Quarterly report [Sections 13 or 15(d)]

Fair Value Option - Gains (Losses) Related to Assets and Liabilities (Details)

v3.25.1
Fair Value Option - Gains (Losses) Related to Assets and Liabilities (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Fair Value, Option, Quantitative Disclosures [Line Items]    
Gains (Losses) Related to Assets and Liabilities Accounted for Under the Fair Value Option $ 1,663 $ 2,267
Federal funds sold and securities borrowed or purchased under agreements to resell    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Gains (Losses) Related to Assets and Liabilities Accounted for Under the Fair Value Option 132 27
Loans reported as trading account assets    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Gains (Losses) Related to Assets and Liabilities Accounted for Under the Fair Value Option 112 (15)
Gains (Losses) Related to Borrower-specific Credit Risk for Assets and Liabilities Accounted for Under the Fair Value Option 160 (32)
Trading inventory – other    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Gains (Losses) Related to Assets and Liabilities Accounted for Under the Fair Value Option 1,707 1,911
Consumer and commercial loans    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Gains (Losses) Related to Assets and Liabilities Accounted for Under the Fair Value Option 19 25
Gains (Losses) Related to Borrower-specific Credit Risk for Assets and Liabilities Accounted for Under the Fair Value Option 0 3
Loans held-for-sale    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Gains (Losses) Related to Assets and Liabilities Accounted for Under the Fair Value Option 60 (10)
Gains (Losses) Related to Borrower-specific Credit Risk for Assets and Liabilities Accounted for Under the Fair Value Option 1 1
Short-term borrowings    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Gains (Losses) Related to Assets and Liabilities Accounted for Under the Fair Value Option 41 (2)
Unfunded loan commitments    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Gains (Losses) Related to Assets and Liabilities Accounted for Under the Fair Value Option (9) (14)
Gains (Losses) Related to Borrower-specific Credit Risk for Assets and Liabilities Accounted for Under the Fair Value Option (9) (14)
Accrued expenses and other liabilities    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Gains (Losses) Related to Assets and Liabilities Accounted for Under the Fair Value Option (7) 161
Long-term debt    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Gains (Losses) Related to Assets and Liabilities Accounted for Under the Fair Value Option (267) 196
Gains (Losses) Related to Borrower-specific Credit Risk for Assets and Liabilities Accounted for Under the Fair Value Option 0 (3)
Other    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Gains (Losses) Related to Assets and Liabilities Accounted for Under the Fair Value Option (125) (12)
Market making and similar activities    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Gains (Losses) Related to Assets and Liabilities Accounted for Under the Fair Value Option 1,635 2,306
Market making and similar activities | Federal funds sold and securities borrowed or purchased under agreements to resell    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Gains (Losses) Related to Assets and Liabilities Accounted for Under the Fair Value Option 134 30
Market making and similar activities | Loans reported as trading account assets    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Gains (Losses) Related to Assets and Liabilities Accounted for Under the Fair Value Option 112 (15)
Market making and similar activities | Trading inventory – other    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Gains (Losses) Related to Assets and Liabilities Accounted for Under the Fair Value Option 1,707 1,911
Market making and similar activities | Consumer and commercial loans    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Gains (Losses) Related to Assets and Liabilities Accounted for Under the Fair Value Option 18 20
Market making and similar activities | Loans held-for-sale    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Gains (Losses) Related to Assets and Liabilities Accounted for Under the Fair Value Option 0 0
Market making and similar activities | Short-term borrowings    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Gains (Losses) Related to Assets and Liabilities Accounted for Under the Fair Value Option 41 (2)
Market making and similar activities | Unfunded loan commitments    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Gains (Losses) Related to Assets and Liabilities Accounted for Under the Fair Value Option 0 0
Market making and similar activities | Accrued expenses and other liabilities    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Gains (Losses) Related to Assets and Liabilities Accounted for Under the Fair Value Option (7) 161
Market making and similar activities | Long-term debt    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Gains (Losses) Related to Assets and Liabilities Accounted for Under the Fair Value Option (255) 209
Market making and similar activities | Other    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Gains (Losses) Related to Assets and Liabilities Accounted for Under the Fair Value Option (115) (8)
Other Income    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Gains (Losses) Related to Assets and Liabilities Accounted for Under the Fair Value Option 28 (39)
Other Income | Federal funds sold and securities borrowed or purchased under agreements to resell    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Gains (Losses) Related to Assets and Liabilities Accounted for Under the Fair Value Option (2) (3)
Other Income | Loans reported as trading account assets    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Gains (Losses) Related to Assets and Liabilities Accounted for Under the Fair Value Option 0 0
Other Income | Trading inventory – other    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Gains (Losses) Related to Assets and Liabilities Accounted for Under the Fair Value Option 0 0
Other Income | Consumer and commercial loans    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Gains (Losses) Related to Assets and Liabilities Accounted for Under the Fair Value Option 1 5
Other Income | Loans held-for-sale    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Gains (Losses) Related to Assets and Liabilities Accounted for Under the Fair Value Option 60 (10)
Other Income | Short-term borrowings    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Gains (Losses) Related to Assets and Liabilities Accounted for Under the Fair Value Option 0 0
Other Income | Unfunded loan commitments    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Gains (Losses) Related to Assets and Liabilities Accounted for Under the Fair Value Option (9) (14)
Other Income | Accrued expenses and other liabilities    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Gains (Losses) Related to Assets and Liabilities Accounted for Under the Fair Value Option 0 0
Other Income | Long-term debt    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Gains (Losses) Related to Assets and Liabilities Accounted for Under the Fair Value Option (12) (13)
Other Income | Other    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Gains (Losses) Related to Assets and Liabilities Accounted for Under the Fair Value Option $ (10) $ (4)