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Earnings Per Share - Share Repurchases (Details) - USD ($) shares in Millions, $ in Millions | 3 Months Ended
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Mar. 31, 2023 | Mar. 31, 2022
Earnings Per Share [Abstract] |  |
Shares Repurchased (in shares) | 35 | 29
Cost of Shares | $ 1,067 | $ 1,016

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