CONSOLIDATED STATEMENT OF CHANGES IN SHAREHOLDERS' EQUITY (USD $) In Millions, except Share data, unless otherwise specified	Total	Preferred Stock	Common Stock	Additional Paid-in Capital	Accumulated deficit	Accumulated other comprehensive loss
Balance at beginning of period at Dec. 31, 2010		$ 1,575		$ 23,321	$ (16,685)	$ (491)
Balance at beginning of period (shares) at Dec. 31, 2010		576,000	66
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Capital contribution from parent				690
Employee benefit plans, including transfers and other				(45)
Net income (loss)	(1,408)				(1,408)
Dividends on preferred stock					(126)
Other comprehensive income	95					95
Total common shareholder's equity at end of period	5,351
Number of shares of common stock issued to parent (shares)			2
Total shareholders' equity at end of period at Dec. 31, 2011	6,926	1,575	0	23,966	(18,219)	(396)
Balance at end of period (shares) at Dec. 31, 2011		576,000	68
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Capital contribution from parent				0
Employee benefit plans, including transfers and other				8
Net income (loss)	(845)				(845)
Dividends on preferred stock					(123)
Other comprehensive income	139					139
Total common shareholder's equity at end of period	4,530
Number of shares of common stock issued to parent (shares)			0
Total shareholders' equity at end of period at Dec. 31, 2012	6,105	1,575	0	23,974	(19,187)	(257)
Balance at end of period (shares) at Dec. 31, 2012		576,000	68
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Capital contribution from parent				0
Employee benefit plans, including transfers and other				(6)
Net income (loss)	536				536
Dividends on preferred stock					(123)
Other comprehensive income	149					149
Total common shareholder's equity at end of period	5,086
Number of shares of common stock issued to parent (shares)			0
Total shareholders' equity at end of period at Dec. 31, 2013	$ 6,661	$ 1,575	$ 0	$ 23,968	$ (18,774)	$ (108)
Balance at end of period (shares) at Dec. 31, 2013		576,000	68