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Equity, Narrative (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2022 | Mar. 31, 2021
Equity (Textual) |  |
Open market stock purchases | $ 126 |
Remaining authorized repurchase amount | $ 1,200 |
Treasury Stock [Member] |  |
Equity (Textual) |  |
Stock purchases under purchase program (shares) | 1,334,550 | 0
Open market stock purchases | $ 126 |

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