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Employee Incentive Plans (Share Grants And Fair Value) (Details) - USD ($) $ in Millions |  | 6 Months Ended | 12 Months Ended | 176 Months Ended | 212 Months Ended
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Apr. 25, 2022 | Jun. 30, 2025 | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2024
Employee Incentive Plans [Abstract] |  |  |  |  |  |  |  |  |
Shares granted | 723,556 | [1] |  | 2,481,284 | [2] | 5,031,288 | 4,992,420 | 117,328,236 |
Fair Value - Date of Grant | $ 12 |  |  | $ 112 |  | $ 102 | $ 91 | $ 842 |
Shares Granted IPO to Date |  |  |  |  |  |  |  |  | 130,556,784
Fair Value - Date of Grant IPO to Date |  |  |  |  |  |  |  |  | $ 1,159
Stock Incentive Plan Granted Shares Adjustment |  |  | 12,796 |  |  |  |  |  |
[1] | 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 2024 was adjusted by 12,796 additional restricted stock units during the six months ended June 30, 2025.

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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 Fair Value of all shares granted under the 2007 Stock Incentive Plan from the IPO to date. + References No definition available. + Details
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