Consolidated Balance Sheet (Unaudited) (Parenthetical) (USD $)	Mar. 31, 2012	Dec. 31, 2011
Receivables, collateralizing long-term debt	$ 5,200,000,000	$ 5,300,000,000
Due to affiliate, carried at fair value	461,000,000	447,000,000
Long-term debt, carried at fair value	14,100,000,000	13,700,000,000
Long-term debt, collateralized by receivables	$ 3,200,000,000	$ 3,300,000,000
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	100	100
Common stock, shares issued	68	68
Series B Preferred Stock
Redeemable preferred stock, shares authorized	1,501,100	1,501,100
Redeemable preferred stock, par value	$ 0.01	$ 0.01
Redeemable preferred stock, shares issued	575,000	575,000
Series C Preferred Stock
Redeemable preferred stock, shares authorized	1,000	1,000
Redeemable preferred stock, par value	$ 0.01	$ 0.01
Redeemable preferred stock, shares issued	1,000	1,000