FAIR VALUE MEASUREMENT - Level 3 Fair Value Rollforward (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Trading derivatives, net
Fair value, Derivative assets (liabilities) measured on recurring basis, level 3 fair-value category reconciliation
Balance at beginning of period, asset (liability), net	$ 842	$ (869)	$ (112)	$ (1,207)
Net realized/unrealized gains (losses) included in principal transactions	(287)	625	4,039	1,289
Other	0	0	0	0
Transfers into Level 3	(218)	(499)	(803)	(891)
Transfers out of Level 3	197	924	(965)	1,459
Purchases	(784)	199	(75)	538
Issuances	1	0	27	(84)
Sales	322	(151)	(754)	(720)
Settlements	379	(451)	(905)	(606)
Balance at end of period, asset (liability), net	452	(222)	452	(222)
Unrealized gains (losses) still held	(184)	515	1,081	107
Trading derivatives, net | Interest rate contracts
Fair value, Derivative assets (liabilities) measured on recurring basis, level 3 fair-value category reconciliation
Balance at beginning of period, asset (liability), net	881	1,764	1,726	1,614
Net realized/unrealized gains (losses) included in principal transactions	(278)	(160)	322	(458)
Other	0	0	0	0
Transfers into Level 3	(503)	(79)	(430)	94
Transfers out of Level 3	(12)	56	(815)	377
Purchases	(195)	10	(186)	12
Issuances	1	0	7	(84)
Sales	83	0	77	0
Settlements	(3)	(100)	(727)	(64)
Balance at end of period, asset (liability), net	(26)	1,491	(26)	1,491
Unrealized gains (losses) still held	(142)	(189)	(332)	(216)
Trading derivatives, net | Foreign exchange contracts
Fair value, Derivative assets (liabilities) measured on recurring basis, level 3 fair-value category reconciliation
Balance at beginning of period, asset (liability), net	156	(184)	(89)	52
Net realized/unrealized gains (losses) included in principal transactions	(171)	131	993	52
Other	0	0	0	0
Transfers into Level 3	32	(71)	(443)	(63)
Transfers out of Level 3	(3)	(22)	(9)	(18)
Purchases	(146)	11	29	145
Issuances	0	0	20	0
Sales	212	(3)	(399)	(300)
Settlements	197	(70)	175	(76)
Balance at end of period, asset (liability), net	277	(208)	277	(208)
Unrealized gains (losses) still held	121	121	240	53
Trading derivatives, net | Equity contracts
Fair value, Derivative assets (liabilities) measured on recurring basis, level 3 fair-value category reconciliation
Balance at beginning of period, asset (liability), net	(101)	(2,550)	(2,140)	(3,213)
Net realized/unrealized gains (losses) included in principal transactions	162	538	2,159	1,150
Other	0	0	0	0
Transfers into Level 3	60	(370)	(13)	(968)
Transfers out of Level 3	222	668	429	1,566
Purchases	(347)	134	58	243
Issuances	0	0	0	0
Sales	28	(98)	(288)	(215)
Settlements	37	(295)	(144)	(536)
Balance at end of period, asset (liability), net	61	(1,973)	61	(1,973)
Unrealized gains (losses) still held	(150)	452	1,021	237
Trading derivatives, net | Commodity contracts
Fair value, Derivative assets (liabilities) measured on recurring basis, level 3 fair-value category reconciliation
Balance at beginning of period, asset (liability), net	255	142	422	292
Net realized/unrealized gains (losses) included in principal transactions	110	200	732	750
Other	0	0	0	0
Transfers into Level 3	140	(3)	95	7
Transfers out of Level 3	(134)	106	(543)	(511)
Purchases	(60)	44	60	138
Issuances	0	0	0	0
Sales	(2)	(50)	(144)	(205)
Settlements	(56)	(21)	(369)	(53)
Balance at end of period, asset (liability), net	253	418	253	418
Unrealized gains (losses) still held	151	218	412	272
Trading derivatives, net | Credit derivatives
Fair value, Derivative assets (liabilities) measured on recurring basis, level 3 fair-value category reconciliation
Balance at beginning of period, asset (liability), net	(349)	(41)	(31)	48
Net realized/unrealized gains (losses) included in principal transactions	(110)	(84)	(167)	(205)
Other	0	0	0	0
Transfers into Level 3	53	24	(12)	39
Transfers out of Level 3	124	116	(27)	45
Purchases	(36)	0	(36)	0
Issuances	0	0	0	0
Sales	1	0	0	0
Settlements	204	35	160	123
Balance at end of period, asset (liability), net	(113)	50	(113)	50
Unrealized gains (losses) still held	(164)	(87)	(260)	(239)
Interest-bearing deposits
Fair value, liabilities measured on recurring basis, level 3 fair-value category reconciliation
Balance at beginning of period, liability	18	154	183	206
Net realized/unrealized gains (losses) included in principal transactions, liabilities	0	0	0	0
Net realized/unrealized gains (losses) included in locations other than principal transactions, liabilities	3	(25)	6	(7)
Transfers into Level 3, liabilities	0	0	7	0
Transfers out of Level 3, liabilities	0	0	(122)	(44)
Purchases, liability	0	0	0	0
Issuance, liability	2	14	20	34
Sales, liability	0	0	0	0
Settlements, liability	(1)	(11)	(66)	(21)
Balance at end of period, liability	16	182	16	182
Unrealized gains (losses) still held, liabilities	0	5	0	(146)
Securities loaned and sold under agreements to repurchase
Fair value, liabilities measured on recurring basis, level 3 fair-value category reconciliation
Balance at beginning of period, liability	593	488	643	631
Net realized/unrealized gains (losses) included in principal transactions, liabilities	36	(29)	86	(22)
Net realized/unrealized gains (losses) included in locations other than principal transactions, liabilities	0	0	0	0
Transfers into Level 3, liabilities	0	183	0	183
Transfers out of Level 3, liabilities	0	0	(3)	(483)
Purchases, liability	437	0	453	488
Issuance, liability	33	0	33	0
Sales, liability	0	0	0	0
Settlements, liability	(30)	(44)	(43)	(185)
Balance at end of period, liability	997	656	997	656
Unrealized gains (losses) still held, liabilities	0	6	0	25
Trading account liabilities | Securities sold, not yet purchased
Fair value, liabilities measured on recurring basis, level 3 fair-value category reconciliation
Balance at beginning of period, liability	72	168	65	214
Net realized/unrealized gains (losses) included in principal transactions, liabilities	(10)	(22)	11	39
Net realized/unrealized gains (losses) included in locations other than principal transactions, liabilities	0	0	0	0
Transfers into Level 3, liabilities	13	7	48	69
Transfers out of Level 3, liabilities	(2)	(4)	(21)	(29)
Purchases, liability	46	21	129	41
Issuance, liability	0	0	0	0
Sales, liability	0	0	1	0
Settlements, liability	(36)	(126)	(108)	(168)
Balance at end of period, liability	103	88	103	88
Unrealized gains (losses) still held, liabilities	(13)	4	(6)	4
Trading account liabilities | Other trading liabilities
Fair value, liabilities measured on recurring basis, level 3 fair-value category reconciliation
Balance at beginning of period, liability	0	1	0	26
Net realized/unrealized gains (losses) included in principal transactions, liabilities	(2)	1	(2)	26
Net realized/unrealized gains (losses) included in locations other than principal transactions, liabilities	0	0	0	0
Transfers into Level 3, liabilities	0	0	0	0
Transfers out of Level 3, liabilities	0	0	0	0
Purchases, liability	0	0	0	0
Issuance, liability	0	0	0	0
Sales, liability	0	0	0	0
Settlements, liability	0	0	0	0
Balance at end of period, liability	2	0	2	0
Unrealized gains (losses) still held, liabilities	0	4	0	0
Short-term borrowings
Fair value, liabilities measured on recurring basis, level 3 fair-value category reconciliation
Balance at beginning of period, liability	81	41	105	219
Net realized/unrealized gains (losses) included in principal transactions, liabilities	12	(1)	101	31
Net realized/unrealized gains (losses) included in locations other than principal transactions, liabilities	0	0	0	0
Transfers into Level 3, liabilities	1	2	41	44
Transfers out of Level 3, liabilities	(40)	(12)	(61)	(56)
Purchases, liability	0	0	0	0
Issuance, liability	6	2	82	27
Sales, liability	0	0	0	0
Settlements, liability	(1)	(31)	(31)	(200)
Balance at end of period, liability	35	3	35	3
Unrealized gains (losses) still held, liabilities	(17)	2	(22)	2
Long-term debt
Fair value, Derivative assets (liabilities) measured on recurring basis, level 3 fair-value category reconciliation
Transfers out of Level 3	800	1,100	4,300	7,100
Fair value, liabilities measured on recurring basis, level 3 fair-value category reconciliation
Balance at beginning of period, liability	29,778	25,068	25,509	25,210
Net realized/unrealized gains (losses) included in principal transactions, liabilities	3,734	486	11,979	2,259
Net realized/unrealized gains (losses) included in locations other than principal transactions, liabilities	0	0	0	0
Transfers into Level 3, liabilities	2,831	2,052	9,574	6,921
Transfers out of Level 3, liabilities	(811)	(1,086)	(4,318)	(7,054)
Purchases, liability	0	0	0	0
Issuance, liability	3,838	1,526	13,537	9,071
Sales, liability	0	0	0	0
Settlements, liability	(192)	(1,032)	(613)	(5,847)
Balance at end of period, liability	31,710	26,042	31,710	26,042
Unrealized gains (losses) still held, liabilities	3,336	434	9,530	1,305
Other financial liabilities
Fair value, liabilities measured on recurring basis, level 3 fair-value category reconciliation
Balance at beginning of period, liability	0	4	1	1
Net realized/unrealized gains (losses) included in principal transactions, liabilities	0	0	0	0
Net realized/unrealized gains (losses) included in locations other than principal transactions, liabilities	(8)	0	(7)	(3)
Transfers into Level 3, liabilities	5	0	5	0
Transfers out of Level 3, liabilities	0	0	0	(4)
Purchases, liability	0	0	0	0
Issuance, liability	0	0	0	14
Sales, liability		0	0	0
Settlements, liability	0	(3)	0	(13)
Balance at end of period, liability	13	1	13	1
Unrealized gains (losses) still held, liabilities	0	0	0	0
Securities borrowed and purchased under agreements to resell
Fair value, assets measured on recurring basis, level 3 fair-value category reconciliation
Balance at beginning of period, asset	183	211	231	320
Net realized/unrealized gains (losses) included in principal transactions	(1)	1	(2)	(10)
Net realized/unrealized gains (losses) included in locations other than principal transactions, assets	0	0	0	0
Transfers into Level 3	0	45	0	45
Transfers out of Level 3, assets	0	0	0	(49)
Purchases, assets	128	43	252	319
Issuance, assets	0	0	0	0
Sales, assets	0	0	0	0
Settlements, assets	(169)	(43)	(340)	(368)
Balance at end of period, asset	141	257	141	257
Unrealized gains (losses) still held, assets	3	3	14	25
Trading non-derivative assets
Fair value, assets measured on recurring basis, level 3 fair-value category reconciliation
Balance at beginning of period, asset	3,484	2,986	2,520	3,647
Net realized/unrealized gains (losses) included in principal transactions	50	306	168	743
Net realized/unrealized gains (losses) included in locations other than principal transactions, assets	0	0	0	0
Transfers into Level 3	514	420	1,969	1,451
Transfers out of Level 3, assets	(591)	(376)	(1,461)	(1,087)
Purchases, assets	944	1,084	3,305	3,291
Issuance, assets	11	0	27	4
Sales, assets	(1,137)	(1,378)	(3,245)	(5,003)
Settlements, assets	(5)	0	(13)	(4)
Balance at end of period, asset	3,270	3,042	3,270	3,042
Unrealized gains (losses) still held, assets	(121)	67	(469)	49
Trading non-derivative assets | U.S. government-sponsored agency guaranteed
Fair value, assets measured on recurring basis, level 3 fair-value category reconciliation
Balance at beginning of period, asset	708	376	496
Net realized/unrealized gains (losses) included in principal transactions	(28)	20	(41)
Net realized/unrealized gains (losses) included in locations other than principal transactions, assets	0	0	0
Transfers into Level 3	54	60	181
Transfers out of Level 3, assets	(153)	(52)	(311)
Purchases, assets	310	154	794
Issuance, assets	0	0	0
Sales, assets	(219)	(126)	(447)
Settlements, assets	0	0	0
Balance at end of period, asset	672	432	672	432
Unrealized gains (losses) still held, assets	(33)	17	(53)
Trading non-derivative assets | Residential
Fair value, assets measured on recurring basis, level 3 fair-value category reconciliation
Balance at beginning of period, asset	153	95	104
Net realized/unrealized gains (losses) included in principal transactions	(2)	2	(2)
Net realized/unrealized gains (losses) included in locations other than principal transactions, assets	0	0	0
Transfers into Level 3	25	5	86
Transfers out of Level 3, assets	(22)	(9)	(54)
Purchases, assets	33	19	118
Issuance, assets	0	0	0
Sales, assets	(45)	(51)	(110)
Settlements, assets	0	0	0
Balance at end of period, asset	142	61	142	61
Unrealized gains (losses) still held, assets	(2)	3	(1)
Trading non-derivative assets | Commercial
Fair value, assets measured on recurring basis, level 3 fair-value category reconciliation
Balance at beginning of period, asset	138	87	81
Net realized/unrealized gains (losses) included in principal transactions	(4)	1	(9)
Net realized/unrealized gains (losses) included in locations other than principal transactions, assets	0	0	0
Transfers into Level 3	20	17	117
Transfers out of Level 3, assets	(17)	(12)	(51)
Purchases, assets	5	36	14
Issuance, assets	0	0	0
Sales, assets	(26)	(9)	(36)
Settlements, assets	0	0	0
Balance at end of period, asset	116	120	116	120
Unrealized gains (losses) still held, assets	1	1	7
Trading non-derivative assets | Mortgage-backed securities
Fair value, assets measured on recurring basis, level 3 fair-value category reconciliation
Balance at beginning of period, asset	999	558	681
Net realized/unrealized gains (losses) included in principal transactions	(34)	23	(52)
Net realized/unrealized gains (losses) included in locations other than principal transactions, assets	0	0	0
Transfers into Level 3	99	82	384
Transfers out of Level 3, assets	(192)	(73)	(416)
Purchases, assets	348	209	926
Issuance, assets	0	0	0
Sales, assets	(290)	(186)	(593)
Settlements, assets	0	0	0
Balance at end of period, asset	930	613	930	613
Unrealized gains (losses) still held, assets	(34)	21	(47)
Trading non-derivative assets | U.S. Treasury and federal agency securities
Fair value, assets measured on recurring basis, level 3 fair-value category reconciliation
Balance at beginning of period, asset	1	0	4
Net realized/unrealized gains (losses) included in principal transactions	0	0	(4)
Net realized/unrealized gains (losses) included in locations other than principal transactions, assets	0	0	0
Transfers into Level 3	0	0	2
Transfers out of Level 3, assets	0	0	(1)
Purchases, assets	0	0	0
Issuance, assets	0	0	0
Sales, assets	0	0	0
Settlements, assets	(1)	0	(1)
Balance at end of period, asset	0	0	0	0
Unrealized gains (losses) still held, assets	0	0	0
Trading non-derivative assets | State and municipal
Fair value, assets measured on recurring basis, level 3 fair-value category reconciliation
Balance at beginning of period, asset	80	70	37
Net realized/unrealized gains (losses) included in principal transactions	4	3	9
Net realized/unrealized gains (losses) included in locations other than principal transactions, assets	0	0	0
Transfers into Level 3	4	0	75
Transfers out of Level 3, assets	(6)	0	(26)
Purchases, assets	14	0	15
Issuance, assets	0	0	0
Sales, assets	(74)	(2)	(88)
Settlements, assets	0	0	0
Balance at end of period, asset	22	71	22	71
Unrealized gains (losses) still held, assets	0	4	(1)
Trading non-derivative assets | Foreign government
Fair value, assets measured on recurring basis, level 3 fair-value category reconciliation
Balance at beginning of period, asset	364	141	23
Net realized/unrealized gains (losses) included in principal transactions	(14)	26	(40)
Net realized/unrealized gains (losses) included in locations other than principal transactions, assets	0	0	0
Transfers into Level 3	5	7	304
Transfers out of Level 3, assets	(4)	(98)	(5)
Purchases, assets	70	6	157
Issuance, assets	0	0	0
Sales, assets	(41)	(49)	(59)
Settlements, assets	0	0	0
Balance at end of period, asset	380	33	380	33
Unrealized gains (losses) still held, assets	(9)	4	(19)
Trading non-derivative assets | Corporate
Fair value, assets measured on recurring basis, level 3 fair-value category reconciliation
Balance at beginning of period, asset	537	823	412
Net realized/unrealized gains (losses) included in principal transactions	21	3	89
Net realized/unrealized gains (losses) included in locations other than principal transactions, assets	0	0	0
Transfers into Level 3	193	123	455
Transfers out of Level 3, assets	(72)	(110)	(350)
Purchases, assets	91	246	919
Issuance, assets	0	0	0
Sales, assets	(310)	(544)	(1,065)
Settlements, assets	0	0	0
Balance at end of period, asset	460	541	460	541
Unrealized gains (losses) still held, assets	(15)	16	(109)
Trading non-derivative assets | Marketable equity securities
Fair value, assets measured on recurring basis, level 3 fair-value category reconciliation
Balance at beginning of period, asset	133	147	174
Net realized/unrealized gains (losses) included in principal transactions	48	12	34
Net realized/unrealized gains (losses) included in locations other than principal transactions, assets	0	0	0
Transfers into Level 3	71	55	134
Transfers out of Level 3, assets	(12)	(9)	(99)
Purchases, assets	34	58	142
Issuance, assets	0	0	0
Sales, assets	(87)	(58)	(198)
Settlements, assets	0	0	0
Balance at end of period, asset	187	205	187	205
Unrealized gains (losses) still held, assets	(26)	14	(47)
Trading non-derivative assets | Asset-backed securities
Fair value, assets measured on recurring basis, level 3 fair-value category reconciliation
Balance at beginning of period, asset	554	692	613
Net realized/unrealized gains (losses) included in principal transactions	(7)	101	(26)
Net realized/unrealized gains (losses) included in locations other than principal transactions, assets	0	0	0
Transfers into Level 3	68	128	208
Transfers out of Level 3, assets	(25)	(19)	(192)
Purchases, assets	196	186	589
Issuance, assets	0	0	0
Sales, assets	(174)	(424)	(580)
Settlements, assets	0	0	0
Balance at end of period, asset	612	664	612	664
Unrealized gains (losses) still held, assets	(18)	(28)	(151)
Trading non-derivative assets | Other trading assets
Fair value, assets measured on recurring basis, level 3 fair-value category reconciliation
Balance at beginning of period, asset	816	555	576
Net realized/unrealized gains (losses) included in principal transactions	32	138	158
Net realized/unrealized gains (losses) included in locations other than principal transactions, assets	0	0	0
Transfers into Level 3	74	25	407
Transfers out of Level 3, assets	(280)	(67)	(372)
Purchases, assets	191	379	557
Issuance, assets	11	0	27
Sales, assets	(161)	(115)	(662)
Settlements, assets	(4)	0	(12)
Balance at end of period, asset	679	915	679	915
Unrealized gains (losses) still held, assets	(19)	36	(95)
Trading non-derivative assets | U.S. government-sponsored agency guaranteed
Fair value, assets measured on recurring basis, level 3 fair-value category reconciliation
Balance at beginning of period, asset				27
Net realized/unrealized gains (losses) included in principal transactions				21
Net realized/unrealized gains (losses) included in locations other than principal transactions, assets				0
Transfers into Level 3				312
Transfers out of Level 3, assets				(60)
Purchases, assets				268
Issuance, assets				0
Sales, assets				(136)
Settlements, assets				0
Balance at end of period, asset		432		432
Unrealized gains (losses) still held, assets				31
Trading non-derivative assets | Residential
Fair value, assets measured on recurring basis, level 3 fair-value category reconciliation
Balance at beginning of period, asset				340
Net realized/unrealized gains (losses) included in principal transactions				24
Net realized/unrealized gains (losses) included in locations other than principal transactions, assets				0
Transfers into Level 3				74
Transfers out of Level 3, assets				(77)
Purchases, assets				220
Issuance, assets				0
Sales, assets				(520)
Settlements, assets				0
Balance at end of period, asset		61		61
Unrealized gains (losses) still held, assets				17
Trading non-derivative assets | Commercial
Fair value, assets measured on recurring basis, level 3 fair-value category reconciliation
Balance at beginning of period, asset				136
Net realized/unrealized gains (losses) included in principal transactions				22
Net realized/unrealized gains (losses) included in locations other than principal transactions, assets				0
Transfers into Level 3				93
Transfers out of Level 3, assets				(53)
Purchases, assets				60
Issuance, assets				0
Sales, assets				(138)
Settlements, assets				0
Balance at end of period, asset		120		120
Unrealized gains (losses) still held, assets				2
Trading non-derivative assets | Mortgage-backed securities
Fair value, assets measured on recurring basis, level 3 fair-value category reconciliation
Balance at beginning of period, asset				503
Net realized/unrealized gains (losses) included in principal transactions				67
Net realized/unrealized gains (losses) included in locations other than principal transactions, assets				0
Transfers into Level 3				479
Transfers out of Level 3, assets				(190)
Purchases, assets				548
Issuance, assets				0
Sales, assets				(794)
Settlements, assets				0
Balance at end of period, asset		613		613
Unrealized gains (losses) still held, assets				50
Trading non-derivative assets | U.S. Treasury and federal agency securities
Fair value, assets measured on recurring basis, level 3 fair-value category reconciliation
Balance at beginning of period, asset				0
Net realized/unrealized gains (losses) included in principal transactions				0
Net realized/unrealized gains (losses) included in locations other than principal transactions, assets				0
Transfers into Level 3				0
Transfers out of Level 3, assets				0
Purchases, assets				0
Issuance, assets				0
Sales, assets				0
Settlements, assets				0
Balance at end of period, asset		0		0
Unrealized gains (losses) still held, assets				0
Trading non-derivative assets | State and municipal
Fair value, assets measured on recurring basis, level 3 fair-value category reconciliation
Balance at beginning of period, asset				94
Net realized/unrealized gains (losses) included in principal transactions				3
Net realized/unrealized gains (losses) included in locations other than principal transactions, assets				0
Transfers into Level 3				0
Transfers out of Level 3, assets				(29)
Purchases, assets				5
Issuance, assets				0
Sales, assets				(2)
Settlements, assets				0
Balance at end of period, asset		71		71
Unrealized gains (losses) still held, assets				4
Trading non-derivative assets | Foreign government
Fair value, assets measured on recurring basis, level 3 fair-value category reconciliation
Balance at beginning of period, asset				51
Net realized/unrealized gains (losses) included in principal transactions				31
Net realized/unrealized gains (losses) included in locations other than principal transactions, assets				0
Transfers into Level 3				143
Transfers out of Level 3, assets				(126)
Purchases, assets				77
Issuance, assets				0
Sales, assets				(143)
Settlements, assets				0
Balance at end of period, asset		33		33
Unrealized gains (losses) still held, assets				4
Trading non-derivative assets | Corporate
Fair value, assets measured on recurring basis, level 3 fair-value category reconciliation
Balance at beginning of period, asset				375
Net realized/unrealized gains (losses) included in principal transactions				78
Net realized/unrealized gains (losses) included in locations other than principal transactions, assets				0
Transfers into Level 3				441
Transfers out of Level 3, assets				(278)
Purchases, assets				721
Issuance, assets				0
Sales, assets				(796)
Settlements, assets				0
Balance at end of period, asset		541		541
Unrealized gains (losses) still held, assets				(6)
Trading non-derivative assets | Marketable equity securities
Fair value, assets measured on recurring basis, level 3 fair-value category reconciliation
Balance at beginning of period, asset				73
Net realized/unrealized gains (losses) included in principal transactions				59
Net realized/unrealized gains (losses) included in locations other than principal transactions, assets				0
Transfers into Level 3				139
Transfers out of Level 3, assets				(51)
Purchases, assets				93
Issuance, assets				0
Sales, assets				(108)
Settlements, assets				0
Balance at end of period, asset		205		205
Unrealized gains (losses) still held, assets				26
Trading non-derivative assets | Asset-backed securities
Fair value, assets measured on recurring basis, level 3 fair-value category reconciliation
Balance at beginning of period, asset				1,606
Net realized/unrealized gains (losses) included in principal transactions				349
Net realized/unrealized gains (losses) included in locations other than principal transactions, assets				0
Transfers into Level 3				163
Transfers out of Level 3, assets				(217)
Purchases, assets				1,120
Issuance, assets				0
Sales, assets				(2,357)
Settlements, assets				0
Balance at end of period, asset		664		664
Unrealized gains (losses) still held, assets				(58)
Trading non-derivative assets | Other Trading Assets
Fair value, assets measured on recurring basis, level 3 fair-value category reconciliation
Balance at beginning of period, asset				945
Net realized/unrealized gains (losses) included in principal transactions				156
Net realized/unrealized gains (losses) included in locations other than principal transactions, assets				0
Transfers into Level 3				86
Transfers out of Level 3, assets				(196)
Purchases, assets				727
Issuance, assets				4
Sales, assets				(803)
Settlements, assets				(4)
Balance at end of period, asset		915		915
Unrealized gains (losses) still held, assets				29
Investments
Fair value, assets measured on recurring basis, level 3 fair-value category reconciliation
Balance at beginning of period, asset	2,263	2,246	2,227	1,542
Net realized/unrealized gains (losses) included in principal transactions	0	0	0	0
Net realized/unrealized gains (losses) included in locations other than principal transactions, assets	(70)	(69)	(217)	(68)
Transfers into Level 3	88	235	503	824
Transfers out of Level 3, assets	(69)	(283)	(373)	(680)
Purchases, assets	315	120	725	801
Issuance, assets	0	0	0	0
Sales, assets	(294)	(96)	(632)	(266)
Settlements, assets	0	0	0	0
Balance at end of period, asset	2,233	2,153	2,233	2,153
Unrealized gains (losses) still held, assets	(65)	(65)	(122)	(145)
Investments | U.S. government-sponsored agency guaranteed
Fair value, assets measured on recurring basis, level 3 fair-value category reconciliation
Balance at beginning of period, asset	28	52	51
Net realized/unrealized gains (losses) included in principal transactions	0	0	0
Net realized/unrealized gains (losses) included in locations other than principal transactions, assets	(2)	0	(11)
Transfers into Level 3	0	20	1
Transfers out of Level 3, assets	0	(10)	(10)
Purchases, assets	0	0	4
Issuance, assets	0	0	0
Sales, assets	0	(10)	(9)
Settlements, assets	0	0	0
Balance at end of period, asset	26	52	26	52
Unrealized gains (losses) still held, assets	(2)	0	(5)
Investments | Residential
Fair value, assets measured on recurring basis, level 3 fair-value category reconciliation
Balance at beginning of period, asset	40	0	94	0
Net realized/unrealized gains (losses) included in principal transactions	0	0	0	0
Net realized/unrealized gains (losses) included in locations other than principal transactions, assets	(4)	0	(10)	0
Transfers into Level 3	0	0	0	0
Transfers out of Level 3, assets	0	0	(39)	0
Purchases, assets	3	12	3	12
Issuance, assets	0	0	0	0
Sales, assets	0	0	(9)	0
Settlements, assets	0	0	0	0
Balance at end of period, asset	39	12	39	12
Unrealized gains (losses) still held, assets	(5)	0	(6)	0
Investments | Commercial
Fair value, assets measured on recurring basis, level 3 fair-value category reconciliation
Balance at beginning of period, asset	0	0	0	0
Net realized/unrealized gains (losses) included in principal transactions	0	0	0	0
Net realized/unrealized gains (losses) included in locations other than principal transactions, assets	0	0	0	0
Transfers into Level 3	0	0	0	0
Transfers out of Level 3, assets	0	0	0	0
Purchases, assets	0	0	0
Issuance, assets	0	0	0	0
Sales, assets	0	0	0	0
Settlements, assets	0	0	0	0
Balance at end of period, asset	0	0	0	0
Unrealized gains (losses) still held, assets	0	0	0	0
Investments | Mortgage-backed securities
Fair value, assets measured on recurring basis, level 3 fair-value category reconciliation
Balance at beginning of period, asset	68	52	145
Net realized/unrealized gains (losses) included in principal transactions	0	0	0
Net realized/unrealized gains (losses) included in locations other than principal transactions, assets	(6)	0	(21)
Transfers into Level 3	0	20	1
Transfers out of Level 3, assets	0	(10)	(49)
Purchases, assets	3	12	7
Issuance, assets	0	0	0
Sales, assets	0	(10)	(18)
Settlements, assets	0	0	0
Balance at end of period, asset	65	64	65	64
Unrealized gains (losses) still held, assets	(7)	0	(11)
Investments | U.S. Treasury and federal agency securities
Fair value, assets measured on recurring basis, level 3 fair-value category reconciliation
Balance at beginning of period, asset	0	0	1
Net realized/unrealized gains (losses) included in principal transactions	0	0	0
Net realized/unrealized gains (losses) included in locations other than principal transactions, assets	0	0	(1)
Transfers into Level 3	0	0	0
Transfers out of Level 3, assets	0	0	0
Purchases, assets	0	0	0
Issuance, assets	0	0	0
Sales, assets	0	0	0
Settlements, assets	0	0	0
Balance at end of period, asset	0	0	0	0
Unrealized gains (losses) still held, assets	0	0	0
Investments | State and municipal
Fair value, assets measured on recurring basis, level 3 fair-value category reconciliation
Balance at beginning of period, asset	539	748	772
Net realized/unrealized gains (losses) included in principal transactions	0	0	0
Net realized/unrealized gains (losses) included in locations other than principal transactions, assets	(20)	(6)	(98)
Transfers into Level 3	81	0	81
Transfers out of Level 3, assets	0	0	(142)
Purchases, assets	0	2	1
Issuance, assets	0	0	0
Sales, assets	(25)	(9)	(39)
Settlements, assets	0	0	0
Balance at end of period, asset	575	735	575	735
Unrealized gains (losses) still held, assets	(14)	(6)	(73)
Investments | Foreign government
Fair value, assets measured on recurring basis, level 3 fair-value category reconciliation
Balance at beginning of period, asset	1,001	957	786
Net realized/unrealized gains (losses) included in principal transactions	0	0	0
Net realized/unrealized gains (losses) included in locations other than principal transactions, assets	(53)	(25)	(92)
Transfers into Level 3	6	63	256
Transfers out of Level 3, assets	(56)	(232)	(169)
Purchases, assets	224	99	609
Issuance, assets	0	0	0
Sales, assets	(262)	(50)	(530)
Settlements, assets	0	0	0
Balance at end of period, asset	860	812	860	812
Unrealized gains (losses) still held, assets	(44)	(6)	(36)
Investments | Corporate
Fair value, assets measured on recurring basis, level 3 fair-value category reconciliation
Balance at beginning of period, asset	334	104	188
Net realized/unrealized gains (losses) included in principal transactions	0	0	0
Net realized/unrealized gains (losses) included in locations other than principal transactions, assets	4	(2)	(3)
Transfers into Level 3	1	151	154
Transfers out of Level 3, assets	(3)	(41)	(3)
Purchases, assets	1	7	1
Issuance, assets	0	0	0
Sales, assets	0	(27)	0
Settlements, assets	0	0	0
Balance at end of period, asset	337	192	337	192
Unrealized gains (losses) still held, assets	0	0	(2)
Investments | Marketable equity securities
Fair value, assets measured on recurring basis, level 3 fair-value category reconciliation
Balance at beginning of period, asset	10	0	16	0
Net realized/unrealized gains (losses) included in principal transactions	0	0	0	0
Net realized/unrealized gains (losses) included in locations other than principal transactions, assets	0	0	(6)	0
Transfers into Level 3	0	0	0	0
Transfers out of Level 3, assets	0	0	0	0
Purchases, assets	0	0	0	0
Issuance, assets	0	0	0	0
Sales, assets	0	0	0	0
Settlements, assets	0	0	0	0
Balance at end of period, asset	10	0	10	0
Unrealized gains (losses) still held, assets	0	0	0	0
Investments | Asset-backed securities
Fair value, assets measured on recurring basis, level 3 fair-value category reconciliation
Balance at beginning of period, asset	1	3	3
Net realized/unrealized gains (losses) included in principal transactions	0	0	0
Net realized/unrealized gains (losses) included in locations other than principal transactions, assets	8	0	19
Transfers into Level 3	0	0	0
Transfers out of Level 3, assets	0	0	0
Purchases, assets	0	0	0
Issuance, assets	0	0	0
Sales, assets	(7)	0	(20)
Settlements, assets	0	0	0
Balance at end of period, asset	2	3	2	3
Unrealized gains (losses) still held, assets	0	0	0
Investments | Other trading assets
Fair value, assets measured on recurring basis, level 3 fair-value category reconciliation
Balance at beginning of period, asset	0	0	0	0
Net realized/unrealized gains (losses) included in principal transactions	0	0	0	0
Net realized/unrealized gains (losses) included in locations other than principal transactions, assets	0	0	0	0
Transfers into Level 3	0	0	0	0
Transfers out of Level 3, assets	0	0	0	0
Purchases, assets	0	0	0	0
Issuance, assets	0	0	0	0
Sales, assets	0	0	0	0
Settlements, assets	0	0	0	0
Balance at end of period, asset	0	0	0	0
Unrealized gains (losses) still held, assets	0	0	0	0
Investments | Non-marketable equity securities
Fair value, assets measured on recurring basis, level 3 fair-value category reconciliation
Balance at beginning of period, asset	310	382	316
Net realized/unrealized gains (losses) included in principal transactions	0	0	0
Net realized/unrealized gains (losses) included in locations other than principal transactions, assets	(3)	(36)	(15)
Transfers into Level 3	0	1	11
Transfers out of Level 3, assets	(10)	0	(10)
Purchases, assets	87	0	107
Issuance, assets	0	0	0
Sales, assets	0	0	(25)
Settlements, assets	0	0	0
Balance at end of period, asset	384	347	384	347
Unrealized gains (losses) still held, assets	0	(53)	0
Investments | U.S. government-sponsored agency guaranteed
Fair value, assets measured on recurring basis, level 3 fair-value category reconciliation
Balance at beginning of period, asset				30
Net realized/unrealized gains (losses) included in principal transactions				0
Net realized/unrealized gains (losses) included in locations other than principal transactions, assets				2
Transfers into Level 3				42
Transfers out of Level 3, assets				(10)
Purchases, assets				3
Issuance, assets				0
Sales, assets				(15)
Settlements, assets				0
Balance at end of period, asset		52		52
Unrealized gains (losses) still held, assets				(53)
Investments | Mortgage-backed securities
Fair value, assets measured on recurring basis, level 3 fair-value category reconciliation
Balance at beginning of period, asset				30
Net realized/unrealized gains (losses) included in principal transactions				0
Net realized/unrealized gains (losses) included in locations other than principal transactions, assets				2
Transfers into Level 3				42
Transfers out of Level 3, assets				(10)
Purchases, assets				15
Issuance, assets				0
Sales, assets				(15)
Settlements, assets				0
Balance at end of period, asset		64		64
Unrealized gains (losses) still held, assets				(53)
Investments | U.S. Treasury and federal agency securities
Fair value, assets measured on recurring basis, level 3 fair-value category reconciliation
Balance at beginning of period, asset				0
Net realized/unrealized gains (losses) included in principal transactions				0
Net realized/unrealized gains (losses) included in locations other than principal transactions, assets				0
Transfers into Level 3				0
Transfers out of Level 3, assets				0
Purchases, assets				0
Issuance, assets				0
Sales, assets				0
Settlements, assets				0
Balance at end of period, asset		0		0
Unrealized gains (losses) still held, assets				0
Investments | State and municipal
Fair value, assets measured on recurring basis, level 3 fair-value category reconciliation
Balance at beginning of period, asset				834
Net realized/unrealized gains (losses) included in principal transactions				0
Net realized/unrealized gains (losses) included in locations other than principal transactions, assets				(16)
Transfers into Level 3				58
Transfers out of Level 3, assets				(108)
Purchases, assets				5
Issuance, assets				0
Sales, assets				(38)
Settlements, assets				0
Balance at end of period, asset		735		735
Unrealized gains (losses) still held, assets				(12)
Investments | Foreign government
Fair value, assets measured on recurring basis, level 3 fair-value category reconciliation
Balance at beginning of period, asset				268
Net realized/unrealized gains (losses) included in principal transactions				0
Net realized/unrealized gains (losses) included in locations other than principal transactions, assets				(24)
Transfers into Level 3				503
Transfers out of Level 3, assets				(521)
Purchases, assets				744
Issuance, assets				0
Sales, assets				(158)
Settlements, assets				0
Balance at end of period, asset		812		812
Unrealized gains (losses) still held, assets				(4)
Investments | Corporate
Fair value, assets measured on recurring basis, level 3 fair-value category reconciliation
Balance at beginning of period, asset				60
Net realized/unrealized gains (losses) included in principal transactions				0
Net realized/unrealized gains (losses) included in locations other than principal transactions, assets				(13)
Transfers into Level 3				183
Transfers out of Level 3, assets				(41)
Purchases, assets				37
Issuance, assets				0
Sales, assets				(34)
Settlements, assets				0
Balance at end of period, asset		192		192
Unrealized gains (losses) still held, assets				2
Investments | Asset-backed securities
Fair value, assets measured on recurring basis, level 3 fair-value category reconciliation
Balance at beginning of period, asset				1
Net realized/unrealized gains (losses) included in principal transactions				0
Net realized/unrealized gains (losses) included in locations other than principal transactions, assets				(21)
Transfers into Level 3				36
Transfers out of Level 3, assets				0
Purchases, assets				0
Issuance, assets				0
Sales, assets				(13)
Settlements, assets				0
Balance at end of period, asset		3		3
Unrealized gains (losses) still held, assets				(25)
Investments | Non-marketable equity securities
Fair value, assets measured on recurring basis, level 3 fair-value category reconciliation
Balance at beginning of period, asset				349
Net realized/unrealized gains (losses) included in principal transactions				0
Net realized/unrealized gains (losses) included in locations other than principal transactions, assets				4
Transfers into Level 3				2
Transfers out of Level 3, assets				0
Purchases, assets				0
Issuance, assets				0
Sales, assets				(8)
Settlements, assets				0
Balance at end of period, asset		347		347
Unrealized gains (losses) still held, assets				(53)
Loans
Fair value, assets measured on recurring basis, level 3 fair-value category reconciliation
Balance at beginning of period, asset	325	429	711	1,985
Net realized/unrealized gains (losses) included in principal transactions	0	0	0	0
Net realized/unrealized gains (losses) included in locations other than principal transactions, assets	5	(16)	(185)	332
Transfers into Level 3	83	0	84	271
Transfers out of Level 3, assets	(3)	(20)	(198)	(2,071)
Purchases, assets	0	0	0	0
Issuance, assets	333	336	334	337
Sales, assets	0	0	0	0
Settlements, assets	(108)	(7)	(111)	(132)
Balance at end of period, asset	635	722	635	722
Unrealized gains (losses) still held, assets	(6)	14	(52)	111
Fair value, Derivative assets (liabilities) measured on recurring basis, level 3 fair-value category reconciliation
Transfers out of Level 3				(2,000)
Mortgage servicing rights
Fair value, assets measured on recurring basis, level 3 fair-value category reconciliation
Balance at beginning of period, asset	600	419	404	336
Net realized/unrealized gains (losses) included in principal transactions	0	0	0	0
Net realized/unrealized gains (losses) included in locations other than principal transactions, assets	37	(3)	195	49
Transfers into Level 3		0	0	0
Transfers out of Level 3, assets	0	0	0	0
Purchases, assets		0	0	0
Issuance, assets	25	8	94	76
Sales, assets		0	0	0
Settlements, assets	(15)	(15)	(46)	(52)
Balance at end of period, asset	647	409	647	409
Unrealized gains (losses) still held, assets	38	(3)	194	50
Other financial assets measured on a recurring basis
Fair value, assets measured on recurring basis, level 3 fair-value category reconciliation
Balance at beginning of period, asset	63	55	73	0
Net realized/unrealized gains (losses) included in principal transactions	0	0	0	0
Net realized/unrealized gains (losses) included in locations other than principal transactions, assets	(19)	3	(13)	3
Transfers into Level 3	22	10	29	65
Transfers out of Level 3, assets	0	(4)	(16)	(4)
Purchases, assets	7	33	21	33
Issuance, assets	(1)	0	39	0
Sales, assets	(16)	(11)	(17)	(11)
Settlements, assets	(6)	0	(66)	0
Balance at end of period, asset	50	86	50	86
Unrealized gains (losses) still held, assets	$ (12)	$ 0	$ 8	$ 0