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Employee Incentive Plans (Share Grants And Fair Value) (Details) - USD ($) $ in Millions |  | 12 Months Ended | 176 Months Ended | 212 Months Ended
--- | --- | --- | --- | ---
Apr. 25, 2022 | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2024
Employee Incentive Plans [Abstract] |  |  |  |  |  |  |  |  |
Shares granted | [1] | 180,889 | 617,122 | 1,257,822 | [2] | 1,248,105 | [2] | 29,332,059 | 32,635,997
Fair Value - Date of Grant |  | $ 12 | $ 111 | $ 102 |  | $ 91 |  | $ 842 | $ 1,158
Stock Incentive Plan Granted Shares Adjustment |  |  | 952 |  |  |  |  |  |
[1] | On April 25, 2022, the Company awarded a special grant of restricted stock units to employees.
[2] | Stock Incentive Plan number of granted restricted stock units related to 2023 was adjusted by 952 additional restricted stock units during the year ended December 31, 2024.

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- Definition Fair Value of shares granted under the 2007 Stock Incentive Plan. + References No definition available. + Details
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- Definition Number of shares granted under the 2007 Stock Incentive Plan. + References No definition available. + Details
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