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Accounting and Reporting Developments (Details) - USD ($)
$ in Millions
Sep. 30, 2024
Jan. 01, 2024
Dec. 31, 2023
New Accounting Pronouncements or Change in Accounting Principle [Line Items]      
Retained earnings $ (23,820)   $ (22,997)
Cumulative Effect, Period of Adoption, Adjustment      
New Accounting Pronouncements or Change in Accounting Principle [Line Items]      
Retained earnings   $ 10