v3.25.4
Federal, State, and Local Taxes - Narrative (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Income Tax Contingency [Line Items]        
Net deferred tax asset $ 684 $ 754    
Net deferred tax liability 42 51    
Net operating loss carryforwards 8 12    
Total state net operating loss carryforwards 172      
Valuation allowance $ 4 $ 4    
Investment, Proportional Amortization Method, Elected, Statement of Financial Position [Extensible Enumeration] Other assets Other assets    
Low income housing tax credits $ 296 $ 335    
Investment Program, Proportional Amortization Method, Elected, Income Tax Credit and Other Income Tax Benefit, before Amortization, Statement of Cash Flows [Extensible Enumeration] Income tax (benefit)/expense      
Investment Program, Proportional Amortization Method, Applied, Amortization Expense, Statement of Cash Flows [Extensible Enumeration] Income tax (benefit)/expense      
Affordable housing tax credits $ 46 41 $ 34  
Affordable housing tax credit amortization $ 39 37 30  
Investment Program, Proportional Amortization Method, Applied, Amortization Expense, Statement of Income or Comprehensive Income [Extensible Enumeration] Net (loss) income      
Investment Program, Proportional Amortization Method, Elected, Income Tax Credit and Other Income Tax Benefit, before Amortization, Statement of Income or Comprehensive Income [Extensible Enumeration] Net (loss) income      
Affordable housing tax credit write down $ 0 0 0  
Unrecognized tax benefits 43 43 42 $ 40
Total amount of net unrecognized tax benefits that would have effective tax rate 35 34    
Income tax expense interest and penalties 9 8 $ 8  
Income tax accrued interest expense and penalties 51 $ 42    
Bad debt reserve 62      
Federal deferred tax liability, bad debt reserve 13      
Other Assets        
Income Tax Contingency [Line Items]        
Net deferred tax asset 22      
Other Liabilities        
Income Tax Contingency [Line Items]        
Net deferred tax liability $ 64