Consolidated Balance Sheets (Parentheticals) (USD $)
In Millions, except Per Share data, unless otherwise specified
Mar. 31, 2015
Dec. 31, 2014
Consolidated Balance Sheets    
Fixed maturities, at amortized cost $ 17,252 $ 17,278
Equity securities, at cost $ 187 $ 199
Common stock, par value per share $ 0.25 $ 0.25
Common stock shares issued 296 296
Common stock shares authorized 600 600