DERIVATIVES - Derivative Mark-to-Market (MTM) Receivables/Payables (Details) - USD ($) $ in Millions	Mar. 31, 2023	Dec. 31, 2022
Assets
Derivative receivables	$ 373,974	$ 444,987
Less: Netting agreements to assets	(292,519)	(346,545)
Less: Netting of cash collateral received	(15,376)	(23,136)
Total trading account derivatives, assets	66,079	75,306
Less: Cash collateral received	(1,094)	(1,455)
Less: Non-cash collateral received	(4,657)	(5,923)
Total net receivables	60,328	67,928
Liabilities
Derivative payables	369,964	436,493
Less: Netting agreements to liabilities	(292,519)	(346,545)
Less: Netting of cash collateral paid	(23,990)	(30,032)
Total derivative liabilities	53,455	59,916
Less: Cash collateral paid	(781)	(2,272)
Less: Non-cash collateral paid	(12,984)	(13,475)
Total net payables	39,690	44,169
Trading account assets
Liabilities
Does not meet applicable offsetting guidance, assets	13,000	14,000
Trading account assets | Over-the-counter
Liabilities
Less: Netting agreements to liabilities	(224,000)	(276,000)
Trading account assets | Cleared
Liabilities
Less: Netting agreements to liabilities	(46,000)	(49,000)
Trading account assets | Exchange traded
Liabilities
Less: Netting agreements to liabilities	(23,000)	(22,000)
Trading accounts liabilities
Liabilities
Does not meet applicable offsetting guidance, liabilities	11,000	11,000
Trading accounts liabilities | Over-the-counter
Assets
Less: Netting agreements to assets	(224,000)	(276,000)
Trading accounts liabilities | Cleared
Assets
Less: Netting agreements to assets	(46,000)	(49,000)
Trading accounts liabilities | Exchange traded
Assets
Less: Netting agreements to assets	(23,000)	(22,000)
Derivative instruments designated as ASC 815 hedges
Assets
Derivative receivables	2,093	2,888
Liabilities
Derivative payables	1,081	1,871
Derivative instruments designated as ASC 815 hedges | Interest rate contracts
Assets
Derivative receivables	600	597
Liabilities
Derivative payables	35	102
Derivative instruments designated as ASC 815 hedges | Interest rate contracts | Over-the-counter
Assets
Derivative receivables	496	468
Liabilities
Derivative payables	0	1
Derivative instruments designated as ASC 815 hedges | Interest rate contracts | Cleared
Assets
Derivative receivables	104	129
Liabilities
Derivative payables	35	101
Derivative instruments designated as ASC 815 hedges | Foreign exchange contracts
Assets
Derivative receivables	1,493	2,291
Liabilities
Derivative payables	1,046	1,769
Derivative instruments designated as ASC 815 hedges | Foreign exchange contracts | Over-the-counter
Assets
Derivative receivables	1,491	2,288
Liabilities
Derivative payables	1,028	1,766
Derivative instruments designated as ASC 815 hedges | Foreign exchange contracts | Cleared
Assets
Derivative receivables	2	3
Liabilities
Derivative payables	18	3
Derivatives instruments not designated as ASC 815 hedges
Assets
Derivative receivables	371,881	442,099
Liabilities
Derivative payables	368,883	434,622
Derivatives instruments not designated as ASC 815 hedges | Interest rate contracts
Assets
Derivative receivables	167,031	177,607
Liabilities
Derivative payables	163,008	172,518
Derivatives instruments not designated as ASC 815 hedges | Interest rate contracts | Over-the-counter
Assets
Derivative receivables	122,577	126,844
Liabilities
Derivative payables	114,593	119,854
Derivatives instruments not designated as ASC 815 hedges | Interest rate contracts | Cleared
Assets
Derivative receivables	44,236	50,515
Liabilities
Derivative payables	48,255	52,566
Derivatives instruments not designated as ASC 815 hedges | Interest rate contracts | Exchange traded
Assets
Derivative receivables	218	248
Liabilities
Derivative payables	160	98
Derivatives instruments not designated as ASC 815 hedges | Foreign exchange contracts
Assets
Derivative receivables	130,121	185,372
Liabilities
Derivative payables	127,686	184,226
Derivatives instruments not designated as ASC 815 hedges | Foreign exchange contracts | Over-the-counter
Assets
Derivative receivables	129,761	184,869
Liabilities
Derivative payables	127,318	183,578
Derivatives instruments not designated as ASC 815 hedges | Foreign exchange contracts | Cleared
Assets
Derivative receivables	359	502
Liabilities
Derivative payables	364	643
Derivatives instruments not designated as ASC 815 hedges | Foreign exchange contracts | Trading account assets | Exchange traded
Assets
Derivative receivables	1	1
Derivatives instruments not designated as ASC 815 hedges | Foreign exchange contracts | Trading accounts liabilities | Exchange traded
Liabilities
Derivative payables	4	5
Derivatives instruments not designated as ASC 815 hedges | Equity contracts
Assets
Derivative receivables	40,505	42,407
Liabilities
Derivative payables	44,599	43,783
Derivatives instruments not designated as ASC 815 hedges | Equity contracts | Over-the-counter
Assets
Derivative receivables	16,295	19,674
Liabilities
Derivative payables	21,467	21,871
Derivatives instruments not designated as ASC 815 hedges | Equity contracts | Cleared
Assets
Derivative receivables	0	1
Liabilities
Derivative payables	6	4
Derivatives instruments not designated as ASC 815 hedges | Equity contracts | Exchange traded
Assets
Derivative receivables	24,210	22,732
Liabilities
Derivative payables	23,126	21,908
Derivatives instruments not designated as ASC 815 hedges | Commodity and other contracts
Assets
Derivative receivables	24,182	28,324
Liabilities
Derivative payables	23,575	26,318
Derivatives instruments not designated as ASC 815 hedges | Commodity and other contracts | Over-the-counter
Assets
Derivative receivables	23,115	27,285
Liabilities
Derivative payables	22,329	24,912
Derivatives instruments not designated as ASC 815 hedges | Commodity and other contracts | Exchange traded
Assets
Derivative receivables	1,067	1,039
Liabilities
Derivative payables	1,246	1,406
Derivatives instruments not designated as ASC 815 hedges | Credit derivatives
Assets
Derivative receivables	10,042	8,389
Liabilities
Derivative payables	10,015	7,777
Derivatives instruments not designated as ASC 815 hedges | Credit derivatives | Over-the-counter
Assets
Derivative receivables	6,977	6,836
Liabilities
Derivative payables	6,868	5,807
Derivatives instruments not designated as ASC 815 hedges | Credit derivatives | Cleared
Assets
Derivative receivables	3,065	1,553
Liabilities
Derivative payables	$ 3,147	$ 1,970