Quarterly report pursuant to Section 13 or 15(d)

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

v3.20.2
Fair Value Option - Gains (Losses) Relating to Assets and Liabilities (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Fair Value, Option, Quantitative Disclosures [Line Items]        
Gains (losses) relating to assets and liabilities accounted for under the fair value option $ 506 $ (198) $ (49) $ 3,148
Loans reported as trading account assets        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Gains (losses) relating to assets and liabilities accounted for under the fair value option 58 4 (15) 167
Trading inventory – other        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Gains (losses) relating to assets and liabilities accounted for under the fair value option 709 (156) 1,259 4,211
Consumer and commercial loans        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Gains (losses) relating to assets and liabilities accounted for under the fair value option 100 75 (134) 109
Short-term borrowings        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Gains (losses) relating to assets and liabilities accounted for under the fair value option (38) 0 196 0
Long-term debt        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Gains (losses) relating to assets and liabilities accounted for under the fair value option (353) (147) (1,331) (1,477)
Other        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Gains (losses) relating to assets and liabilities accounted for under the fair value option 26 (15) (3) (26)
Loans held-for-sale        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Gains (losses) relating to assets and liabilities accounted for under the fair value option 22 28 67 110
Unfunded loan commitments        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Gains (losses) relating to assets and liabilities accounted for under the fair value option (18) 13 (88) 54
Market making and similar activities        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Gains (losses) relating to assets and liabilities accounted for under the fair value option 399 (199) 119 3,072
Market making and similar activities | Loans reported as trading account assets        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Gains (losses) relating to assets and liabilities accounted for under the fair value option 58 4 (15) 167
Market making and similar activities | Trading inventory – other        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Gains (losses) relating to assets and liabilities accounted for under the fair value option 709 (156) 1,259 4,211
Market making and similar activities | Consumer and commercial loans        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Gains (losses) relating to assets and liabilities accounted for under the fair value option (2) 81 (49) 98
Market making and similar activities | Short-term borrowings        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Gains (losses) relating to assets and liabilities accounted for under the fair value option (38) 0 196 0
Market making and similar activities | Long-term debt        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Gains (losses) relating to assets and liabilities accounted for under the fair value option (347) (127) (1,300) (1,412)
Market making and similar activities | Other        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Gains (losses) relating to assets and liabilities accounted for under the fair value option 19 (1) 28 8
Market making and similar activities | Loans held-for-sale        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Gains (losses) relating to assets and liabilities accounted for under the fair value option 0 0 0 0
Market making and similar activities | Unfunded loan commitments        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Gains (losses) relating to assets and liabilities accounted for under the fair value option 0 0 0 0
Other Income        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Gains (losses) relating to assets and liabilities accounted for under the fair value option 107 1 (168) 76
Other Income | Loans reported as trading account assets        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Gains (losses) relating to assets and liabilities accounted for under the fair value option 0 0 0 0
Other Income | Trading inventory – other        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Gains (losses) relating to assets and liabilities accounted for under the fair value option 0 0 0 0
Other Income | Consumer and commercial loans        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Gains (losses) relating to assets and liabilities accounted for under the fair value option 102 (6) (85) 11
Other Income | Short-term borrowings        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Gains (losses) relating to assets and liabilities accounted for under the fair value option 0 0 0 0
Other Income | Long-term debt        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Gains (losses) relating to assets and liabilities accounted for under the fair value option (6) (20) (31) (65)
Other Income | Other        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Gains (losses) relating to assets and liabilities accounted for under the fair value option 7 (14) (31) (34)
Other Income | Loans held-for-sale        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Gains (losses) relating to assets and liabilities accounted for under the fair value option 22 28 67 110
Other Income | Unfunded loan commitments        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Gains (losses) relating to assets and liabilities accounted for under the fair value option $ (18) $ 13 $ (88) $ 54