FAIR VALUE MEASUREMENT (Details 2) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Trading account assets and liabilities
Fair value, Derivative assets (liabilities) measured on recurring basis, level 3 fair-value category reconciliation
Balance at beginning of period, asset (liability), net	$ (2,380)	$ (779)
Transfers into Level 3	852	613
Transfers out of Level 3	(103)	(153)
Purchases	587	1,152
Sales	(339)	(1,164)
Settlements	484	(504)
Balance at end of period, asset (liability), net	42	(2,380)
Unrealized gains (losses) still held	312	(1,572)
Trading account assets and liabilities | Principal transactions
Fair value, Derivative assets (liabilities) measured on recurring basis, level 3 fair-value category reconciliation
Net realized/unrealized gains (losses) included in earnings	941	(1,545)
Trading account assets and liabilities | 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	181	726
Transfers into Level 3	692	682
Transfers out of Level 3	(226)	(438)
Purchases	228	311
Sales	(155)	(194)
Settlements	(173)	(805)
Balance at end of period, asset (liability), net	839	181
Unrealized gains (losses) still held	779	(298)
Trading account assets and liabilities | Interest rate contracts | Principal transactions
Fair value, Derivative assets (liabilities) measured on recurring basis, level 3 fair-value category reconciliation
Net realized/unrealized gains (losses) included in earnings	292	(101)
Trading account assets and liabilities | 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		(562)
Transfers into Level 3	29	(1)
Transfers out of Level 3	(35)	25
Purchases	26	196
Sales	(10)	(213)
Settlements	60	115
Balance at end of period, asset (liability), net	695
Unrealized gains (losses) still held	146	(190)
Trading account assets and liabilities | Foreign exchange contracts | Principal transactions
Fair value, Derivative assets (liabilities) measured on recurring basis, level 3 fair-value category reconciliation
Net realized/unrealized gains (losses) included in earnings	625	440
Trading account assets and liabilities | 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	(1,448)	(1,737)
Transfers into Level 3	25	(34)
Transfers out of Level 3	295	443
Purchases	298	428
Sales	(149)	(657)
Settlements	25	(217)
Balance at end of period, asset (liability), net	(858)	(1,448)
Unrealized gains (losses) still held	(453)	(506)
Trading account assets and liabilities | Equity contracts | Principal transactions
Fair value, Derivative assets (liabilities) measured on recurring basis, level 3 fair-value category reconciliation
Net realized/unrealized gains (losses) included in earnings	96	326
Trading account assets and liabilities | 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	(771)	(934)
Transfers into Level 3		(66)
Transfers out of Level 3	46	5
Purchases	15	100
Sales	(25)	(89)
Settlements	79	68
Balance at end of period, asset (liability), net	(360)	(771)
Unrealized gains (losses) still held	384	114
Trading account assets and liabilities | Commodity contracts | Principal transactions
Fair value, Derivative assets (liabilities) measured on recurring basis, level 3 fair-value category reconciliation
Net realized/unrealized gains (losses) included in earnings	296	145
Trading account assets and liabilities | 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	(342)	1,728
Transfers into Level 3	106	32
Transfers out of Level 3	(183)	(188)
Purchases	20	117
Sales		(11)
Settlements	493	335
Balance at end of period, asset (liability), net	(274)	(342)
Unrealized gains (losses) still held	(544)	(692)
Trading account assets and liabilities | Credit derivatives | Principal transactions
Fair value, Derivative assets (liabilities) measured on recurring basis, level 3 fair-value category reconciliation
Net realized/unrealized gains (losses) included in earnings	(368)	(2,355)
Interest-bearing deposits
Fair value, liabilities measured on recurring basis, level 3 fair-value category reconciliation
Balance at beginning of period, liability	786	431
Transfers into Level 3, liabilities	32	213
Transfers out of Level 3, liabilities	(21)	(36)
Issuance, liability	86	268
Settlements, liability	(118)	(231)
Balance at end of period, liability	890	786
Unrealized gains (losses) still held, liabilities	(41)	(414)
Interest-bearing deposits | Other
Fair value, liabilities measured on recurring basis, level 3 fair-value category reconciliation
Net realized/unrealized gains (losses) included in locations other than principal transactions, liabilities	(125)	(141)
Federal funds purchased and securities loaned or sold under agreements to repurchase
Fair value, liabilities measured on recurring basis, level 3 fair-value category reconciliation
Balance at beginning of period, liability	841	1,061
Transfers into Level 3, liabilities	216
Transfers out of Level 3, liabilities	(17)	(14)
Purchases, liability	36
Sales, liability	40	(179)
Settlements, liability	(123)	(91)
Balance at end of period, liability	902	841
Unrealized gains (losses) still held, liabilities	50	43
Federal funds purchased and securities loaned or sold under agreements to repurchase | Principal transactions
Fair value, liabilities measured on recurring basis, level 3 fair-value category reconciliation
Net realized/unrealized gains (losses) included in earnings, liabilities	91	(64)
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	365	412
Transfers into Level 3, liabilities	89	294
Transfers out of Level 3, liabilities	(52)	(47)
Sales, liability	612	216
Settlements, liability	(382)	(511)
Balance at end of period, liability	590	365
Unrealized gains (losses) still held, liabilities	73	(42)
Trading account liabilities | Securities sold, not yet purchased | Principal transactions
Fair value, liabilities measured on recurring basis, level 3 fair-value category reconciliation
Net realized/unrealized gains (losses) included in earnings, liabilities	42	(1)
Short-term borrowings
Fair value, liabilities measured on recurring basis, level 3 fair-value category reconciliation
Balance at beginning of period, liability	112	499
Transfers into Level 3, liabilities	2	47
Transfers out of Level 3, liabilities	(10)	(20)
Issuance, liability	316	268
Settlements, liability	(338)	(790)
Balance at end of period, liability	29	112
Unrealized gains (losses) still held, liabilities	(5)	(57)
Short-term borrowings | Principal transactions
Fair value, liabilities measured on recurring basis, level 3 fair-value category reconciliation
Net realized/unrealized gains (losses) included in earnings, liabilities	53	(108)
Long-term debt
Fair value, liabilities measured on recurring basis, level 3 fair-value category reconciliation
Balance at beginning of period, liability	6,726	6,904
Transfers into Level 3, liabilities	2,461	2,548
Transfers out of Level 3, liabilities	(2,531)	(2,694)
Issuance, liability	1,466	2,480
Sales, liability	(1)
Settlements, liability	(1,332)	(2,295)
Balance at end of period, liability	6,797	6,726
Unrealized gains (losses) still held, liabilities	(55)	(688)
Long-term debt | Principal transactions
Fair value, liabilities measured on recurring basis, level 3 fair-value category reconciliation
Net realized/unrealized gains (losses) included in earnings, liabilities	(161)	98
Long-term debt | Other
Fair value, liabilities measured on recurring basis, level 3 fair-value category reconciliation
Net realized/unrealized gains (losses) included in locations other than principal transactions, liabilities	153	119
Other financial liabilities
Fair value, liabilities measured on recurring basis, level 3 fair-value category reconciliation
Balance at beginning of period, liability	24	3
Transfers into Level 3, liabilities	5	2
Transfers out of Level 3, liabilities	(2)	(2)
Purchases, liability	(5)	(4)
Issuance, liability	104	6
Settlements, liability	(331)	(12)
Balance at end of period, liability	10	24
Unrealized gains (losses) still held, liabilities	(9)	(13)
Other financial liabilities | Other
Fair value, liabilities measured on recurring basis, level 3 fair-value category reconciliation
Net realized/unrealized gains (losses) included in locations other than principal transactions, liabilities	(215)	(31)
Trading non-derivative assets
Fair value, assets measured on recurring basis, level 3 fair-value category reconciliation
Balance at beginning of period, asset	13,823	15,792
Transfers into Level 3, assets	4,175	4,510
Transfers out of Level 3, assets	(4,625)	(5,240)
Purchases, assets	18,360	17,079
Issuance, assets	68	79
Sales, assets	(16,276)	(15,794)
Settlements, assets	(1,864)	(3,242)
Balance at end of period, asset	15,260	13,823
Unrealized gains (losses) still held, assets	(135)	158
Trading non-derivative assets | Principal transactions
Fair value, assets measured on recurring basis, level 3 fair-value category reconciliation
Net realized/unrealized gains (losses) included in earnings, assets	1,599	639
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	1,325	861
Transfers into Level 3, assets	1,386	1,294
Transfers out of Level 3, assets	(1,477)	(735)
Purchases, assets	1,316	657
Issuance, assets	68	79
Sales, assets	(1,310)	(735)
Settlements, assets	(355)	(134)
Balance at end of period, asset	1,094	1,325
Unrealized gains (losses) still held, assets	52	(16)
Trading non-derivative assets | U.S. government-sponsored agency guaranteed | Principal transactions
Fair value, assets measured on recurring basis, level 3 fair-value category reconciliation
Net realized/unrealized gains (losses) included in earnings, assets	141	38
Trading non-derivative assets | Mortgage-backed securities - Residential
Fair value, assets measured on recurring basis, level 3 fair-value category reconciliation
Balance at beginning of period, asset	1,805	1,509
Transfers into Level 3, assets	513	848
Transfers out of Level 3, assets	(372)	(499)
Purchases, assets	3,630	1,652
Sales, assets	(3,189)	(1,897)
Settlements, assets	(7)	(12)
Balance at end of period, asset	2,854	1,805
Unrealized gains (losses) still held, assets	10	(27)
Trading non-derivative assets | Mortgage-backed securities - Residential | Principal transactions
Fair value, assets measured on recurring basis, level 3 fair-value category reconciliation
Net realized/unrealized gains (losses) included in earnings, assets	474	204
Trading non-derivative assets | Mortgage-backed securities - Commercial
Fair value, assets measured on recurring basis, level 3 fair-value category reconciliation
Balance at beginning of period, asset	1,119	618
Transfers into Level 3, assets	278	327
Transfers out of Level 3, assets	(304)	(305)
Purchases, assets	244	1,056
Sales, assets	(1,178)	(545)
Settlements, assets	(17)
Balance at end of period, asset	256	1,119
Unrealized gains (losses) still held, assets	14	28
Trading non-derivative assets | Mortgage-backed securities - Commercial | Principal transactions
Fair value, assets measured on recurring basis, level 3 fair-value category reconciliation
Net realized/unrealized gains (losses) included in earnings, assets	114	(32)
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	4,249	2,988
Transfers into Level 3, assets	2,177	2,469
Transfers out of Level 3, assets	(2,153)	(1,539)
Purchases, assets	5,190	3,365
Issuance, assets	68	79
Sales, assets	(5,677)	(3,177)
Settlements, assets	(379)	(146)
Balance at end of period, asset	4,204	4,249
Unrealized gains (losses) still held, assets	76	(15)
Trading non-derivative assets | Mortgage-backed securities | Principal transactions
Fair value, assets measured on recurring basis, level 3 fair-value category reconciliation
Net realized/unrealized gains (losses) included in earnings, assets	729	210
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		3
Transfers into Level 3, assets	54
Purchases, assets		13
Sales, assets	(53)	(16)
Trading non-derivative assets | U.S. Treasury and federal agency securities | Principal transactions
Fair value, assets measured on recurring basis, level 3 fair-value category reconciliation
Net realized/unrealized gains (losses) included in earnings, assets	(1)
Trading non-derivative assets | State and municipal securities
Fair value, assets measured on recurring basis, level 3 fair-value category reconciliation
Balance at beginning of period, asset	195	252
Transfers into Level 3, assets	9	19
Transfers out of Level 3, assets		(18)
Purchases, assets	107	61
Sales, assets	(126)	(143)
Balance at end of period, asset	222	195
Unrealized gains (losses) still held, assets	15	(2)
Trading non-derivative assets | State and municipal securities | Principal transactions
Fair value, assets measured on recurring basis, level 3 fair-value category reconciliation
Net realized/unrealized gains (losses) included in earnings, assets	37	24
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	311	521
Transfers into Level 3, assets	156	89
Transfers out of Level 3, assets	(67)	(875)
Purchases, assets	326	960
Sales, assets	(289)	(409)
Balance at end of period, asset	416	311
Unrealized gains (losses) still held, assets	5	5
Trading non-derivative assets | Foreign government | Principal transactions
Fair value, assets measured on recurring basis, level 3 fair-value category reconciliation
Net realized/unrealized gains (losses) included in earnings, assets	(21)	25
Trading non-derivative assets | Corporate
Fair value, assets measured on recurring basis, level 3 fair-value category reconciliation
Balance at beginning of period, asset	2,030	3,240
Transfers into Level 3, assets	410	464
Transfers out of Level 3, assets	(410)	(558)
Purchases, assets	2,864	2,622
Sales, assets	(2,116)	(1,942)
Settlements, assets	(923)	(1,706)
Balance at end of period, asset	1,835	2,030
Unrealized gains (losses) still held, assets	(406)	(28)
Trading non-derivative assets | Corporate | Principal transactions
Fair value, assets measured on recurring basis, level 3 fair-value category reconciliation
Net realized/unrealized gains (losses) included in earnings, assets	(20)	(90)
Trading non-derivative assets | Equity securities
Fair value, assets measured on recurring basis, level 3 fair-value category reconciliation
Balance at beginning of period, asset	264	244
Transfers into Level 3, assets	228	121
Transfers out of Level 3, assets	(210)	(47)
Purchases, assets	829	231
Sales, assets	(183)	(192)
Settlements, assets		(68)
Balance at end of period, asset	1,057	264
Unrealized gains (losses) still held, assets	59	(5)
Trading non-derivative assets | Equity securities | Principal transactions
Fair value, assets measured on recurring basis, level 3 fair-value category reconciliation
Net realized/unrealized gains (losses) included in earnings, assets	129	(25)
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	4,453	5,801
Transfers into Level 3, assets	181	222
Transfers out of Level 3, assets	(193)	(114)
Purchases, assets	5,165	6,873
Sales, assets	(5,579)	(7,823)
Settlements, assets	(229)	(1,009)
Balance at end of period, asset	4,342	4,453
Unrealized gains (losses) still held, assets	123	(173)
Trading non-derivative assets | Asset-backed securities | Principal transactions
Fair value, assets measured on recurring basis, level 3 fair-value category reconciliation
Net realized/unrealized gains (losses) included in earnings, assets	544	503
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	2,321	2,743
Transfers into Level 3, assets	960	1,126
Transfers out of Level 3, assets	(1,592)	(2,089)
Purchases, assets	3,879	2,954
Sales, assets	(2,253)	(2,092)
Settlements, assets	(333)	(313)
Balance at end of period, asset	3,184	2,321
Unrealized gains (losses) still held, assets	(7)	376
Trading non-derivative assets | Other trading assets | Principal transactions
Fair value, assets measured on recurring basis, level 3 fair-value category reconciliation
Net realized/unrealized gains (losses) included in earnings, assets	202	(8)
Other financial assets
Fair value, assets measured on recurring basis, level 3 fair-value category reconciliation
Balance at beginning of period, asset	2,452	2,245
Transfers into Level 3, assets	1	21
Transfers out of Level 3, assets		(35)
Purchases, assets	216	4
Issuance, assets	474	1,700
Sales, assets	(2,046)	(50)
Settlements, assets	(979)	(1,799)
Balance at end of period, asset	181	2,452
Unrealized gains (losses) still held, assets	(5)	101
Other financial assets | Other
Fair value, assets measured on recurring basis, level 3 fair-value category reconciliation
Net realized/unrealized gains (losses) included in locations other than principal transactions, assets	63	366
Federal funds sold and securities borrowed or purchased under agreements to resell
Fair value, assets measured on recurring basis, level 3 fair-value category reconciliation
Balance at beginning of period, asset	5,043	4,701
Transfers into Level 3, assets	627	540
Transfers out of Level 3, assets	(1,871)	(444)
Purchases, assets	59
Sales, assets	71
Settlements, assets	(226)	(60)
Balance at end of period, asset	3,566	5,043
Unrealized gains (losses) still held, assets	(124)	317
Threshold tenor of repo curves to classify structured reverse repos as level 3	5 years
Federal funds sold and securities borrowed or purchased under agreements to resell | Principal transactions
Fair value, assets measured on recurring basis, level 3 fair-value category reconciliation
Net realized/unrealized gains (losses) included in earnings, assets	(137)	306
Investments
Fair value, assets measured on recurring basis, level 3 fair-value category reconciliation
Balance at beginning of period, asset	11,907	16,797
Net realized/unrealized gains (losses) included in locations other than principal transactions, assets	430	460
Transfers into Level 3, assets	3,857	1,564
Transfers out of Level 3, assets	(6,493)	(5,787)
Purchases, assets	4,847	7,352
Sales, assets	(1,858)	(4,679)
Settlements, assets	(2,949)	(3,800)
Balance at end of period, asset	9,741	11,907
Unrealized gains (losses) still held, assets	203	312
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	1,458	679
Net realized/unrealized gains (losses) included in locations other than principal transactions, assets	(7)	7
Transfers into Level 3, assets	2,058	894
Transfers out of Level 3, assets	(3,820)	(3,742)
Purchases, assets	593	3,622
Sales, assets	(38)
Settlements, assets	(57)	(2)
Balance at end of period, asset	187	1,458
Unrealized gains (losses) still held, assets	11	43
Investments | Mortgage-backed securities - Residential
Fair value, assets measured on recurring basis, level 3 fair-value category reconciliation
Balance at beginning of period, asset	205	8
Net realized/unrealized gains (losses) included in locations other than principal transactions, assets	30	6
Transfers into Level 3, assets	60	205
Transfers out of Level 3, assets	(265)	(6)
Purchases, assets	212	46
Sales, assets	(140)	(54)
Balance at end of period, asset	102	205
Unrealized gains (losses) still held, assets	7
Investments | Mortgage-backed securities - Commercial
Fair value, assets measured on recurring basis, level 3 fair-value category reconciliation
Transfers into Level 3, assets	4
Transfers out of Level 3, assets	(21)	(11)
Purchases, assets	17	11
Investments | Mortgage-backed securities
Fair value, assets measured on recurring basis, level 3 fair-value category reconciliation
Balance at beginning of period, asset	1,663	687
Net realized/unrealized gains (losses) included in locations other than principal transactions, assets	23	13
Transfers into Level 3, assets	2,122	1,099
Transfers out of Level 3, assets	(4,106)	(3,759)
Purchases, assets	822	3,679
Sales, assets	(178)	(54)
Settlements, assets	(57)	(2)
Balance at end of period, asset	289	1,663
Unrealized gains (losses) still held, assets	18	43
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	12	75
Transfers into Level 3, assets		75
Transfers out of Level 3, assets		(150)
Purchases, assets		12
Sales, assets	(4)
Balance at end of period, asset	8	12
Investments | State and municipal securities
Fair value, assets measured on recurring basis, level 3 fair-value category reconciliation
Balance at beginning of period, asset	849	667
Net realized/unrealized gains (losses) included in locations other than principal transactions, assets	10	12
Transfers into Level 3, assets	12	129
Transfers out of Level 3, assets	(122)	(153)
Purchases, assets	1,236	412
Sales, assets	(217)	(218)
Settlements, assets	(125)
Balance at end of period, asset	1,643	849
Unrealized gains (losses) still held, assets	(75)	(20)
Investments | Foreign government
Fair value, assets measured on recurring basis, level 3 fair-value category reconciliation
Balance at beginning of period, asset	383	447
Net realized/unrealized gains (losses) included in locations other than principal transactions, assets	2	20
Transfers into Level 3, assets	178	193
Transfers out of Level 3, assets	(256)	(297)
Purchases, assets	506	519
Sales, assets	(391)	(387)
Settlements, assets	(78)	(112)
Balance at end of period, asset	344	383
Unrealized gains (losses) still held, assets	(28)	1
Investments | Corporate
Fair value, assets measured on recurring basis, level 3 fair-value category reconciliation
Balance at beginning of period, asset	385	989
Net realized/unrealized gains (losses) included in locations other than principal transactions, assets	(27)	(6)
Transfers into Level 3, assets	334	68
Transfers out of Level 3, assets	(119)	(698)
Purchases, assets	104	224
Sales, assets	(303)	(144)
Settlements, assets	(89)	(48)
Balance at end of period, asset	285	385
Unrealized gains (losses) still held, assets		8
Investments | Equity securities
Fair value, assets measured on recurring basis, level 3 fair-value category reconciliation
Balance at beginning of period, asset	773	1,453
Net realized/unrealized gains (losses) included in locations other than principal transactions, assets	56	119
Transfers into Level 3, assets	19
Transfers out of Level 3, assets	(1)
Purchases, assets	1
Sales, assets	(33)	(308)
Settlements, assets		(491)
Balance at end of period, asset	815	773
Unrealized gains (losses) still held, assets	47	(34)
Investments | Asset-backed securities
Fair value, assets measured on recurring basis, level 3 fair-value category reconciliation
Balance at beginning of period, asset	2,220	4,041
Net realized/unrealized gains (losses) included in locations other than principal transactions, assets	117	(98)
Transfers into Level 3, assets	1,192
Transfers out of Level 3, assets	(1,684)	(730)
Purchases, assets	1,475	930
Sales, assets	(337)	(77)
Settlements, assets	(1,023)	(1,846)
Balance at end of period, asset	1,960	2,220
Unrealized gains (losses) still held, assets		1
Investments | Other trading assets
Fair value, assets measured on recurring basis, level 3 fair-value category reconciliation
Balance at beginning of period, asset	258	120
Net realized/unrealized gains (losses) included in locations other than principal transactions, assets		(53)
Transfers out of Level 3, assets	(205)
Purchases, assets	50	310
Sales, assets	(53)	(118)
Settlements, assets		(1)
Balance at end of period, asset	50	258
Investments | Non-marketable equity securities
Fair value, assets measured on recurring basis, level 3 fair-value category reconciliation
Balance at beginning of period, asset	5,364	8,318
Purchases, assets	653	1,266
Sales, assets	(342)	(3,373)
Settlements, assets	(1,577)	(1,300)
Balance at end of period, asset	4,347	5,364
Unrealized gains (losses) still held, assets	241	313
Investments | Non-marketable equity securities | Other
Fair value, assets measured on recurring basis, level 3 fair-value category reconciliation
Net realized/unrealized gains (losses) included in earnings, assets	249	453
Investments | EMI Music and EMI Music Publishing
Fair value, assets measured on recurring basis, level 3 fair-value category reconciliation
Sales, assets		(2,800)
Loans
Fair value, assets measured on recurring basis, level 3 fair-value category reconciliation
Balance at beginning of period, asset	4,931	4,682
Transfers into Level 3, assets	353	1,051
Transfers out of Level 3, assets		(185)
Purchases, assets	179	301
Issuance, assets	652	930
Sales, assets	(192)	(251)
Settlements, assets	(1,756)	(1,563)
Balance at end of period, asset	4,143	4,931
Unrealized gains (losses) still held, assets	(122)	156
Loans | Other
Fair value, assets measured on recurring basis, level 3 fair-value category reconciliation
Net realized/unrealized gains (losses) included in earnings, assets	(24)	(34)
Mortgage servicing rights
Fair value, assets measured on recurring basis, level 3 fair-value category reconciliation
Balance at beginning of period, asset	1,942	2,569
Purchases, assets		2
Issuance, assets	634	421
Sales, assets	(2)	(5)
Settlements, assets	(411)	(619)
Balance at end of period, asset	2,718	1,942
Unrealized gains (losses) still held, assets	553	(427)
Mortgage servicing rights | Other
Fair value, assets measured on recurring basis, level 3 fair-value category reconciliation
Net realized/unrealized gains (losses) included in earnings, assets	$ 555	$ (426)