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Income Taxes - Narrative (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Income Tax Disclosure [Abstract]      
Valuation allowance $ 385 $ 532  
Net operating loss and capital loss carryforwards 409 266  
Income tax penalties and interest expense 31 29 $ 40
Income tax penalties and interest accrued 134 $ 112  
Unrecognized tax benefits that would impact effective tax rate $ 330