Employee Incentive Plans (2007 Stock Incentive Plan, ROI Summary) (Details) - USD ($) $ in Millions |
12 Months Ended | |||||||
|---|---|---|---|---|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
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| Beginning Balance | 15,332,960 | 18,420,284 | 19,027,044 | |||||
| Shares Granted | 1,876,533 | 2,481,284 | [1] | 5,031,288 | ||||
| Shares Canceled | (138,341) | (172,084) | (81,920) | |||||
| Shares Distributed | (5,450,369) | (5,396,524) | (5,556,128) | |||||
| Ending Balance | 11,620,783 | 15,332,960 | 18,420,284 | |||||
| Shares Distributed Intrinsic Value | [2] | $ 253 | $ 161 | $ 108 | ||||
| Stock incentive plan granted shares adjustment | 12,796 | |||||||
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