CONSOLIDATED BALANCE SHEET (Parenthetical) - USD ($) $ in Millions	Mar. 31, 2016	Dec. 31, 2015
Receivables, collateralizing long-term debt	$ 1,305	$ 1,654
Credit loss reserves	(272)	(311)
Due to affiliate, carried at fair value	495	496
Long-term debt carried at fair value	1,447	3,257
Long-term debt collateralized by receivables	$ 694	$ 879
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