Receivables Receivables - Contractual Maturities (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended				9 Months Ended
	Sep. 30, 2013		Sep. 30, 2012		Sep. 30, 2013		Sep. 30, 2012
Receivables, Contractual Obligations
Total	$ 376	[1]	$ 834	[1]	$ 1,486	[1]	$ 3,299	[1]
Real estate secured [Member]
Receivables, Contractual Obligations
Total	376		807		1,458		3,032
First Lien [Member]
Receivables, Contractual Obligations
Total	341		735		1,329		2,745
Second Lien [Member]
Receivables, Contractual Obligations
Total	35		72		129		287
Personal non-credit card [Member]
Receivables, Contractual Obligations
Total	$ 0	[2]	$ 27	[2]	$ 28	[2]	$ 267	[2]

[1] The following table summarizes the actions taken during the three and nine months ended September 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.