial finance receivables	(350)	(273)
Purchases of leased vehicles, net	(628)	(510)
Proceeds from termination of leased vehicles	123	37
Purchases of property and equipment	(7)	(1)
Change in restricted cash	(147)	(88)
Change in other assets	0	5
Net Cash Provided by (Used in) Investing Activities, Continuing Operations	(1,696)	(1,077)
Net Cash Provided by (Used in) Financing Activities, Continuing Operations [Abstract]
Net increase in debt (original maturities less than three months)	451
Borrowings and issuance of secured debt	5,070	3,384
Payments on secured debt	(4,238)	(1,000)
Proceeds from Issuance of Unsecured Debt	390	0
Repayments of Unsecured Debt	(330)	0
Payments of Debt Issuance Costs	(23)	(13)
Net Cash Provided by (Used in) Financing Activities, Continuing Operations	1,320	2,371
Cash and Cash Equivalents, Period Increase (Decrease)	89	1,609
Effect of Exchange Rate on Cash and Cash Equivalents	(1)	(1)
Cash and cash equivalents at beginning of period	1,074	1,289
Cash and cash equivalents at end of period	$ 1,162	$ 2,897