CONDENSED CONSOLIDATED STATEMENTS OF SHAREHOLDER'S EQUITY (USD $) In Millions, unless otherwise specified	Total	Common stock	Additional capital paid-in	Retained income	Accumulated other comprehensive income
Balance, beginning of period at Dec. 31, 2011				$ 2,060	$ 812
Increase (decrease) in equity
Net income	181			181
Change in unrealized net capital gains and losses	388				388
Change in unrealized foreign currency translation adjustments	2				2
Balance, end of period at Jun. 30, 2012	6,638	5	3,190	2,241	1,202
Balance, beginning of period at Dec. 31, 2012	7,313			2,485	1,633
Increase (decrease) in equity
Net income	259			259
Change in unrealized net capital gains and losses	(536)				(536)
Balance, end of period at Jun. 30, 2013	$ 7,036	$ 5	$ 3,190	$ 2,744	$ 1,097