LOANS AND LEASES - Schedule of Loans Disaggregated by Year of Origination and by Risk Rating (Details) - USD ($) $ in Millions	Sep. 30, 2024	Dec. 31, 2023	Sep. 30, 2023
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans and leases	$ 138,695	$ 133,302	$ 133,202
Current
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans and leases	137,460	131,752
30-59 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans and leases	427	606
60-89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans and leases	178	329
90 Days or Greater
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans and leases	630	615
Commercial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, year one	13,490	16,239
Term loans by origination year, year two	13,575	13,688
Term loans by origination year, year three	12,464	9,909
Term loans by origination year, year four	8,222	7,192
Term loans by origination year, year five	5,966	4,877
Prior year	9,047	6,505
Revolving	7,403	7,746
Revolving Converted to Term Loans	94	76
Total loans and leases	70,261	66,232
Commercial | Current
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans and leases	69,391	65,097
Commercial | 30-59 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans and leases	244	396
Commercial | 60-89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans and leases	124	270
Commercial | 90 Days or Greater
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans and leases	502	469
Commercial | Commercial construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, year one	817	1,062
Term loans by origination year, year two	1,779	1,672
Term loans by origination year, year three	1,484	631
Term loans by origination year, year four	413	338
Term loans by origination year, year five	179	110
Prior year	127	62
Revolving	125	39
Revolving Converted to Term Loans	0	4
Total loans and leases	4,924	3,918
Commercial | Commercial construction | Current
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans and leases	4,867	3,865
Commercial | Commercial construction | 30-59 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans and leases	42	43
Commercial | Commercial construction | 60-89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans and leases	12	8
Commercial | Commercial construction | 90 Days or Greater
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans and leases	3	2
Commercial | Commercial construction | Pass
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, year one	817	1,062
Term loans by origination year, year two	1,746	1,615
Term loans by origination year, year three	1,348	620
Term loans by origination year, year four	369	226
Term loans by origination year, year five	165	63
Prior year	75	57
Revolving	125	39
Revolving Converted to Term Loans	0	4
Total loans and leases	4,645	3,686
Commercial | Commercial construction | Special Mention
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, year one	0	0
Term loans by origination year, year two	27	10
Term loans by origination year, year three	68	6
Term loans by origination year, year four	31	81
Term loans by origination year, year five	7	47
Prior year	23	0
Revolving	0	0
Revolving Converted to Term Loans	0	0
Total loans and leases	156	144
Commercial | Commercial construction | Substandard
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, year one	0	0
Term loans by origination year, year two	6	47
Term loans by origination year, year three	68	5
Term loans by origination year, year four	9	31
Term loans by origination year, year five	7	0
Prior year	29	5
Revolving	0	0
Revolving Converted to Term Loans	0	0
Total loans and leases	119	88
Commercial | Commercial construction | Doubtful
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, year one	0	0
Term loans by origination year, year two	0	0
Term loans by origination year, year three	0	0
Term loans by origination year, year four	4	0
Term loans by origination year, year five	0	0
Prior year	0	0
Revolving	0	0
Revolving Converted to Term Loans	0	0
Total loans and leases	4	0
Commercial | Commercial construction | Ungraded
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, year one	0	0
Term loans by origination year, year two	0	0
Term loans by origination year, year three	0	0
Term loans by origination year, year four	0	0
Term loans by origination year, year five	0	0
Prior year	0	0
Revolving	0	0
Revolving Converted to Term Loans	0	0
Total loans and leases	0	0
Commercial | Owner occupied commercial mortgage
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, year one	1,976	2,577
Term loans by origination year, year two	2,515	2,969
Term loans by origination year, year three	2,977	3,025
Term loans by origination year, year four	2,796	2,556
Term loans by origination year, year five	2,339	1,754
Prior year	3,525	2,355
Revolving	214	204
Revolving Converted to Term Loans	30	31
Total loans and leases	16,372	15,471
Commercial | Owner occupied commercial mortgage | Current
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans and leases	16,279	15,393
Commercial | Owner occupied commercial mortgage | 30-59 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans and leases	37	21
Commercial | Owner occupied commercial mortgage | 60-89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans and leases	29	10
Commercial | Owner occupied commercial mortgage | 90 Days or Greater
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans and leases	27	47
Commercial | Owner occupied commercial mortgage | Pass
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, year one	1,952	2,544
Term loans by origination year, year two	2,443	2,859
Term loans by origination year, year three	2,832	2,902
Term loans by origination year, year four	2,686	2,467
Term loans by origination year, year five	2,245	1,666
Prior year	3,191	2,107
Revolving	195	193
Revolving Converted to Term Loans	29	31
Total loans and leases	15,573	14,769
Commercial | Owner occupied commercial mortgage | Special Mention
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, year one	11	26
Term loans by origination year, year two	39	19
Term loans by origination year, year three	28	24
Term loans by origination year, year four	57	28
Term loans by origination year, year five	34	43
Prior year	94	72
Revolving	9	1
Revolving Converted to Term Loans	0	0
Total loans and leases	272	213
Commercial | Owner occupied commercial mortgage | Substandard
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, year one	13	7
Term loans by origination year, year two	33	91
Term loans by origination year, year three	117	99
Term loans by origination year, year four	53	61
Term loans by origination year, year five	60	45
Prior year	236	176
Revolving	10	10
Revolving Converted to Term Loans	1	0
Total loans and leases	523	489
Commercial | Owner occupied commercial mortgage | Doubtful
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, year one	0	0
Term loans by origination year, year two	0	0
Term loans by origination year, year three	0	0
Term loans by origination year, year four	0	0
Term loans by origination year, year five	0	0
Prior year	4	0
Revolving	0	0
Revolving Converted to Term Loans	0	0
Total loans and leases	4	0
Commercial | Owner occupied commercial mortgage | Ungraded
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, year one	0	0
Term loans by origination year, year two	0	0
Term loans by origination year, year three	0	0
Term loans by origination year, year four	0	0
Term loans by origination year, year five	0	0
Prior year	0	0
Revolving	0	0
Revolving Converted to Term Loans	0	0
Total loans and leases	0	0
Commercial | Non-owner occupied commercial mortgage
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, year one	2,076	3,148
Term loans by origination year, year two	3,144	3,243
Term loans by origination year, year three	3,253	2,274
Term loans by origination year, year four	2,210	2,096
Term loans by origination year, year five	1,879	1,751
Prior year	3,402	2,389
Revolving	111	91
Revolving Converted to Term Loans	3	3
Total loans and leases	16,078	14,995
Commercial | Non-owner occupied commercial mortgage | Current
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans and leases	15,669	14,424
Commercial | Non-owner occupied commercial mortgage | 30-59 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans and leases	8	100
Commercial | Non-owner occupied commercial mortgage | 60-89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans and leases	22	188
Commercial | Non-owner occupied commercial mortgage | 90 Days or Greater
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans and leases	379	283
Commercial | Non-owner occupied commercial mortgage | Pass
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, year one	2,074	3,132
Term loans by origination year, year two	3,106	3,150
Term loans by origination year, year three	2,798	2,212
Term loans by origination year, year four	2,130	1,860
Term loans by origination year, year five	1,721	1,148
Prior year	2,450	1,930
Revolving	110	80
Revolving Converted to Term Loans	3	3
Total loans and leases	14,392	13,515
Commercial | Non-owner occupied commercial mortgage | Special Mention
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, year one	0	14
Term loans by origination year, year two	37	45
Term loans by origination year, year three	332	33
Term loans by origination year, year four	57	96
Term loans by origination year, year five	4	171
Prior year	118	90
Revolving	0	9
Revolving Converted to Term Loans	0	0
Total loans and leases	548	458
Commercial | Non-owner occupied commercial mortgage | Substandard
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, year one	2	2
Term loans by origination year, year two	1	48
Term loans by origination year, year three	123	27
Term loans by origination year, year four	23	127
Term loans by origination year, year five	137	365
Prior year	729	330
Revolving	1	0
Revolving Converted to Term Loans	0	0
Total loans and leases	1,016	899
Commercial | Non-owner occupied commercial mortgage | Doubtful
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, year one	0	0
Term loans by origination year, year two	0	0
Term loans by origination year, year three	0	2
Term loans by origination year, year four	0	13
Term loans by origination year, year five	17	67
Prior year	105	39
Revolving	0	2
Revolving Converted to Term Loans	0	0
Total loans and leases	122	123
Commercial | Non-owner occupied commercial mortgage | Ungraded
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, year one	0	0
Term loans by origination year, year two	0	0
Term loans by origination year, year three	0	0
Term loans by origination year, year four	0	0
Term loans by origination year, year five	0	0
Prior year	0	0
Revolving	0	0
Revolving Converted to Term Loans	0	0
Total loans and leases	0	0
Commercial | Commercial and industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, year one	8,025	8,671
Term loans by origination year, year two	5,529	5,247
Term loans by origination year, year three	4,345	3,645
Term loans by origination year, year four	2,596	1,966
Term loans by origination year, year five	1,433	1,160
Prior year	1,925	1,655
Revolving	6,953	7,412
Revolving Converted to Term Loans	61	38
Total loans and leases	30,867	29,794
Commercial | Commercial and industrial | Current
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans and leases	30,612	29,452
Commercial | Commercial and industrial | 30-59 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans and leases	126	177
Commercial | Commercial and industrial | 60-89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans and leases	46	49
Commercial | Commercial and industrial | 90 Days or Greater
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans and leases	83	116
Commercial | Commercial and industrial | Pass
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, year one	7,831	8,472
Term loans by origination year, year two	5,341	4,858
Term loans by origination year, year three	3,868	3,347
Term loans by origination year, year four	2,221	1,660
Term loans by origination year, year five	1,250	952
Prior year	1,584	1,351
Revolving	6,326	6,818
Revolving Converted to Term Loans	58	34
Total loans and leases	28,479	27,492
Commercial | Commercial and industrial | Special Mention
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, year one	87	105
Term loans by origination year, year two	49	134
Term loans by origination year, year three	206	149
Term loans by origination year, year four	231	89
Term loans by origination year, year five	8	69
Prior year	71	26
Revolving	99	194
Revolving Converted to Term Loans	0	0
Total loans and leases	751	766
Commercial | Commercial and industrial | Substandard
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, year one	105	92
Term loans by origination year, year two	114	236
Term loans by origination year, year three	231	144
Term loans by origination year, year four	133	217
Term loans by origination year, year five	173	127
Prior year	247	258
Revolving	373	264
Revolving Converted to Term Loans	3	4
Total loans and leases	1,379	1,342
Commercial | Commercial and industrial | Doubtful
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, year one	2	2
Term loans by origination year, year two	25	19
Term loans by origination year, year three	40	5
Term loans by origination year, year four	11	0
Term loans by origination year, year five	2	12
Prior year	23	20
Revolving	13	13
Revolving Converted to Term Loans	0	0
Total loans and leases	116	71
Commercial | Commercial and industrial | Ungraded
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, year one	0	0
Term loans by origination year, year two	0	0
Term loans by origination year, year three	0	0
Term loans by origination year, year four	0	0
Term loans by origination year, year five	0	0
Prior year	0	0
Revolving	142	123
Revolving Converted to Term Loans	0	0
Total loans and leases	142	123
Commercial | Leases
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, year one	596	781
Term loans by origination year, year two	608	557
Term loans by origination year, year three	405	334
Term loans by origination year, year four	207	236
Term loans by origination year, year five	136	102
Prior year	68	44
Revolving	0	0
Revolving Converted to Term Loans	0	0
Total loans and leases	2,020	2,054
Commercial | Leases | Current
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans and leases	1,964	1,963
Commercial | Leases | 30-59 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans and leases	31	55
Commercial | Leases | 60-89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans and leases	15	15
Commercial | Leases | 90 Days or Greater
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans and leases	10	21
Commercial | Leases | Pass
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, year one	571	732
Term loans by origination year, year two	558	499
Term loans by origination year, year three	347	290
Term loans by origination year, year four	179	209
Term loans by origination year, year five	112	91
Prior year	59	35
Revolving	0	0
Revolving Converted to Term Loans	0	0
Total loans and leases	1,826	1,856
Commercial | Leases | Special Mention
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, year one	8	18
Term loans by origination year, year two	16	22
Term loans by origination year, year three	31	20
Term loans by origination year, year four	12	7
Term loans by origination year, year five	9	4
Prior year	0	1
Revolving	0	0
Revolving Converted to Term Loans	0	0
Total loans and leases	76	72
Commercial | Leases | Substandard
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, year one	16	28
Term loans by origination year, year two	31	32
Term loans by origination year, year three	24	21
Term loans by origination year, year four	14	19
Term loans by origination year, year five	14	6
Prior year	9	8
Revolving	0	0
Revolving Converted to Term Loans	0	0
Total loans and leases	108	114
Commercial | Leases | Doubtful
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, year one	1	3
Term loans by origination year, year two	3	4
Term loans by origination year, year three	3	3
Term loans by origination year, year four	2	1
Term loans by origination year, year five	1	1
Prior year	0	0
Revolving	0	0
Revolving Converted to Term Loans	0	0
Total loans and leases	10	12
Commercial | Leases | Ungraded
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, year one	0	0
Term loans by origination year, year two	0	0
Term loans by origination year, year three	0	0
Term loans by origination year, year four	0	0
Term loans by origination year, year five	0	0
Prior year	0	0
Revolving	0	0
Revolving Converted to Term Loans	0	0
Total loans and leases	0	0
SVB
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, year one	3,653	4,560
Term loans by origination year, year two	3,527	4,548
Term loans by origination year, year three	2,845	1,632
Term loans by origination year, year four	823	513
Term loans by origination year, year five	294	129
Prior year	56	60
Revolving	28,630	27,996
Revolving Converted to Term Loans	24	73
Total loans and leases	39,852	39,511
SVB | Current
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans and leases	39,817	39,396
SVB | 30-59 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans and leases	16	42
SVB | 60-89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans and leases	9	17
SVB | 90 Days or Greater
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans and leases	10	56
SVB | Global fund banking
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, year one	854	453
Term loans by origination year, year two	220	209
Term loans by origination year, year three	167	49
Term loans by origination year, year four	31	39
Term loans by origination year, year five	18	14
Prior year	14	3
Revolving	25,793	24,720
Revolving Converted to Term Loans	17	66
Total loans and leases	27,114	25,553
SVB | Global fund banking | Current
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans and leases	27,114	25,553
SVB | Global fund banking | 30-59 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans and leases	0	0
SVB | Global fund banking | 60-89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans and leases	0	0
SVB | Global fund banking | 90 Days or Greater
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans and leases	0	0
SVB | Global fund banking | Pass
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, year one	854	453
Term loans by origination year, year two	220	202
Term loans by origination year, year three	162	40
Term loans by origination year, year four	23	36
Term loans by origination year, year five	16	14
Prior year	14	3
Revolving	25,792	24,702
Revolving Converted to Term Loans	17	66
Total loans and leases	27,098	25,516
SVB | Global fund banking | Special Mention
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, year one	0	0
Term loans by origination year, year two	0	0
Term loans by origination year, year three	0	0
Term loans by origination year, year four	0	0
Term loans by origination year, year five	0	0
Prior year	0	0
Revolving	0	0
Revolving Converted to Term Loans	0	0
Total loans and leases	0	0
SVB | Global fund banking | Substandard
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, year one	0	0
Term loans by origination year, year two	0	7
Term loans by origination year, year three	5	9
Term loans by origination year, year four	8	3
Term loans by origination year, year five	2	0
Prior year	0	0
Revolving	1	18
Revolving Converted to Term Loans	0	0
Total loans and leases	16	37
SVB | Global fund banking | Doubtful
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, year one	0	0
Term loans by origination year, year two	0	0
Term loans by origination year, year three	0	0
Term loans by origination year, year four	0	0
Term loans by origination year, year five	0	0
Prior year	0	0
Revolving	0	0
Revolving Converted to Term Loans	0	0
Total loans and leases	0	0
SVB | Global fund banking | Ungraded
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, year one	0	0
Term loans by origination year, year two	0	0
Term loans by origination year, year three	0	0
Term loans by origination year, year four	0	0
Term loans by origination year, year five	0	0
Prior year	0	0
Revolving	0	0
Revolving Converted to Term Loans	0	0
Total loans and leases	0	0
SVB | Investor dependent - early stage
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, year one	273	481
Term loans by origination year, year two	422	617
Term loans by origination year, year three	252	140
Term loans by origination year, year four	36	7
Term loans by origination year, year five	0	1
Prior year	0	1
Revolving	142	154
Revolving Converted to Term Loans	3	2
Total loans and leases	1,128	1,403
SVB | Investor dependent - early stage | Current
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans and leases	1,121	1,372
SVB | Investor dependent - early stage | 30-59 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans and leases	2	10
SVB | Investor dependent - early stage | 60-89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans and leases	3	12
SVB | Investor dependent - early stage | 90 Days or Greater
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans and leases	2	9
SVB | Investor dependent - early stage | Pass
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, year one	242	421
Term loans by origination year, year two	321	453
Term loans by origination year, year three	157	85
Term loans by origination year, year four	18	4
Term loans by origination year, year five	0	1
Prior year	0	0
Revolving	96	99
Revolving Converted to Term Loans	3	2
Total loans and leases	837	1,065
SVB | Investor dependent - early stage | Special Mention
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, year one	3	8
Term loans by origination year, year two	17	14
Term loans by origination year, year three	1	1
Term loans by origination year, year four	1	0
Term loans by origination year, year five	0	0
Prior year	0	0
Revolving	0	0
Revolving Converted to Term Loans	0	0
Total loans and leases	22	23
SVB | Investor dependent - early stage | Substandard
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, year one	9	40
Term loans by origination year, year two	69	138
Term loans by origination year, year three	78	51
Term loans by origination year, year four	17	3
Term loans by origination year, year five	0	0
Prior year	0	0
Revolving	44	51
Revolving Converted to Term Loans	0	0
Total loans and leases	217	283
SVB | Investor dependent - early stage | Doubtful
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, year one	19	12
Term loans by origination year, year two	15	12
Term loans by origination year, year three	16	3
Term loans by origination year, year four	0	0
Term loans by origination year, year five	0	0
Prior year	0	1
Revolving	2	4
Revolving Converted to Term Loans	0	0
Total loans and leases	52	32
SVB | Investor dependent - early stage | Ungraded
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, year one	0	0
Term loans by origination year, year two	0	0
Term loans by origination year, year three	0	0
Term loans by origination year, year four	0	0
Term loans by origination year, year five	0	0
Prior year	0	0
Revolving	0	0
Revolving Converted to Term Loans	0	0
Total loans and leases	0	0
SVB | Investor dependent - growth stage
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, year one	783	1,106
Term loans by origination year, year two	753	1,196
Term loans by origination year, year three	566	320
Term loans by origination year, year four	79	32
Term loans by origination year, year five	1	9
Prior year	0	2
Revolving	248	227
Revolving Converted to Term Loans	4	5
Total loans and leases	2,434	2,897
SVB | Investor dependent - growth stage | Current
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans and leases	2,425	2,883
SVB | Investor dependent - growth stage | 30-59 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans and leases	0	5
SVB | Investor dependent - growth stage | 60-89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans and leases	3	2
SVB | Investor dependent - growth stage | 90 Days or Greater
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans and leases	6	7
SVB | Investor dependent - growth stage | Pass
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, year one	744	1,034
Term loans by origination year, year two	681	967
Term loans by origination year, year three	415	217
Term loans by origination year, year four	52	25
Term loans by origination year, year five	0	8
Prior year	0	2
Revolving	202	198
Revolving Converted to Term Loans	4	5
Total loans and leases	2,098	2,456
SVB | Investor dependent - growth stage | Special Mention
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, year one	5	6
Term loans by origination year, year two	15	25
Term loans by origination year, year three	9	0
Term loans by origination year, year four	1	0
Term loans by origination year, year five	0	0
Prior year	0	0
Revolving	26	0
Revolving Converted to Term Loans	0	0
Total loans and leases	56	31
SVB | Investor dependent - growth stage | Substandard
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, year one	26	66
Term loans by origination year, year two	53	192
Term loans by origination year, year three	129	83
Term loans by origination year, year four	17	7
Term loans by origination year, year five	1	1
Prior year	0	0
Revolving	18	27
Revolving Converted to Term Loans	0	0
Total loans and leases	244	376
SVB | Investor dependent - growth stage | Doubtful
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, year one	8	0
Term loans by origination year, year two	4	12
Term loans by origination year, year three	13	20
Term loans by origination year, year four	9	0
Term loans by origination year, year five	0	0
Prior year	0	0
Revolving	2	2
Revolving Converted to Term Loans	0	0
Total loans and leases	36	34
SVB | Investor dependent - growth stage | Ungraded
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, year one	0	0
Term loans by origination year, year two	0	0
Term loans by origination year, year three	0	0
Term loans by origination year, year four	0	0
Term loans by origination year, year five	0	0
Prior year	0	0
Revolving	0	0
Revolving Converted to Term Loans	0	0
Total loans and leases	0	0
SVB | Innovation C&I and cash flow dependent
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, year one	1,743	2,520
Term loans by origination year, year two	2,132	2,526
Term loans by origination year, year three	1,860	1,123
Term loans by origination year, year four	677	435
Term loans by origination year, year five	275	105
Prior year	42	54
Revolving	2,447	2,895
Revolving Converted to Term Loans	0	0
Total loans and leases	9,176	9,658
SVB | Innovation C&I and cash flow dependent | Current
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans and leases	9,157	9,588
SVB | Innovation C&I and cash flow dependent | 30-59 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans and leases	14	27
SVB | Innovation C&I and cash flow dependent | 60-89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans and leases	3	3
SVB | Innovation C&I and cash flow dependent | 90 Days or Greater
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans and leases	2	40
SVB | Innovation C&I and cash flow dependent | Pass
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, year one	1,523	2,370
Term loans by origination year, year two	1,781	2,238
Term loans by origination year, year three	1,476	833
Term loans by origination year, year four	465	293
Term loans by origination year, year five	204	80
Prior year	25	44
Revolving	2,009	2,598
Revolving Converted to Term Loans	0	0
Total loans and leases	7,483	8,456
SVB | Innovation C&I and cash flow dependent | Special Mention
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, year one	108	99
Term loans by origination year, year two	169	103
Term loans by origination year, year three	123	36
Term loans by origination year, year four	55	66
Term loans by origination year, year five	4	0
Prior year	17	0
Revolving	91	92
Revolving Converted to Term Loans	0	0
Total loans and leases	567	396
SVB | Innovation C&I and cash flow dependent | Substandard
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, year one	112	51
Term loans by origination year, year two	182	185
Term loans by origination year, year three	254	254
Term loans by origination year, year four	157	76
Term loans by origination year, year five	67	25
Prior year	0	0
Revolving	242	175
Revolving Converted to Term Loans	0	0
Total loans and leases	1,014	766
SVB | Innovation C&I and cash flow dependent | Doubtful
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, year one	0	0
Term loans by origination year, year two	0	0
Term loans by origination year, year three	7	0
Term loans by origination year, year four	0	0
Term loans by origination year, year five	0	0
Prior year	0	10
Revolving	105	30
Revolving Converted to Term Loans	0	0
Total loans and leases	112	40
SVB | Innovation C&I and cash flow dependent | Ungraded
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, year one	0	0
Term loans by origination year, year two	0	0
Term loans by origination year, year three	0	0
Term loans by origination year, year four	0	0
Term loans by origination year, year five	0	0
Prior year	0	0
Revolving	0	0
Revolving Converted to Term Loans	0	0
Total loans and leases	0	0
Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, year one	2,430	3,903
Term loans by origination year, year two	3,637	6,212
Term loans by origination year, year three	5,800	5,860
Term loans by origination year, year four	5,485	3,331
Term loans by origination year, year five	3,105	1,455
Prior year	4,792	3,920
Revolving	3,215	2,787
Revolving Converted to Term Loans	118	91
Total loans and leases	28,582	27,559
Consumer | Current
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans and leases	28,252	27,259
Consumer | 30-59 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans and leases	167	168
Consumer | 60-89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans and leases	45	42
Consumer | 90 Days or Greater
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans and leases	118	90
Consumer | Residential mortgage
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, year one	1,785	3,160
Term loans by origination year, year two	3,058	5,609
Term loans by origination year, year three	5,376	5,543
Term loans by origination year, year four	5,267	3,191
Term loans by origination year, year five	3,016	1,393
Prior year	4,731	3,867
Revolving	4	13
Revolving Converted to Term Loans	0	0
Total loans and leases	23,237	22,776
Consumer | Residential mortgage | Current
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, year one	1,783	3,155
Term loans by origination year, year two	3,046	5,588
Term loans by origination year, year three	5,352	5,521
Term loans by origination year, year four	5,244	3,174
Term loans by origination year, year five	2,988	1,381
Prior year	4,555	3,702
Revolving	4	13
Revolving Converted to Term Loans	0	0
Total loans and leases	22,972	22,534
Consumer | Residential mortgage | 30-59 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, year one	2	3
Term loans by origination year, year two	9	16
Term loans by origination year, year three	15	15
Term loans by origination year, year four	10	7
Term loans by origination year, year five	14	10
Prior year	82	85
Revolving	0	0
Revolving Converted to Term Loans	0	0
Total loans and leases	132	136
Consumer | Residential mortgage | 60-89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, year one	0	1
Term loans by origination year, year two	0	1
Term loans by origination year, year three	2	5
Term loans by origination year, year four	3	4
Term loans by origination year, year five	4	1
Prior year	24	21
Revolving	0	0
Revolving Converted to Term Loans	0	0
Total loans and leases	33	33
Consumer | Residential mortgage | 90 Days or Greater
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, year one	0	1
Term loans by origination year, year two	3	4
Term loans by origination year, year three	7	2
Term loans by origination year, year four	10	6
Term loans by origination year, year five	10	1
Prior year	70	59
Revolving	0	0
Revolving Converted to Term Loans	0	0
Total loans and leases	100	73
Consumer | Revolving mortgage
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, year one	0	0
Term loans by origination year, year two	0	0
Term loans by origination year, year three	0	0
Term loans by origination year, year four	0	0
Term loans by origination year, year five	0	0
Prior year	0	0
Revolving	2,337	2,074
Revolving Converted to Term Loans	118	91
Total loans and leases	2,455	2,165
Consumer | Revolving mortgage | Current
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, year one	0	0
Term loans by origination year, year two	0	0
Term loans by origination year, year three	0	0
Term loans by origination year, year four	0	0
Term loans by origination year, year five	0	0
Prior year	0	0
Revolving	2,320	2,056
Revolving Converted to Term Loans	100	80
Total loans and leases	2,420	2,136
Consumer | Revolving mortgage | 30-59 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, year one	0	0
Term loans by origination year, year two	0	0
Term loans by origination year, year three	0	0
Term loans by origination year, year four	0	0
Term loans by origination year, year five	0	0
Prior year	0	0
Revolving	13	11
Revolving Converted to Term Loans	5	4
Total loans and leases	18	15
Consumer | Revolving mortgage | 60-89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, year one	0	0
Term loans by origination year, year two	0	0
Term loans by origination year, year three	0	0
Term loans by origination year, year four	0	0
Term loans by origination year, year five	0	0
Prior year	0	0
Revolving	1	1
Revolving Converted to Term Loans	5	2
Total loans and leases	6	3
Consumer | Revolving mortgage | 90 Days or Greater
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, year one	0	0
Term loans by origination year, year two	0	0
Term loans by origination year, year three	0	0
Term loans by origination year, year four	0	0
Term loans by origination year, year five	0	0
Prior year	0	0
Revolving	3	6
Revolving Converted to Term Loans	8	5
Total loans and leases	11	11
Consumer | Consumer auto
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, year one	517	527
Term loans by origination year, year two	406	432
Term loans by origination year, year three	316	265
Term loans by origination year, year four	183	132
Term loans by origination year, year five	83	57
Prior year	38	29
Revolving	0	0
Revolving Converted to Term Loans	0	0
Total loans and leases	1,543	1,442
Consumer | Consumer auto | Current
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, year one	516	525
Term loans by origination year, year two	400	427
Term loans by origination year, year three	311	261
Term loans by origination year, year four	180	131
Term loans by origination year, year five	82	56
Prior year	37	28
Revolving	0	0
Revolving Converted to Term Loans	0	0
Total loans and leases	1,526	1,428
Consumer | Consumer auto | 30-59 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, year one	1	1
Term loans by origination year, year two	3	3
Term loans by origination year, year three	3	2
Term loans by origination year, year four	2	1
Term loans by origination year, year five	1	1
Prior year	1	1
Revolving	0	0
Revolving Converted to Term Loans	0	0
Total loans and leases	11	9
Consumer | Consumer auto | 60-89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, year one	0	1
Term loans by origination year, year two	2	1
Term loans by origination year, year three	1	1
Term loans by origination year, year four	0	0
Term loans by origination year, year five	0	0
Prior year	0	0
Revolving	0	0
Revolving Converted to Term Loans	0	0
Total loans and leases	3	3
Consumer | Consumer auto | 90 Days or Greater
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, year one	0	0
Term loans by origination year, year two	1	1
Term loans by origination year, year three	1	1
Term loans by origination year, year four	1	0
Term loans by origination year, year five	0	0
Prior year	0	0
Revolving	0	0
Revolving Converted to Term Loans	0	0
Total loans and leases	3	2
Consumer | Consumer other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, year one	128	216
Term loans by origination year, year two	173	171
Term loans by origination year, year three	108	52
Term loans by origination year, year four	35	8
Term loans by origination year, year five	6	5
Prior year	23	24
Revolving	874	700
Revolving Converted to Term Loans	0	0
Total loans and leases	1,347	1,176
Consumer | Consumer other | Current
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, year one	127	215
Term loans by origination year, year two	172	170
Term loans by origination year, year three	108	52
Term loans by origination year, year four	35	8
Term loans by origination year, year five	6	5
Prior year	20	21
Revolving	866	690
Revolving Converted to Term Loans	0	0
Total loans and leases	1,334	1,161
Consumer | Consumer other | 30-59 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, year one	1	1
Term loans by origination year, year two	0	1
Term loans by origination year, year three	0	0
Term loans by origination year, year four	0	0
Term loans by origination year, year five	0	0
Prior year	1	0
Revolving	4	6
Revolving Converted to Term Loans	0	0
Total loans and leases	6	8
Consumer | Consumer other | 60-89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, year one	0	0
Term loans by origination year, year two	1	0
Term loans by origination year, year three	0	0
Term loans by origination year, year four	0	0
Term loans by origination year, year five	0	0
Prior year	0	1
Revolving	2	2
Revolving Converted to Term Loans	0	0
Total loans and leases	3	3
Consumer | Consumer other | 90 Days or Greater
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term loans by origination year, year one	0	0
Term loans by origination year, year two	0	0
Term loans by origination year, year three	0	0
Term loans by origination year, year four	0	0
Term loans by origination year, year five	0	0
Prior year	2	2
Revolving	2	2
Revolving Converted to Term Loans	0	0
Total loans and leases	$ 4	$ 4