Condensed Consolidated Statements of Changes in Stockholders' Equity (Unaudited) (USD $)	Total	Common Stock	Additional Paid-in Capital	Accumulated Other Comprehensive Income (Loss)	Retained Earnings (Accumulated Deficit)	Non-controlling Interest
Balance, at beginning of period at Dec. 31, 2011	$ 8,911,000,000	$ 6,000,000	$ 8,271,000,000	$ 953,000,000	$ (319,000,000)	$ 0
Capital contributions from parent	3,000,000		3,000,000
Dividends declared	0				0
Net income (loss)	288,000,000				289,000,000	(1,000,000)
Total other comprehensive income	41,000,000			41,000,000
Balance, at end of period at Mar. 31, 2012	9,244,000,000	6,000,000	8,274,000,000	994,000,000	(30,000,000)	0
Balance, at beginning of period at Dec. 31, 2012	10,383,000,000	6,000,000	8,155,000,000	1,987,000,000	235,000,000	0
Adjustments to Additional Paid in Capital, Dividends in Excess of Retained Earnings	1,200,000,000
Capital contributions from parent	(1,196,000,000)		(1,196,000,000)
Dividends declared	(1,000,000)				(1,000,000)
Net income (loss)	386,000,000				380,000,000	6,000,000
Change in non-controlling interest ownership	(6,000,000)					(6,000,000)
Total other comprehensive income	(909,000,000)			(909,000,000)
Balance, at end of period at Mar. 31, 2013	$ 8,657,000,000	$ 6,000,000	$ 6,959,000,000	$ 1,078,000,000	$ 614,000,000	$ 0