XML 48 R36.htm IDEA: XBRL DOCUMENT v3.25.1
Variable Interest Entities Affordable Housing Tax Credit Investments (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Mar. 31, 2023
Dec. 31, 2024
Variable Interest Entity [Line Items]        
Investment Program, Proportional Amortization Method, Elected, Income Tax Credit and Other Income Tax Benefit, before Amortization, Statement of Income or Comprehensive Income [Extensible Enumeration] Income tax expense Income tax expense Income tax expense  
Tax Credit Investments | Variable Interest Entity, Not Primary Beneficiary        
Variable Interest Entity [Line Items]        
Tax credit investments included in other assets $ 1,559     $ 1,471
Unfunded tax credit commitments included in other liabilities 546     590
Loans and letters of credit commitments 628     663
Funded portion of loans and letters of credit commitments 288     $ 336
Tax credits and other tax benefits recognized 54 $ 55    
Tax credit amortization expense included in provision for income taxes $ 47 $ 46