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Equity Equity (Stock Repurchases) (Details) - USD ($) $ / shares in Units, $ in Millions | 126 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2020 | Dec. 31, 2022 | Dec. 31, 2021
Equity, Class of Treasury Stock [Line Items] |  |  |
Stock Repurchase Program, Remaining Authorized Repurchase Amount |  | $ 264 |
Acquisition of treasury stock (shares) | 154,300,000 |  |
Treasury Stock Acquired, Average Cost Per Share | $ 12.12 |  |
Treasury Stock, Value, Acquired, Cost Method | $ 1,900 |  |
Treasury Stock, Common, Shares |  | 150,046,537 | 151,923,418

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