Annual report pursuant to Section 13 and 15(d)

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, 2023
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
On-balance sheet assets        
Trading account assets $ 277,354 $ 296,108    
Debt securities carried at fair value 276,852 229,994    
Held-to-maturity securities 594,591 632,863    
Loans and leases 1,053,732 1,045,747    
Allowance for loan and lease losses (13,342) (12,682) $ (12,387) $ (18,802)
Other assets 160,875 150,759    
Total assets 3,180,151 3,051,375  
On-balance sheet liabilities        
Long-term debt 302,204 275,982    
Total liabilities 2,888,505 2,778,178    
Consolidated VIEs        
On-balance sheet assets        
Trading account assets 6,054 2,816    
Loans and leases 18,276 16,738    
Allowance for loan and lease losses (826) (797)    
Other assets 269 116    
Total assets 23,773 18,873    
On-balance sheet liabilities        
Long-term debt 8,456 4,581    
All other liabilities 19 13    
Total liabilities 11,432 4,636    
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 8,127 9,555    
On-balance sheet assets        
Trading account assets 0 0    
Debt securities carried at fair value 0 0    
Loans and leases 16,640 14,555    
Allowance for loan and lease losses (832) (808)    
Other assets 163 68    
Total assets 15,971 13,815    
On-balance sheet liabilities        
Short-term borrowings 0 0    
Long-term debt 7,825 4,247    
All other liabilities 19 13    
Total liabilities 7,844 4,260    
Residual interests 3,200 3,300    
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 4,494 4,940    
On-balance sheet assets        
Loans and leases 0 0    
Allowance for loan and lease losses 0 0    
Other assets 711 697    
Total retained positions 4,494 4,940    
Total assets 15,862 13,385    
Resecuritization Trusts and Customer VIEs | Consolidated VIEs        
Variable Interest Entity [Line Items]        
Maximum loss exposure 1,240 768    
On-balance sheet assets        
Trading account assets 1,798 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 38 20    
Total assets 1,836 1,022    
On-balance sheet liabilities        
Short-term borrowings 0 0    
Long-term debt 596 254    
All other liabilities 0 0    
Total liabilities 596 254    
Resecuritization Trusts and Customer VIEs | Senior securities: | Unconsolidated VIEs        
On-balance sheet assets        
Trading account assets 626 456    
Debt securities carried at fair value 920 1,259    
Held-to-maturity securities 2,237 2,528    
Municipal Bond Trusts and CDOs | Unconsolidated VIEs        
Variable Interest Entity [Line Items]        
Maximum loss exposure 1,787 2,734    
On-balance sheet assets        
Loans and leases 0 0    
Allowance for loan and lease losses 0 0    
Other assets 7 18    
Total retained positions 30 201    
Total assets 9,279 13,595    
Municipal Bond Trusts and CDOs | Consolidated VIEs        
Variable Interest Entity [Line Items]        
Maximum loss exposure 3,136 0    
On-balance sheet assets        
Trading account assets 3,084 0    
Debt securities carried at fair value 52 0    
Loans and leases 0 0    
Allowance for loan and lease losses 0 0    
Other assets 0 0    
Total assets 3,136 0    
On-balance sheet liabilities        
Short-term borrowings 2,934 0    
Long-term debt 0 0    
All other liabilities 0 0    
Total liabilities 2,934 0    
Municipal Bond Trusts and CDOs | Senior securities: | Unconsolidated VIEs        
On-balance sheet assets        
Trading account assets 23 183    
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 2,197 2,235    
On-balance sheet assets        
Loans and leases 90 90    
Allowance for loan and lease losses (12) (12)    
Other assets 1,168 1,230    
Total retained positions 1,719 1,768    
Total assets 18,398 14,771    
Investment VIEs and Leveraged Lease Trusts | Consolidated VIEs        
Variable Interest Entity [Line Items]        
Maximum loss exposure 1,596 2,069    
On-balance sheet assets        
Trading account assets 1 1    
Debt securities carried at fair value 0 0    
Loans and leases 1,605 2,086    
Allowance for loan and lease losses (1) (1)    
Other assets 15 26    
Total assets 1,620 2,112    
On-balance sheet liabilities        
Short-term borrowings 23 42    
Long-term debt 1 1    
All other liabilities 0 0    
Total liabilities 24 43    
Investment VIEs and Leveraged Lease Trusts | Senior securities: | Unconsolidated VIEs        
On-balance sheet assets        
Trading account assets 469 455    
Debt securities carried at fair value 4 5    
Held-to-maturity securities $ 0 $ 0