Annual report [Section 13 and 15(d), not S-K Item 405]

Securitizations and Other Variable Interest Entities - Other Asset-backed VIEs (Details)

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Securitizations and Other Variable Interest Entities - Other Asset-backed VIEs (Details) - USD ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
On-balance sheet assets        
Trading account assets $ 366,954 $ 314,460    
Debt securities carried at fair value 402,975 358,607    
Held-to-maturity securities 522,685 558,713    
Loans and leases 1,185,700 1,095,835    
Allowance for loan and lease losses (13,203) (13,240) $ (13,342) $ (12,682)
Other assets 164,986 161,836    
Total assets 3,411,738 3,261,299  
On-balance sheet liabilities        
Long-term debt 317,816 283,279    
Total liabilities 3,108,495 2,967,336    
Consolidated VIEs        
On-balance sheet assets        
Trading account assets 7,139 5,575    
Loans and leases 17,875 19,144    
Allowance for loan and lease losses (871) (919)    
Other assets 709 319    
Total assets 24,852 24,119    
On-balance sheet liabilities        
Long-term debt 6,847 8,457    
All other liabilities 18 21    
Total liabilities 12,644 11,807    
Credit Card and Automobile | Unconsolidated VIEs        
Variable Interest Entity [Line Items]        
Maximum loss exposure 0 0    
On-balance sheet assets        
Loans and leases 0 0    
Allowance for loan and lease losses 0 0    
Other assets 0 0    
Total retained positions 0 0    
Total assets 0 0    
Credit Card and Automobile | Consolidated VIEs        
Variable Interest Entity [Line Items]        
Maximum loss exposure 9,995 9,385    
On-balance sheet assets        
Trading account assets 0 0    
Debt securities carried at fair value 0 0    
Loans and leases 17,066 18,110    
Allowance for loan and lease losses (875) (924)    
Other assets 197 195    
Total assets 16,388 17,381    
On-balance sheet liabilities        
Short-term borrowings 0 0    
Long-term debt 6,375 7,975    
All other liabilities 18 21    
Total liabilities 6,393 7,996    
Residual interests 5,400 4,500    
Credit Card and Automobile | Senior securities: | Unconsolidated VIEs        
On-balance sheet assets        
Trading account assets 0 0    
Debt securities carried at fair value 0 0    
Held-to-maturity securities 0 0    
Resecuritization Trusts and Customer VIEs | Unconsolidated VIEs        
Variable Interest Entity [Line Items]        
Maximum loss exposure 5,183 5,300    
On-balance sheet assets        
Loans and leases 0 0    
Allowance for loan and lease losses 0 0    
Other assets 1,468 868    
Total retained positions 5,183 5,301    
Total assets 31,798 24,216    
Resecuritization Trusts and Customer VIEs | Consolidated VIEs        
Variable Interest Entity [Line Items]        
Maximum loss exposure 196 583    
On-balance sheet assets        
Trading account assets 394 1,002    
Debt securities carried at fair value 0 0    
Loans and leases 0 0    
Allowance for loan and lease losses 0 0    
Other assets 40 39    
Total assets 434 1,041    
On-balance sheet liabilities        
Short-term borrowings 0 0    
Long-term debt 238 458    
All other liabilities 0 0    
Total liabilities 238 458    
Resecuritization Trusts and Customer VIEs | Senior securities: | Unconsolidated VIEs        
On-balance sheet assets        
Trading account assets 1,223 1,641    
Debt securities carried at fair value 745 809    
Held-to-maturity securities 1,747 1,983    
Municipal Bond Trusts and CDOs | Unconsolidated VIEs        
Variable Interest Entity [Line Items]        
Maximum loss exposure 3,107 1,839    
On-balance sheet assets        
Loans and leases 0 0    
Allowance for loan and lease losses 0 0    
Other assets 5 6    
Total retained positions 17 22    
Total assets 8,065 6,474    
Municipal Bond Trusts and CDOs | Consolidated VIEs        
Variable Interest Entity [Line Items]        
Maximum loss exposure 5,975 3,519    
On-balance sheet assets        
Trading account assets 5,506 3,436    
Debt securities carried at fair value 469 83    
Loans and leases 0 0    
Allowance for loan and lease losses 0 0    
Other assets 0 0    
Total assets 5,975 3,519    
On-balance sheet liabilities        
Short-term borrowings 5,779 3,329    
Long-term debt 0 0    
All other liabilities 0 0    
Total liabilities 5,779 3,329    
Municipal Bond Trusts and CDOs | Senior securities: | Unconsolidated VIEs        
On-balance sheet assets        
Trading account assets 12 16    
Debt securities carried at fair value 0 0    
Held-to-maturity securities 0 0    
Investment VIEs and Leveraged Lease Trusts | Unconsolidated VIEs        
Variable Interest Entity [Line Items]        
Maximum loss exposure 3,955 2,454    
On-balance sheet assets        
Loans and leases 1,257 70    
Allowance for loan and lease losses (2) (2)    
Other assets 2,022 1,522    
Total retained positions 3,429 1,944    
Total assets 30,016 22,965    
Investment VIEs and Leveraged Lease Trusts | Consolidated VIEs        
Variable Interest Entity [Line Items]        
Maximum loss exposure 844 1,012    
On-balance sheet assets        
Trading account assets 55 5    
Debt securities carried at fair value 0 0    
Loans and leases 794 1,012    
Allowance for loan and lease losses (1) (1)    
Other assets 2 1    
Total assets 850 1,017    
On-balance sheet liabilities        
Short-term borrowings 0 0    
Long-term debt 6 5    
All other liabilities 0 0    
Total liabilities 6 5    
Investment VIEs and Leveraged Lease Trusts | Senior securities: | Unconsolidated VIEs        
On-balance sheet assets        
Trading account assets 152 354    
Debt securities carried at fair value 0 0    
Held-to-maturity securities $ 0 $ 0