CONSOLIDATED BALANCE SHEET (UNAUDITED) (Parenthetical) (USD $)	Mar. 31, 2013	Dec. 31, 2012
Receivables, collateralizing long-term debt	$ 4,800,000,000	$ 4,900,000,000
Due to affiliate, carried at fair value	511,000,000	514,000,000
Long-term debt carried at fair value	9,600,000,000	9,700,000,000
Long-term debt collateralized by receivables	$ 2,800,000,000	$ 2,900,000,000
Common stock, par value (usd per share)	$ 0.01	$ 0.01
Common stock, shares authorized (shares)	100	100
Common stock, shares issued (shares)	68	68
Series B Preferred Stock [Member]
Redeemable preferred stock, shares authorized (shares)	1,501,100	1,501,100
Redeemable preferred stock, par value (usd per share)	$ 0.01	$ 0.01
Redeemable preferred stock, shares issued (shares)	575,000	575,000
Redeemable preferred stock, shares outstanding (shares)	575,000	575,000
Series C Preferred Stock [Member]
Redeemable preferred stock, shares authorized (shares)	1,000	1,000
Redeemable preferred stock, par value (usd per share)	$ 0.01	$ 0.01
Redeemable preferred stock, shares issued (shares)	1,000	1,000
Redeemable preferred stock, shares outstanding (shares)	1,000	1,000