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Income Taxes (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Income Tax Disclosure [Abstract]        
Income tax expense (benefit) $ 2,183 $ 3,571 $ 6,926 $ 10,636
Increase (decrease) in income before income tax expense (6,100)   (13,800)  
Income (loss) before income tax expense $ 8,738 $ 14,809 $ 26,094 $ 39,866
Effective tax rates 25.00% 24.00% 27.00%