XML 70 R56.htm IDEA: XBRL DOCUMENT v3.10.0.1
Fair Value Measurement - Recurring Basis (Details) - USD ($)
Sep. 30, 2018
Jun. 30, 2018
Dec. 31, 2017
Sep. 30, 2017
Jun. 30, 2017
Dec. 31, 2016
Assets and liabilities measured at fair value on a recurring basis            
Gross derivative receivables $ 543,148,000,000   $ 559,553,000,000      
Derivative netting adjustments (483,086,000,000)   (503,030,000,000)      
Net derivative receivables 60,062,000,000   56,523,000,000      
Trading assets 419,827,000,000   381,844,000,000      
Available-for-sale securities 200,030,000,000   201,678,000,000      
Available-for-sale securities     202,225,000,000      
Loans 2,987,000,000   2,508,000,000      
Mortgage servicing rights 6,433,000,000 $ 6,241,000,000 6,030,000,000 $ 5,738,000,000 $ 5,753,000,000 $ 6,096,000,000
Gross derivative payables 509,406,000,000   530,806,000,000      
Derivative netting adjustments (467,713,000,000)   (493,029,000,000)      
Net derivative payables 41,693,000,000   37,777,000,000      
Interest rate            
Assets and liabilities measured at fair value on a recurring basis            
Gross derivative receivables 261,459,000,000   315,992,000,000      
Derivative netting adjustments (238,062,000,000)   (291,319,000,000)      
Net derivative receivables 23,397,000,000   24,673,000,000      
Gross derivative payables 234,233,000,000   284,436,000,000      
Derivative netting adjustments (227,142,000,000)   (277,306,000,000)      
Net derivative payables 7,091,000,000   7,129,000,000      
Credit            
Assets and liabilities measured at fair value on a recurring basis            
Gross derivative receivables 23,505,000,000   23,205,000,000      
Derivative netting adjustments (22,923,000,000)   (22,335,000,000)      
Net derivative receivables 582,000,000   869,000,000      
Gross derivative payables 23,360,000,000   23,252,000,000      
Derivative netting adjustments (21,908,000,000)   (21,954,000,000)      
Net derivative payables 1,452,000,000   1,299,000,000      
Foreign exchange            
Assets and liabilities measured at fair value on a recurring basis            
Gross derivative receivables 188,884,000,000   160,231,000,000      
Derivative netting adjustments (171,841,000,000)   (144,081,000,000)      
Net derivative receivables 17,043,000,000   16,151,000,000      
Gross derivative payables 177,619,000,000   155,822,000,000      
Derivative netting adjustments (165,217,000,000)   (143,349,000,000)      
Net derivative payables 12,402,000,000   12,473,000,000      
Equity            
Assets and liabilities measured at fair value on a recurring basis            
Gross derivative receivables 46,932,000,000   40,040,000,000      
Derivative netting adjustments (36,828,000,000)   (32,158,000,000)      
Net derivative receivables 10,104,000,000   7,882,000,000      
Gross derivative payables 51,355,000,000   45,395,000,000      
Derivative netting adjustments (39,377,000,000)   (36,203,000,000)      
Net derivative payables 11,978,000,000   9,192,000,000      
Commodity            
Assets and liabilities measured at fair value on a recurring basis            
Gross derivative receivables 22,368,000,000   20,085,000,000      
Derivative netting adjustments (13,432,000,000)   (13,137,000,000)      
Net derivative receivables 8,936,000,000   6,948,000,000      
Gross derivative payables 22,839,000,000   21,901,000,000      
Derivative netting adjustments (14,069,000,000)   (14,217,000,000)      
Net derivative payables 8,770,000,000   7,684,000,000      
Total mortgage-backed securities            
Assets and liabilities measured at fair value on a recurring basis            
Available-for-sale securities 79,375,000,000   86,672,000,000      
Mortgage-backed securities, Commercial - nonagency            
Assets and liabilities measured at fair value on a recurring basis            
Available-for-sale securities 7,048,000,000   5,025,000,000      
U.S. Treasury and government agencies            
Assets and liabilities measured at fair value on a recurring basis            
Available-for-sale securities 27,816,000,000   22,745,000,000      
Obligations of U.S. states and municipalities            
Assets and liabilities measured at fair value on a recurring basis            
Available-for-sale securities 38,121,000,000   32,338,000,000      
Certificates of deposit            
Assets and liabilities measured at fair value on a recurring basis            
Available-for-sale securities 75,000,000   59,000,000      
Non-U.S. government debt securities            
Assets and liabilities measured at fair value on a recurring basis            
Available-for-sale securities 24,674,000,000   27,294,000,000      
Corporate debt securities            
Assets and liabilities measured at fair value on a recurring basis            
Available-for-sale securities 2,056,000,000   2,757,000,000      
Asset-backed securities            
Assets and liabilities measured at fair value on a recurring basis            
Available-for-sale securities 27,913,000,000          
Asset-backed securities, Collateralized loan obligations            
Assets and liabilities measured at fair value on a recurring basis            
Available-for-sale securities 20,109,000,000   20,996,000,000      
U.S. government-sponsored enterprise obligations            
Assets and liabilities measured at fair value on a recurring basis            
Available-for-sale securities 44,200,000,000   45,800,000,000      
Residential mortgage            
Assets and liabilities measured at fair value on a recurring basis            
Trading assets, debt and equity instruments 13,800,000,000   11,400,000,000      
Commercial mortgage            
Assets and liabilities measured at fair value on a recurring basis            
Trading assets, debt and equity instruments 2,600,000,000   4,200,000,000      
Residential conforming mortgage intended for sale to government agency            
Assets and liabilities measured at fair value on a recurring basis            
Trading assets, debt and equity instruments 9,200,000,000   5,700,000,000      
Reverse mortgage            
Assets and liabilities measured at fair value on a recurring basis            
Trading assets, debt and equity instruments 0   836,000,000      
Fair Value Measured at Net Asset Value Per Share            
Assets and liabilities measured at fair value on a recurring basis            
Trading assets 55,000,000   54,000,000      
Fair value assets and liabilities measured on recurring basis - supplemental data            
Alternative investments, net asset value, fair value 767,000,000   779,000,000      
Other assets 712,000,000   725,000,000      
Recurring            
Assets and liabilities measured at fair value on a recurring basis            
Federal funds sold and securities purchased under resale agreements 12,226,000,000   14,732,000,000      
Securities borrowed 4,528,000,000   3,049,000,000      
Trading assets, debt and equity instruments 359,710,000,000   325,267,000,000      
Derivative netting adjustments (483,086,000,000)   (503,030,000,000)      
Net derivative receivables 60,062,000,000   56,523,000,000      
Trading assets 419,772,000,000   381,790,000,000      
Available-for-sale securities 200,030,000,000          
Available-for-sale securities     202,225,000,000      
Loans 2,987,000,000   2,508,000,000      
Mortgage servicing rights 6,433,000,000   6,030,000,000      
Total assets measured at fair value on a recurring basis 657,743,000,000   625,737,000,000      
Deposits 20,500,000,000   21,321,000,000      
Federal funds purchased and securities loaned or sold under repurchase agreements 1,059,000,000   697,000,000      
Short-term borrowings 7,885,000,000   9,191,000,000      
Trading liabilities, Debt and equity instruments 109,457,000,000   85,886,000,000      
Derivative netting adjustments (467,713,000,000)   (493,029,000,000)      
Net derivative payables 41,693,000,000   37,777,000,000      
Trading liabilities 151,150,000,000   123,663,000,000      
Accounts payable and other liabilities 5,159,000,000   9,208,000,000      
Beneficial interests issued by consolidated VIEs 17,000,000   45,000,000      
Long-term debt 54,112,000,000   47,519,000,000      
Total liabilities measured at fair value on a recurring basis 239,882,000,000   211,644,000,000      
Recurring | Interest rate            
Assets and liabilities measured at fair value on a recurring basis            
Derivative netting adjustments (238,062,000,000)   (291,319,000,000)      
Net derivative receivables 23,397,000,000   24,673,000,000      
Derivative netting adjustments (227,142,000,000)   (277,306,000,000)      
Net derivative payables 7,091,000,000   7,129,000,000      
Recurring | Credit            
Assets and liabilities measured at fair value on a recurring basis            
Derivative netting adjustments (22,923,000,000)   (22,335,000,000)      
Net derivative receivables 582,000,000   869,000,000      
Derivative netting adjustments (21,908,000,000)   (21,954,000,000)      
Net derivative payables 1,452,000,000   1,299,000,000      
Recurring | Foreign exchange            
Assets and liabilities measured at fair value on a recurring basis            
Derivative netting adjustments (171,841,000,000)   (144,081,000,000)      
Net derivative receivables 17,043,000,000   16,151,000,000      
Derivative netting adjustments (165,217,000,000)   (143,349,000,000)      
Net derivative payables 12,402,000,000   12,473,000,000      
Recurring | Equity            
Assets and liabilities measured at fair value on a recurring basis            
Derivative netting adjustments (36,828,000,000)   (32,158,000,000)      
Net derivative receivables 10,104,000,000   7,882,000,000      
Derivative netting adjustments (39,377,000,000)   (36,203,000,000)      
Net derivative payables 11,978,000,000   9,192,000,000      
Recurring | Commodity            
Assets and liabilities measured at fair value on a recurring basis            
Derivative netting adjustments (13,432,000,000)   (13,137,000,000)      
Net derivative receivables 8,936,000,000   6,948,000,000      
Derivative netting adjustments (14,069,000,000)   (14,217,000,000)      
Net derivative payables 8,770,000,000   7,684,000,000      
Recurring | Other assets            
Assets and liabilities measured at fair value on a recurring basis            
Other assets 11,767,000,000   15,403,000,000      
Fair value assets and liabilities measured on recurring basis - supplemental data            
Other assets 12,479,000,000   16,128,000,000      
Recurring | Total debt instruments            
Assets and liabilities measured at fair value on a recurring basis            
Trading assets, debt and equity instruments 234,691,000,000   216,296,000,000      
Recurring | Total mortgage-backed securities            
Assets and liabilities measured at fair value on a recurring basis            
Trading assets, debt and equity instruments 49,972,000,000   45,373,000,000      
Available-for-sale securities 79,375,000,000          
Available-for-sale securities     86,672,000,000      
Recurring | Mortgage-backed securities, U.S. government agencies            
Assets and liabilities measured at fair value on a recurring basis            
Trading assets, debt and equity instruments 46,781,000,000   41,822,000,000      
Available-for-sale securities 63,110,000,000          
Available-for-sale securities     70,280,000,000      
Recurring | Mortgage-backed securities, Residential - nonagency            
Assets and liabilities measured at fair value on a recurring basis            
Trading assets, debt and equity instruments 1,758,000,000   1,895,000,000      
Available-for-sale securities 9,217,000,000          
Available-for-sale securities     11,367,000,000      
Recurring | Mortgage-backed securities, Commercial - nonagency            
Assets and liabilities measured at fair value on a recurring basis            
Trading assets, debt and equity instruments 1,433,000,000   1,656,000,000      
Available-for-sale securities 7,048,000,000          
Available-for-sale securities     5,025,000,000      
Recurring | U.S. Treasury and government agencies            
Assets and liabilities measured at fair value on a recurring basis            
Trading assets, debt and equity instruments 48,258,000,000   37,234,000,000      
Available-for-sale securities 27,816,000,000          
Available-for-sale securities     22,745,000,000      
Recurring | Obligations of U.S. states and municipalities            
Assets and liabilities measured at fair value on a recurring basis            
Trading assets, debt and equity instruments 9,484,000,000   9,811,000,000      
Available-for-sale securities 38,121,000,000          
Available-for-sale securities     32,338,000,000      
Recurring | Certificates of deposit, bankers’ acceptances and commercial paper            
Assets and liabilities measured at fair value on a recurring basis            
Trading assets, debt and equity instruments 3,070,000,000   226,000,000      
Recurring | Certificates of deposit            
Assets and liabilities measured at fair value on a recurring basis            
Available-for-sale securities 75,000,000          
Available-for-sale securities     59,000,000      
Recurring | Non-U.S. government debt securities            
Assets and liabilities measured at fair value on a recurring basis            
Trading assets, debt and equity instruments 55,863,000,000   57,796,000,000      
Available-for-sale securities 24,674,000,000          
Available-for-sale securities     27,294,000,000      
Recurring | Corporate debt securities            
Assets and liabilities measured at fair value on a recurring basis            
Trading assets, debt and equity instruments 23,605,000,000   24,458,000,000      
Available-for-sale securities 2,056,000,000          
Available-for-sale securities     2,757,000,000      
Recurring | Loans            
Assets and liabilities measured at fair value on a recurring basis            
Trading assets, debt and equity instruments 41,584,000,000   37,961,000,000      
Recurring | Asset-backed securities            
Assets and liabilities measured at fair value on a recurring basis            
Trading assets, debt and equity instruments 2,855,000,000   3,437,000,000      
Recurring | Asset-backed securities, Collateralized loan obligations            
Assets and liabilities measured at fair value on a recurring basis            
Available-for-sale securities 20,109,000,000          
Available-for-sale securities     20,996,000,000      
Recurring | Asset-backed securities, Other            
Assets and liabilities measured at fair value on a recurring basis            
Available-for-sale securities 7,804,000,000          
Available-for-sale securities     8,817,000,000      
Recurring | Equity securities            
Assets and liabilities measured at fair value on a recurring basis            
Trading assets, debt and equity instruments 105,435,000,000   87,838,000,000      
Available-for-sale securities     547,000,000      
Recurring | Physical commodities            
Assets and liabilities measured at fair value on a recurring basis            
Trading assets, debt and equity instruments 4,983,000,000   6,246,000,000      
Recurring | Other            
Assets and liabilities measured at fair value on a recurring basis            
Trading assets, debt and equity instruments 14,601,000,000   14,887,000,000      
Recurring | U.S. government-sponsored enterprise obligations            
Assets and liabilities measured at fair value on a recurring basis            
Trading assets, debt and equity instruments 77,300,000,000   78,000,000,000.0      
Recurring | Level 1            
Assets and liabilities measured at fair value on a recurring basis            
Federal funds sold and securities purchased under resale agreements 0   0      
Securities borrowed 0   0      
Trading assets, debt and equity instruments 176,067,000,000   151,915,000,000      
Gross derivative receivables 1,449,000,000   1,022,000,000      
Trading assets 177,516,000,000   152,937,000,000      
Available-for-sale securities 44,360,000,000          
Available-for-sale securities     41,432,000,000      
Loans 0   0      
Mortgage servicing rights 0   0      
Total assets measured at fair value on a recurring basis 232,560,000,000   208,164,000,000      
Deposits 0   0      
Federal funds purchased and securities loaned or sold under repurchase agreements 0   0      
Short-term borrowings 0   0      
Trading liabilities, Debt and equity instruments 84,958,000,000   64,664,000,000      
Gross derivative payables 1,190,000,000   964,000,000      
Trading liabilities 86,148,000,000   65,628,000,000      
Accounts payable and other liabilities 5,127,000,000   9,074,000,000      
Beneficial interests issued by consolidated VIEs 0   0      
Long-term debt 0   0      
Total liabilities measured at fair value on a recurring basis 91,275,000,000   74,702,000,000      
Recurring | Level 1 | Interest rate            
Assets and liabilities measured at fair value on a recurring basis            
Gross derivative receivables 715,000,000   181,000,000      
Gross derivative payables 310,000,000   170,000,000      
Recurring | Level 1 | Credit            
Assets and liabilities measured at fair value on a recurring basis            
Gross derivative receivables 0   0      
Gross derivative payables   0      
Recurring | Level 1 | Foreign exchange            
Assets and liabilities measured at fair value on a recurring basis            
Gross derivative receivables 734,000,000   841,000,000      
Gross derivative payables 880,000,000   794,000,000      
Recurring | Level 1 | Equity            
Assets and liabilities measured at fair value on a recurring basis            
Gross derivative receivables 0   0      
Gross derivative payables 0   0      
Recurring | Level 1 | Commodity            
Assets and liabilities measured at fair value on a recurring basis            
Gross derivative receivables 0   0      
Gross derivative payables 0   0      
Recurring | Level 1 | Other assets            
Assets and liabilities measured at fair value on a recurring basis            
Other assets 10,684,000,000   13,795,000,000      
Recurring | Level 1 | Total debt instruments            
Assets and liabilities measured at fair value on a recurring basis            
Trading assets, debt and equity instruments 67,639,000,000   59,645,000,000      
Recurring | Level 1 | Total mortgage-backed securities            
Assets and liabilities measured at fair value on a recurring basis            
Trading assets, debt and equity instruments 0   0      
Available-for-sale securities 0          
Available-for-sale securities     0      
Recurring | Level 1 | Mortgage-backed securities, U.S. government agencies            
Assets and liabilities measured at fair value on a recurring basis            
Trading assets, debt and equity instruments 0   0      
Available-for-sale securities 0          
Available-for-sale securities     0      
Recurring | Level 1 | Mortgage-backed securities, Residential - nonagency            
Assets and liabilities measured at fair value on a recurring basis            
Trading assets, debt and equity instruments 0   0      
Available-for-sale securities 0          
Available-for-sale securities     0      
Recurring | Level 1 | Mortgage-backed securities, Commercial - nonagency            
Assets and liabilities measured at fair value on a recurring basis            
Trading assets, debt and equity instruments 0   0      
Available-for-sale securities 0          
Available-for-sale securities     0      
Recurring | Level 1 | U.S. Treasury and government agencies            
Assets and liabilities measured at fair value on a recurring basis            
Trading assets, debt and equity instruments 40,815,000,000   30,758,000,000      
Available-for-sale securities 27,816,000,000          
Available-for-sale securities     22,745,000,000      
Recurring | Level 1 | Obligations of U.S. states and municipalities            
Assets and liabilities measured at fair value on a recurring basis            
Trading assets, debt and equity instruments 0   0      
Available-for-sale securities 0          
Available-for-sale securities     0      
Recurring | Level 1 | Certificates of deposit, bankers’ acceptances and commercial paper            
Assets and liabilities measured at fair value on a recurring basis            
Trading assets, debt and equity instruments 0   0      
Recurring | Level 1 | Certificates of deposit            
Assets and liabilities measured at fair value on a recurring basis            
Available-for-sale securities 0          
Available-for-sale securities     0      
Recurring | Level 1 | Non-U.S. government debt securities            
Assets and liabilities measured at fair value on a recurring basis            
Trading assets, debt and equity instruments 26,824,000,000   28,887,000,000      
Available-for-sale securities 16,544,000,000          
Available-for-sale securities     18,140,000,000      
Recurring | Level 1 | Corporate debt securities            
Assets and liabilities measured at fair value on a recurring basis            
Trading assets, debt and equity instruments 0   0      
Available-for-sale securities 0          
Available-for-sale securities     0      
Recurring | Level 1 | Loans            
Assets and liabilities measured at fair value on a recurring basis            
Trading assets, debt and equity instruments 0   0      
Recurring | Level 1 | Asset-backed securities            
Assets and liabilities measured at fair value on a recurring basis            
Trading assets, debt and equity instruments 0   0      
Recurring | Level 1 | Asset-backed securities, Collateralized loan obligations            
Assets and liabilities measured at fair value on a recurring basis            
Available-for-sale securities 0          
Available-for-sale securities     0      
Recurring | Level 1 | Asset-backed securities, Other            
Assets and liabilities measured at fair value on a recurring basis            
Available-for-sale securities 0          
Available-for-sale securities     0      
Recurring | Level 1 | Equity securities            
Assets and liabilities measured at fair value on a recurring basis            
Trading assets, debt and equity instruments 104,701,000,000   87,346,000,000      
Available-for-sale securities     547,000,000      
Recurring | Level 1 | Physical commodities            
Assets and liabilities measured at fair value on a recurring basis            
Trading assets, debt and equity instruments 3,727,000,000   4,924,000,000      
Recurring | Level 1 | Other            
Assets and liabilities measured at fair value on a recurring basis            
Trading assets, debt and equity instruments 0   0      
Recurring | Level 2            
Assets and liabilities measured at fair value on a recurring basis            
Federal funds sold and securities purchased under resale agreements 12,226,000,000   14,732,000,000      
Securities borrowed 4,528,000,000   3,049,000,000      
Trading assets, debt and equity instruments 179,415,000,000   167,982,000,000      
Gross derivative receivables 534,594,000,000   552,533,000,000      
Trading assets 714,009,000,000   720,515,000,000      
Available-for-sale securities 155,608,000,000          
Available-for-sale securities     160,516,000,000      
Loans 2,847,000,000   2,232,000,000      
Mortgage servicing rights 0   0      
Total assets measured at fair value on a recurring basis 889,238,000,000   901,387,000,000      
Deposits 16,060,000,000   17,179,000,000      
Federal funds purchased and securities loaned or sold under repurchase agreements 1,059,000,000   697,000,000      
Short-term borrowings 5,914,000,000   7,526,000,000      
Trading liabilities, Debt and equity instruments 24,403,000,000   21,183,000,000      
Gross derivative payables 498,725,000,000   519,594,000,000      
Trading liabilities 523,128,000,000   540,777,000,000      
Accounts payable and other liabilities 20,000,000   121,000,000      
Beneficial interests issued by consolidated VIEs 16,000,000   6,000,000      
Long-term debt 34,074,000,000   31,394,000,000      
Total liabilities measured at fair value on a recurring basis 580,271,000,000   597,700,000,000      
Recurring | Level 2 | Interest rate            
Assets and liabilities measured at fair value on a recurring basis            
Gross derivative receivables 258,744,000,000   314,107,000,000      
Gross derivative payables 232,614,000,000   282,825,000,000      
Recurring | Level 2 | Credit            
Assets and liabilities measured at fair value on a recurring basis            
Gross derivative receivables 22,553,000,000   21,995,000,000      
Gross derivative payables 22,435,000,000   22,009,000,000      
Recurring | Level 2 | Foreign exchange            
Assets and liabilities measured at fair value on a recurring basis            
Gross derivative receivables 187,377,000,000   158,834,000,000      
Gross derivative payables 175,664,000,000   154,075,000,000      
Recurring | Level 2 | Equity            
Assets and liabilities measured at fair value on a recurring basis            
Gross derivative receivables 43,791,000,000   37,722,000,000      
Gross derivative payables 45,937,000,000   39,668,000,000      
Recurring | Level 2 | Commodity            
Assets and liabilities measured at fair value on a recurring basis            
Gross derivative receivables 22,129,000,000   19,875,000,000      
Gross derivative payables 22,075,000,000   21,017,000,000      
Recurring | Level 2 | Other assets            
Assets and liabilities measured at fair value on a recurring basis            
Other assets 20,000,000   343,000,000      
Recurring | Level 2 | Total debt instruments            
Assets and liabilities measured at fair value on a recurring basis            
Trading assets, debt and equity instruments 163,566,000,000   152,266,000,000      
Recurring | Level 2 | Total mortgage-backed securities            
Assets and liabilities measured at fair value on a recurring basis            
Trading assets, debt and equity instruments 49,353,000,000   44,995,000,000      
Available-for-sale securities 79,374,000,000          
Available-for-sale securities     86,671,000,000      
Recurring | Level 2 | Mortgage-backed securities, U.S. government agencies            
Assets and liabilities measured at fair value on a recurring basis            
Trading assets, debt and equity instruments 46,252,000,000   41,515,000,000      
Available-for-sale securities 63,110,000,000          
Available-for-sale securities     70,280,000,000      
Recurring | Level 2 | Mortgage-backed securities, Residential - nonagency            
Assets and liabilities measured at fair value on a recurring basis            
Trading assets, debt and equity instruments 1,681,000,000   1,835,000,000      
Available-for-sale securities 9,216,000,000          
Available-for-sale securities     11,366,000,000      
Recurring | Level 2 | Mortgage-backed securities, Commercial - nonagency            
Assets and liabilities measured at fair value on a recurring basis            
Trading assets, debt and equity instruments 1,420,000,000   1,645,000,000      
Available-for-sale securities 7,048,000,000          
Available-for-sale securities     5,025,000,000      
Recurring | Level 2 | U.S. Treasury and government agencies            
Assets and liabilities measured at fair value on a recurring basis            
Trading assets, debt and equity instruments 7,443,000,000   6,475,000,000      
Available-for-sale securities 0          
Available-for-sale securities     0      
Recurring | Level 2 | Obligations of U.S. states and municipalities            
Assets and liabilities measured at fair value on a recurring basis            
Trading assets, debt and equity instruments 8,785,000,000   9,067,000,000      
Available-for-sale securities 38,121,000,000          
Available-for-sale securities     32,338,000,000      
Recurring | Level 2 | Certificates of deposit, bankers’ acceptances and commercial paper            
Assets and liabilities measured at fair value on a recurring basis            
Trading assets, debt and equity instruments 3,070,000,000   226,000,000      
Recurring | Level 2 | Certificates of deposit            
Assets and liabilities measured at fair value on a recurring basis            
Available-for-sale securities 75,000,000          
Available-for-sale securities     59,000,000      
Recurring | Level 2 | Non-U.S. government debt securities            
Assets and liabilities measured at fair value on a recurring basis            
Trading assets, debt and equity instruments 28,875,000,000   28,831,000,000      
Available-for-sale securities 8,130,000,000          
Available-for-sale securities     9,154,000,000      
Recurring | Level 2 | Corporate debt securities            
Assets and liabilities measured at fair value on a recurring basis            
Trading assets, debt and equity instruments 23,210,000,000   24,146,000,000      
Available-for-sale securities 2,056,000,000          
Available-for-sale securities     2,757,000,000      
Recurring | Level 2 | Loans            
Assets and liabilities measured at fair value on a recurring basis            
Trading assets, debt and equity instruments 40,051,000,000   35,242,000,000      
Recurring | Level 2 | Asset-backed securities            
Assets and liabilities measured at fair value on a recurring basis            
Trading assets, debt and equity instruments 2,779,000,000   3,284,000,000      
Recurring | Level 2 | Asset-backed securities, Collateralized loan obligations            
Assets and liabilities measured at fair value on a recurring basis            
Available-for-sale securities 20,048,000,000          
Available-for-sale securities     20,720,000,000      
Recurring | Level 2 | Asset-backed securities, Other            
Assets and liabilities measured at fair value on a recurring basis            
Available-for-sale securities 7,804,000,000          
Available-for-sale securities     8,817,000,000      
Recurring | Level 2 | Equity securities            
Assets and liabilities measured at fair value on a recurring basis            
Trading assets, debt and equity instruments 405,000,000   197,000,000      
Available-for-sale securities     0      
Recurring | Level 2 | Physical commodities            
Assets and liabilities measured at fair value on a recurring basis            
Trading assets, debt and equity instruments 1,256,000,000   1,322,000,000      
Recurring | Level 2 | Other            
Assets and liabilities measured at fair value on a recurring basis            
Trading assets, debt and equity instruments 14,188,000,000   14,197,000,000      
Recurring | Level 3            
Assets and liabilities measured at fair value on a recurring basis            
Federal funds sold and securities purchased under resale agreements 0   0      
Securities borrowed 0   0      
Trading assets, debt and equity instruments 4,228,000,000   5,370,000,000      
Gross derivative receivables 7,105,000,000   5,998,000,000      
Trading assets 11,333,000,000   11,368,000,000      
Available-for-sale securities 62,000,000          
Available-for-sale securities     277,000,000      
Loans 140,000,000   276,000,000      
Mortgage servicing rights 6,433,000,000   6,030,000,000      
Total assets measured at fair value on a recurring basis 19,031,000,000   19,216,000,000      
Deposits 4,440,000,000   4,142,000,000      
Federal funds purchased and securities loaned or sold under repurchase agreements 0   0      
Short-term borrowings 1,971,000,000   1,665,000,000      
Trading liabilities, Debt and equity instruments 96,000,000   39,000,000      
Gross derivative payables 9,491,000,000   10,248,000,000      
Trading liabilities 9,587,000,000   10,287,000,000      
Accounts payable and other liabilities 12,000,000   13,000,000      
Beneficial interests issued by consolidated VIEs 1,000,000   39,000,000      
Long-term debt 20,038,000,000   16,125,000,000      
Total liabilities measured at fair value on a recurring basis 36,049,000,000   32,271,000,000      
Recurring | Level 3 | Interest rate            
Assets and liabilities measured at fair value on a recurring basis            
Gross derivative receivables 2,000,000,000   1,704,000,000      
Gross derivative payables 1,309,000,000   1,440,000,000      
Recurring | Level 3 | Credit            
Assets and liabilities measured at fair value on a recurring basis            
Gross derivative receivables 952,000,000   1,209,000,000      
Gross derivative payables 925,000,000   1,244,000,000      
Recurring | Level 3 | Foreign exchange            
Assets and liabilities measured at fair value on a recurring basis            
Gross derivative receivables 773,000,000   557,000,000      
Gross derivative payables 1,075,000,000   953,000,000      
Recurring | Level 3 | Equity            
Assets and liabilities measured at fair value on a recurring basis            
Gross derivative receivables 3,141,000,000   2,318,000,000      
Gross derivative payables 5,418,000,000   5,727,000,000      
Recurring | Level 3 | Commodity            
Assets and liabilities measured at fair value on a recurring basis            
Gross derivative receivables 239,000,000   210,000,000      
Gross derivative payables 764,000,000   884,000,000      
Recurring | Level 3 | Other assets            
Assets and liabilities measured at fair value on a recurring basis            
Other assets 1,063,000,000   1,265,000,000      
Recurring | Level 3 | Total debt instruments            
Assets and liabilities measured at fair value on a recurring basis            
Trading assets, debt and equity instruments 3,486,000,000   4,385,000,000      
Recurring | Level 3 | Total mortgage-backed securities            
Assets and liabilities measured at fair value on a recurring basis            
Trading assets, debt and equity instruments 619,000,000   378,000,000      
Available-for-sale securities 1,000,000          
Available-for-sale securities     1,000,000      
Recurring | Level 3 | Mortgage-backed securities, U.S. government agencies            
Assets and liabilities measured at fair value on a recurring basis            
Trading assets, debt and equity instruments 529,000,000   307,000,000      
Available-for-sale securities 0          
Available-for-sale securities     0      
Recurring | Level 3 | Mortgage-backed securities, Residential - nonagency            
Assets and liabilities measured at fair value on a recurring basis            
Trading assets, debt and equity instruments 77,000,000   60,000,000      
Available-for-sale securities 1,000,000          
Available-for-sale securities     1,000,000      
Recurring | Level 3 | Mortgage-backed securities, Commercial - nonagency            
Assets and liabilities measured at fair value on a recurring basis            
Trading assets, debt and equity instruments 13,000,000   11,000,000      
Available-for-sale securities 0          
Available-for-sale securities     0      
Recurring | Level 3 | U.S. Treasury and government agencies            
Assets and liabilities measured at fair value on a recurring basis            
Trading assets, debt and equity instruments 0   1,000,000      
Available-for-sale securities 0          
Available-for-sale securities     0      
Recurring | Level 3 | Obligations of U.S. states and municipalities            
Assets and liabilities measured at fair value on a recurring basis            
Trading assets, debt and equity instruments 699,000,000   744,000,000      
Available-for-sale securities 0          
Available-for-sale securities     0      
Recurring | Level 3 | Certificates of deposit, bankers’ acceptances and commercial paper            
Assets and liabilities measured at fair value on a recurring basis            
Trading assets, debt and equity instruments 0   0      
Recurring | Level 3 | Certificates of deposit            
Assets and liabilities measured at fair value on a recurring basis            
Available-for-sale securities 0          
Available-for-sale securities     0      
Recurring | Level 3 | Non-U.S. government debt securities            
Assets and liabilities measured at fair value on a recurring basis            
Trading assets, debt and equity instruments 164,000,000   78,000,000      
Available-for-sale securities 0          
Available-for-sale securities     0      
Recurring | Level 3 | Corporate debt securities            
Assets and liabilities measured at fair value on a recurring basis            
Trading assets, debt and equity instruments 395,000,000   312,000,000      
Available-for-sale securities 0          
Available-for-sale securities     0      
Recurring | Level 3 | Loans            
Assets and liabilities measured at fair value on a recurring basis            
Trading assets, debt and equity instruments 1,533,000,000   2,719,000,000      
Recurring | Level 3 | Asset-backed securities            
Assets and liabilities measured at fair value on a recurring basis            
Trading assets, debt and equity instruments 76,000,000   153,000,000      
Recurring | Level 3 | Asset-backed securities, Collateralized loan obligations            
Assets and liabilities measured at fair value on a recurring basis            
Available-for-sale securities 61,000,000          
Available-for-sale securities     276,000,000      
Recurring | Level 3 | Asset-backed securities, Other            
Assets and liabilities measured at fair value on a recurring basis            
Available-for-sale securities 0          
Available-for-sale securities     0      
Recurring | Level 3 | Equity securities            
Assets and liabilities measured at fair value on a recurring basis            
Trading assets, debt and equity instruments 329,000,000   295,000,000      
Available-for-sale securities     0      
Recurring | Level 3 | Physical commodities            
Assets and liabilities measured at fair value on a recurring basis            
Trading assets, debt and equity instruments 0   0      
Recurring | Level 3 | Other            
Assets and liabilities measured at fair value on a recurring basis            
Trading assets, debt and equity instruments $ 413,000,000   $ 690,000,000