Receivables Receivables - Contractual Maturities (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended				6 Months Ended
	Jun. 30, 2013		Jun. 30, 2012		Jun. 30, 2013		Jun. 30, 2012
Receivables, Contractual Obligations
Total	$ 535	[1]	$ 942	[1]	$ 1,110	[1]	$ 2,465	[1]
Real estate secured [Member]
Receivables, Contractual Obligations
Total	535		849		1,082		2,225
First Lien [Member]
Receivables, Contractual Obligations
Total	492		779		988		2,010
Second Lien [Member]
Receivables, Contractual Obligations
Total	43		70		94		215
Personal non-credit card [Member]
Receivables, Contractual Obligations
Total	$ 0	[2]	$ 93	[2]	$ 28	[2]	$ 240	[2]

[1] The following summarizes the actions taken during the three and six months ended June 30, 2013 and 2012 which resulted in the above receivables being classified as a TDR Loan.

[2] As discussed more fully in Note 6, "Receivables Held for Sale," we sold our personal non-credit card receivable portfolio on April 1, 2013.