v3.21.2
Fair Value Option - Financial Assets and Financial Liabilities by Level (Detail) - USD ($)
$ in Millions
Jun. 30, 2021
Dec. 31, 2020
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Resale agreements $ 154,123 $ 108,060
Securities borrowed 41,076 28,898
Customer and other receivables 57 82
Total financial assets at fair value 195,256 137,040
Deposits (33,558) (16,176)
Repurchase agreements (151,692) (126,571)
Securities loaned (6,301) (1,053)
Other secured financings (26,170) (24,126)
Unsecured borrowings Short-term (31,871) (26,750)
Unsecured borrowings Long-term (44,396) (40,911)
Other liabilities (164) (263)
Total financial liabilities at fair value (294,152) (235,850)
Level 2 [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Resale agreements 154,123 108,060
Securities borrowed 41,076 28,898
Customer and other receivables 57 82
Total financial assets at fair value 195,256 137,040
Deposits (29,650) (11,955)
Repurchase agreements (151,692) (126,569)
Securities loaned (6,301) (1,053)
Other secured financings (23,279) (20,652)
Unsecured borrowings Short-term (20,410) (19,227)
Unsecured borrowings Long-term (34,682) (28,335)
Other liabilities (2) (1)
Total financial liabilities at fair value (266,016) (207,792)
Level 3 [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Deposits (3,908) (4,221)
Repurchase agreements   (2)
Other secured financings (2,891) (3,474)
Unsecured borrowings Short-term (11,461) (7,523)
Unsecured borrowings Long-term (9,714) (12,576)
Other liabilities (162) (262)
Total financial liabilities at fair value $ (28,136) $ (28,058)