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Income Taxes (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
Income Tax Examination [Line Items]        
Income tax rate 14.70% 21.70% 18.50% 23.50%
IRS | Tax Years 2011 to 2013        
Income Tax Examination [Line Items]        
Possible additional federal tax expense     $ 244  
IRS | Tax Years 2014 to 2016        
Income Tax Examination [Line Items]        
Possible additional federal tax expense     $ 431