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Consolidated Statements of Income (Unaudited) (Parenthetical) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022
Income Statement [Abstract] |  |  |  |
Income tax expense (benefit) from discontinued operations | $ 1,200 | $ 53 | $ 1,300 | $ 185

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