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Employee Incentive Plans (2007 Stock Incentive Plan, ROI Summary) (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Distributed | [1] | $ 67 | $ 85 |  | $ 53
Stock Incentive Plan Granted Shares Adjustment |  | 7,725 | 7,725 |  |
2007 Stock Incentive Plan (Shares) |  |  |  |  |
Beginning Balance |  | 4,783,810 | 4,974,355 |  | 5,127,915
Shares Granted |  | 1,425,272 | 1,084,773 | [2] | 1,229,177
Shares Canceled |  | (179,856) | (55,177) |  | (82,496)
Shares Distributed |  | (1,276,186) | (1,220,141) |  | (1,300,241)
Ending Balance |  | 4,753,040 | 4,783,810 |  | 4,974,355
[1] | Intrinsic value of SIP units distributed represents the compensation value reported to the participants.
[2] | Stock Incentive Plan number of granted restricted stock units related to 2021 was adjusted by 7,725 additional restricted stock units during the year ended December 31, 2022.

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- Definition Shares granted, net of shares distributed and forfeited. + References No definition available. + Details
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- Definition Total shares distributed during the period. + References No definition available. + Details
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- Definition Intrinsic value of SIP shares distributed represents the compensation value reported to the participants. + References No definition available. + Details
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- Definition Shares granted during the period. + References No definition available. + Details
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- Details
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