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Income Taxes - Tax Credit Investments Expenses and Related Income Tax Credits and Other Tax Benefits (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2024
Sep. 30, 2023
Sep. 30, 2024
Sep. 30, 2023
Income Tax Disclosure [Abstract]        
Proportional amortization recognized in tax provision $ 48 $ 39 $ 143 $ 122
Income tax credits and Other income tax benefits recognized in tax provision $ 51 $ 49 $ 164 $ 153