Consolidated Balance Sheet Parentheticals (Unaudited at September 30, 2011) (USD $) In Millions, except Share data	Sep. 30, 2011	Jun. 07, 2011	Dec. 31, 2010	Sep. 30, 2010	Dec. 31, 2009
Balance Sheet Parentheticals
Fixed maturities, available for sale, subject to securities lending	$ 149		$ 186
Fixed maturities, available for sale, amortized cost	60,056		60,170
Equity securities, available for sale, cost	$ 467		$ 372
Preferred Stock Savings Plan - convertible preferred stock, shares issued	0		200,000
Preferred Stock Savings Plan - convertible preferred stock, shares outstanding	0	190,083	200,000
Common stock, shares authorized	1,750,000,000		1,748,600,000
Common stock, shares issued	412,800,000		434,600,000
Common stock, shares outstanding	412,800,000		434,600,000	460,500,000	520,300,000
Treasury stock, at cost, shares	328,100,000		296,600,000