Other Assets (Details) (USD $) In Millions, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Other Assets
Mortgage loans in foreclosure, net	$ 165	$ 172
Repurchase eligible loans	90	94
Real estate owned, net	55	51
Derivatives	44	48
Deferred financing costs	38	38
Equity method investments	34	37
Intangible assets	28	29
Other	55	53
Total	$ 509	$ 522