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Income Taxes (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2023
Jun. 30, 2022
Effective Tax Rate        
Income/(Loss) before income taxes $ 397 $ 665 $ (1,274) $ 2,972
Income tax expense/(benefit) $ 89 $ 152 $ (247) $ 723
Effective income tax rate 22.40% 22.90% 19.40% 24.30%
Uncertain Tax Benefits        
Non-current tax liability for uncertain tax benefits $ 45   $ 45  
Uncertain tax benefits, penalties and interest accrued $ 2   $ 2