v3.26.3
Income Taxes (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Dec. 31, 2025
Income Tax Contingency [Line Items]          
Net deferred tax asset $ 520   $ 520    
Income tax expense 72 $ 23 $ 202 $ 111  
Effective tax rate     24.60% 24.90%  
Affordable housing tax credit investments 387   $ 387   $ 344
Unfunded affordable housing tax credit commitments 163   163   $ 140
Income Tax Jurisdiction, Domestic State and Local          
Income Tax Contingency [Line Items]          
NOL carry-forwards $ 5   $ 5