CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Cash flows from operating activities:
Net income	$ 85	$ 52
Adjustments to reconcile Net income to net cash provided by operating activities:
Capitalization of originated mortgage servicing rights	(108)	(180)
Net unrealized loss on mortgage servicing rights and related derivatives	26	32
Vehicle depreciation	301	306
Other depreciation and amortization	6	6
Origination of mortgage loans held for sale	(10,784)	(9,488)
Proceeds on sale of and payments from mortgage loans held for sale	12,012	12,648
Net (gain) loss on interest rate lock commitments, mortgage loans held for sale and related derivatives	(264)	13
Deferred income tax expense	36	30
Other adjustments and changes in other assets and liabilities, net	133	(265)
Net cash provided by operating activities	1,443	3,154
Cash flows from investing activities:
Investment in vehicles	(481)	(381)
Proceeds on sale of investment vehicles	92	82
Net cash paid on derivatives related to mortgage servicing rights	(5)
Purchases of property, plant and equipment	(6)	(4)
Purchases of restricted investments	(49)	(35)
Proceeds from sales and maturities of restricted investments	70	41
Decrease (increase) in restricted cash and cash equivalents	39	(32)
Other, net	19	21
Net cash used in investing activities	(321)	(308)
Cash flows from financing activities:
Proceeds from secured borrowings	17,663	16,227
Principal payments on secured borrowings	(18,495)	(18,939)
Proceeds from unsecured borrowings	243	45
Principal payments on unsecured borrowings	(51)	(45)
Issuances of common stock		7
Cash paid for debt issuance costs	(7)	(4)
Other, net	(14)	(5)
Net cash used in financing activities	(661)	(2,714)
Effect of changes in exchange rates on Cash and cash equivalents		(2)
Net increase in Cash and cash equivalents	461	130
Cash and cash equivalents at beginning of period	414	195
Cash and cash equivalents at end of period	$ 875	$ 325