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Income Taxes - Additional Information (Detail) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2024
Sep. 30, 2023
Sep. 30, 2024
Sep. 30, 2023
Income Taxes Disclosure [Line Items]        
Decrease in unrecognized tax benefits within the next twelve months $ 70   $ 70  
Increase in unrecognized tax benefits within the next twelve months $ 20   $ 20  
Effective tax rate (8.20%) 25.70% 11.00% 22.70%
U.S. corporate income tax rate     21.00%  
Tax Years 2013-2015 [Member]        
Income Taxes Disclosure [Line Items]        
Amount of potential additional income tax expense related to an IRS notice of proposed adjustment subject to interest and penalties. $ 370   $ 370  
Tax Years 2016-2019 [Member]        
Income Taxes Disclosure [Line Items]        
Amount of potential additional income tax expense related to an IRS notice of proposed adjustment subject to interest $ 312   $ 312