v2.4.0.8
Shareholders' Equity And Net Income Per Share Dividends (Details) (USD $)
In Millions, except Per Share data, unless otherwise specified
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2014
Mar. 31, 2014
Dec. 31, 2013
Sep. 30, 2013
Jun. 30, 2013
Mar. 31, 2013
Jun. 30, 2014
Jun. 30, 2013
Dec. 31, 2014
Dec. 31, 2013
Shareholders' Equity and Net Income Per Share Note [Abstract]                    
Cash dividends per share $ 0.25 $ 0.25 $ 0.17 $ 0.17 $ 0.17 $ 0.17 $ 0.50 $ 0.34 $ 1.00 $ 0.68
Payments of Cash Dividends $ 76 $ 77 $ 52 $ 53 $ 53 $ 53 $ 153     $ 211