CONSOLIDATED BALANCE SHEET (Parenthetical) - USD ($) $ in Millions	Dec. 31, 2015	Dec. 31, 2014
Receivables, collateralizing long-term debt	$ 1,654	$ 2,999
Credit loss reserves	(311)	(2,217)
Due to affiliate, carried at fair value	496	512
Long-term debt carried at fair value	3,257	6,762
Long-term debt collateralized by receivables	$ 879	$ 1,489
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
Common stock, shares outstanding (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