CONDENSED CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (USD $) In Millions	Total	Common Stock	Paid-In Capital	Retained Earnings	Accumulated Other Comprehensive Income	Treasury Stock
Balance at Dec. 31, 2010	$ 5,032	$ 393	$ 1,091	$ 3,980	$ 769	$ (1,201)
Balance (in shares) at Dec. 31, 2010		163
Cumulative effect of a change in accounting for deferred policy acquisition costs, net of tax	(20)			(20)
Balance (in shares)		163
Balance	5,012	393	1,091	3,960	769	(1,201)
Net income	61			61
Other comprehensive income, net	86				86
Dividends declared	(65)			(65)
Stock options exercised	1		(2)			3
Stock-based compensation	3		3
Other	(1)		(2)			1
Balance at Mar. 31, 2011	5,097	393	1,090	3,956	855	(1,197)
Balance (in shares) at Mar. 31, 2011		163
Balance at Dec. 31, 2011	5,033	393	1,096	3,863	901	(1,220)
Balance (in shares) at Dec. 31, 2011		162
Net income	86			86
Other comprehensive income, net	146				146
Dividends declared	(65)			(65)
Stock options exercised	1					1
Stock-based compensation	4		4
Other	2					2
Balance at Mar. 31, 2012	$ 5,207	$ 393	$ 1,100	$ 3,884	$ 1,047	$ (1,217)
Balance (in shares) at Mar. 31, 2012		162