XML 76 R61.htm IDEA: XBRL DOCUMENT v3.10.0.1
Employee Incentive Plans (2007 Stock Incentive Plan, ROI Summary) (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
2007 Stock Incentive Plan (Shares)      
Beginning Balance 6,473,720 7,917,719 8,937,985
Shares Granted 1,145,627 946,489 [1] 1,451,136
Shares Cancelled (63,657) (115,711) (69,340)
Shares Distributed (2,083,624) (2,274,777) (2,402,062)
Ending Balance 5,472,066 6,473,720 7,917,719
Intrinsic Value Of SIP Shares Which Vested And Were Distributed [Member]      
Distributed [2] $ 164 $ 81 $ 88
2007 ROI Unit Stock Plan (Shares) [Member]      
Beginning Balance 3,849 4,994 6,370
Shares Distributed (3,849) (1,145) (1,376)
Ending Balance   3,849 4,994
[1] Stock Incentive Plan number of granted restricted stock units related to 2017 was adjusted by 23,082 additional restricted stock units during the year ended December 31, 2018.
[2] Intrinsic value of SIP units distributed represents the compensation value reported to the participants.