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Income Taxes (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Income Tax Disclosure [Abstract]        
Income tax expense (benefit) $ 4,288 $ 1,328 $ 7,065 $ 2,107
Increase (decrease) in income before income tax expense 11,600   18,500  
Income (loss) before income tax expense $ 16,003 $ 4,422 $ 25,057 $ 6,599
Effective tax rates 27.00% 30.00% 28.00% 32.00%