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Equity (Common Stock - Narrative) (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2024 | Mar. 31, 2023
Equity [Abstract] |  |
Treasury Stock, Shares, Acquired | 16,898,239 | 11,612,945
Treasury Stock, Value, Acquired, Cost Method, Net Of Excise Tax | $ 1,200 | $ 780
Treasury Stock, Value, Acquired, Cost Method | 1,183 | 787
Treasury Stock, Value, Acquired, Cost Method, Excise Tax | $ 11 | $ 7

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