CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (USD $) In Millions, except Share data	Total	Common Stock	Paid-In Capital	Retained Earnings	Accumulated Other Comprehensive Income	Treasury Stock
Balance at Dec. 31, 2008	$ 4,182	$ 393	$ 1,069	$ 3,579	$ 347	$ (1,206)
Balance (in shares) at Dec. 31, 2008		162,000,000
Net income	432			432
Other comprehensive income, net	383				383
Total comprehensive income	815
Cumulative effect of change in accounting for other-than-temporary impairments as of April 1, 2009, net of tax				106	(106)
Dividends declared	(255)			(255)
Stock options exercised	1					1
Stock-based compensation	10		10
Other	7		2			5
Balance at Dec. 31, 2009	4,760	393	1,081	3,862	624	(1,200)
Balance (in shares) at Dec. 31, 2009		162,000,000
Net income	377			377
Other comprehensive income, net	145				145
Total comprehensive income	522
Dividends declared	(259)			(259)
Stock options exercised (in shares)		1,000,000
Stock options exercised			(2)			2
Stock-based compensation	11		11
Purchases of treasury shares	(10)					(10)
Other	8		1			7
Balance at Dec. 31, 2010	5,032	393	1,091	3,980	769	(1,201)
Balance (in shares) at Dec. 31, 2010		163,000,000
Net income	166			166
Other comprehensive income, net	132				132
Total comprehensive income	298
Dividends declared	(261)			(261)
Stock options exercised	(4)		(10)			6
Stock-based compensation	13		13
Purchases of treasury shares (in shares)		(1,000,000)
Purchases of treasury shares	(32)					(32)
Other	9		2			7
Balance at Dec. 31, 2011	$ 5,055	$ 393	$ 1,096	$ 3,885	$ 901	$ (1,220)
Balance (in shares) at Dec. 31, 2011		162,000,000