Condensed Consolidated Statements of Changes in Stockholders' Equity (Unaudited) - USD ($) $ in Millions	Total	Dividend to Parent [Member]	Retained Earnings (Accumulated Deficit)	Additional Paid-in Capital	Accumulated Other Comprehensive Income (Loss)	Common Stock	Extraordinary Item [Member] Dividend to Parent [Member]
Dividends		$ (505)
Balance, at beginning of period at Dec. 31, 2014	$ 9,291		$ 1,376	$ 6,688	$ 1,221	$ 6
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	375
Total other comprehensive income	(372)				(372)
Net Income (Loss) Attributable to Parent	375		375
Balance, at end of period at Jun. 30, 2015	8,789		1,751	6,183	849	6
Balance, at beginning of period at Mar. 31, 2015					1,334
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	230
Total other comprehensive income	(485)
Net Income (Loss) Attributable to Parent	230
Balance, at end of period at Jun. 30, 2015	8,789		1,751	6,183	849	6
Liabilities	167,188
Dividends	(500)						$ (505)
Balance, at beginning of period at Dec. 31, 2015	8,162		1,876	5,687	593	6
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	146
Total other comprehensive income	475
Net Income (Loss) Attributable to Parent	146		146
Balance, at end of period at Jun. 30, 2016	8,278		2,022	5,182	1,068	6
Balance, at beginning of period at Mar. 31, 2016					835
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	118
Total other comprehensive income	233
Net Income (Loss) Attributable to Parent	118
Balance, at end of period at Jun. 30, 2016	8,278		$ 2,022	$ 5,182	$ 1,068	$ 6
Liabilities	$ 165,395