v3.3.1.900
Incentive Program (Grant Value Of Restricted Stock And Units) (Details) - USD ($)
$ / shares in Units, $ in Millions
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Grant price, per share $ 81.27 $ 95.2 $ 94.47
Restricted stock and units settled in stock $ 727 $ 858 $ 843
Units settled in cash 60 73 76
Total value $ 787 $ 931 $ 919