LOANS AND LEASES - Vintage Credit Quality (Details) - USD ($) $ in Millions |
Sep. 30, 2021 |
Dec. 31, 2020 |
Commercial |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
2020 |
$ 11,152
|
$ 13,211
|
2019 |
7,316
|
4,398
|
2018 |
4,688
|
2,784
|
2017 |
2,996
|
1,419
|
2016 |
1,401
|
910
|
Prior |
1,595
|
985
|
Revolver Total at Amortized Cost Basis |
11,301
|
9,442
|
Revolver Total Converted to Term Loans |
3
|
2
|
Total |
40,452
|
33,151
|
Interest Receivable |
146
|
146
|
Commercial | Pass |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
2020 |
10,821
|
12,599
|
2019 |
6,941
|
4,161
|
2018 |
4,246
|
2,537
|
2017 |
2,626
|
1,192
|
2016 |
1,222
|
837
|
Prior |
1,320
|
815
|
Revolver Total at Amortized Cost Basis |
10,698
|
8,894
|
Revolver Total Converted to Term Loans |
3
|
2
|
Total |
37,877
|
31,037
|
Commercial | OLEM |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
2020 |
148
|
415
|
2019 |
204
|
112
|
2018 |
176
|
65
|
2017 |
122
|
24
|
2016 |
33
|
32
|
Prior |
81
|
22
|
Revolver Total at Amortized Cost Basis |
133
|
124
|
Revolver Total Converted to Term Loans |
0
|
0
|
Total |
897
|
794
|
Commercial | Substandard |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
2020 |
182
|
195
|
2019 |
171
|
125
|
2018 |
266
|
181
|
2017 |
244
|
203
|
2016 |
146
|
41
|
Prior |
193
|
147
|
Revolver Total at Amortized Cost Basis |
469
|
423
|
Revolver Total Converted to Term Loans |
0
|
0
|
Total |
1,671
|
1,315
|
Commercial | Doubtful |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
2020 |
1
|
2
|
2019 |
0
|
0
|
2018 |
0
|
1
|
2017 |
4
|
0
|
2016 |
0
|
0
|
Prior |
1
|
1
|
Revolver Total at Amortized Cost Basis |
1
|
1
|
Revolver Total Converted to Term Loans |
0
|
0
|
Total |
7
|
5
|
Commercial real estate |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
2020 |
2,898
|
1,863
|
2019 |
3,269
|
1,734
|
2018 |
3,345
|
1,195
|
2017 |
1,981
|
573
|
2016 |
1,160
|
593
|
Prior |
1,409
|
568
|
Revolver Total at Amortized Cost Basis |
632
|
673
|
Revolver Total Converted to Term Loans |
0
|
0
|
Total |
14,694
|
7,199
|
Commercial real estate | Pass |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
2020 |
2,561
|
1,742
|
2019 |
2,813
|
1,610
|
2018 |
2,939
|
1,122
|
2017 |
1,769
|
507
|
2016 |
929
|
507
|
Prior |
1,286
|
539
|
Revolver Total at Amortized Cost Basis |
613
|
633
|
Revolver Total Converted to Term Loans |
0
|
0
|
Total |
12,910
|
6,660
|
Commercial real estate | OLEM |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
2020 |
57
|
94
|
2019 |
172
|
78
|
2018 |
77
|
63
|
2017 |
78
|
37
|
2016 |
82
|
28
|
Prior |
46
|
14
|
Revolver Total at Amortized Cost Basis |
1
|
4
|
Revolver Total Converted to Term Loans |
0
|
0
|
Total |
513
|
318
|
Commercial real estate | Substandard |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
2020 |
280
|
27
|
2019 |
284
|
46
|
2018 |
329
|
10
|
2017 |
134
|
29
|
2016 |
149
|
58
|
Prior |
77
|
14
|
Revolver Total at Amortized Cost Basis |
18
|
36
|
Revolver Total Converted to Term Loans |
0
|
0
|
Total |
1,271
|
220
|
Commercial real estate | Doubtful |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
2020 |
|
0
|
2019 |
|
0
|
2018 |
|
0
|
2017 |
|
0
|
2016 |
|
0
|
Prior |
|
1
|
Revolver Total at Amortized Cost Basis |
|
0
|
Revolver Total Converted to Term Loans |
|
0
|
Total |
|
1
|
Consumer |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
Interest Receivable |
143
|
123
|
Consumer | Automobile |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
2020 |
4,412
|
4,947
|
2019 |
3,806
|
3,657
|
2018 |
2,630
|
2,143
|
2017 |
1,392
|
1,285
|
2016 |
740
|
576
|
Prior |
325
|
170
|
Revolver Total at Amortized Cost Basis |
0
|
0
|
Revolver Total Converted to Term Loans |
0
|
0
|
Total |
13,305
|
12,778
|
Consumer | Automobile | 750 plus |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
2020 |
2,250
|
2,670
|
2019 |
2,112
|
2,013
|
2018 |
1,563
|
1,144
|
2017 |
785
|
742
|
2016 |
441
|
317
|
Prior |
174
|
81
|
Revolver Total at Amortized Cost Basis |
0
|
0
|
Revolver Total Converted to Term Loans |
0
|
0
|
Total |
7,325
|
6,967
|
Consumer | Automobile | 650-749 |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
2020 |
1,879
|
1,965
|
2019 |
1,442
|
1,343
|
2018 |
867
|
755
|
2017 |
458
|
386
|
2016 |
212
|
175
|
Prior |
96
|
52
|
Revolver Total at Amortized Cost Basis |
0
|
0
|
Revolver Total Converted to Term Loans |
0
|
0
|
Total |
4,954
|
4,676
|
Consumer | Automobile | Less than 650 |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
2020 |
283
|
312
|
2019 |
252
|
301
|
2018 |
200
|
244
|
2017 |
149
|
157
|
2016 |
87
|
84
|
Prior |
55
|
37
|
Revolver Total at Amortized Cost Basis |
0
|
0
|
Revolver Total Converted to Term Loans |
0
|
0
|
Total |
1,026
|
1,135
|
Consumer | Home equity |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
2020 |
713
|
941
|
2019 |
978
|
36
|
2018 |
229
|
35
|
2017 |
160
|
44
|
2016 |
122
|
122
|
Prior |
805
|
678
|
Revolver Total at Amortized Cost Basis |
7,447
|
6,565
|
Revolver Total Converted to Term Loans |
464
|
472
|
Total |
10,918
|
8,893
|
Consumer | Home equity | 750 plus |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
2020 |
570
|
793
|
2019 |
812
|
26
|
2018 |
101
|
26
|
2017 |
70
|
32
|
2016 |
61
|
89
|
Prior |
459
|
451
|
Revolver Total at Amortized Cost Basis |
4,796
|
4,373
|
Revolver Total Converted to Term Loans |
201
|
192
|
Total |
7,070
|
5,982
|
Consumer | Home equity | 650-749 |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
2020 |
138
|
147
|
2019 |
156
|
9
|
2018 |
98
|
8
|
2017 |
62
|
11
|
2016 |
38
|
27
|
Prior |
232
|
157
|
Revolver Total at Amortized Cost Basis |
2,320
|
1,906
|
Revolver Total Converted to Term Loans |
172
|
181
|
Total |
3,216
|
2,446
|
Consumer | Home equity | Less than 650 |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
2020 |
5
|
1
|
2019 |
10
|
1
|
2018 |
30
|
1
|
2017 |
28
|
1
|
2016 |
23
|
6
|
Prior |
114
|
70
|
Revolver Total at Amortized Cost Basis |
331
|
286
|
Revolver Total Converted to Term Loans |
91
|
99
|
Total |
632
|
465
|
Consumer | Residential mortgage | 750 plus |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
2020 |
4,359
|
3,269
|
2019 |
4,253
|
1,370
|
2018 |
1,214
|
891
|
2017 |
678
|
1,064
|
2016 |
817
|
762
|
Prior |
2,132
|
1,243
|
Revolver Total at Amortized Cost Basis |
0
|
1
|
Revolver Total Converted to Term Loans |
0
|
0
|
Total |
13,453
|
8,600
|
Consumer | Residential mortgage | 650-749 |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
2020 |
1,443
|
991
|
2019 |
960
|
435
|
2018 |
420
|
307
|
2017 |
301
|
278
|
2016 |
270
|
171
|
Prior |
975
|
495
|
Revolver Total at Amortized Cost Basis |
0
|
0
|
Revolver Total Converted to Term Loans |
0
|
0
|
Total |
4,369
|
2,677
|
Consumer | Residential mortgage | Less than 650 |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
2020 |
39
|
34
|
2019 |
56
|
89
|
2018 |
99
|
111
|
2017 |
125
|
108
|
2016 |
102
|
81
|
Prior |
541
|
348
|
Revolver Total at Amortized Cost Basis |
0
|
0
|
Revolver Total Converted to Term Loans |
0
|
0
|
Total |
962
|
771
|
Consumer | RV and marine |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
2020 |
1,339
|
1,488
|
2019 |
1,296
|
755
|
2018 |
702
|
811
|
2017 |
711
|
495
|
2016 |
440
|
229
|
Prior |
564
|
412
|
Revolver Total at Amortized Cost Basis |
0
|
0
|
Revolver Total Converted to Term Loans |
0
|
0
|
Total |
5,052
|
4,190
|
Consumer | RV and marine | 750 plus |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
2020 |
1,022
|
1,136
|
2019 |
982
|
525
|
2018 |
495
|
589
|
2017 |
518
|
337
|
2016 |
301
|
153
|
Prior |
364
|
254
|
Revolver Total at Amortized Cost Basis |
0
|
0
|
Revolver Total Converted to Term Loans |
0
|
0
|
Total |
3,682
|
2,994
|
Consumer | RV and marine | 650-749 |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
2020 |
312
|
348
|
2019 |
303
|
215
|
2018 |
190
|
201
|
2017 |
173
|
136
|
2016 |
117
|
64
|
Prior |
167
|
129
|
Revolver Total at Amortized Cost Basis |
0
|
0
|
Revolver Total Converted to Term Loans |
0
|
0
|
Total |
1,262
|
1,093
|
Consumer | RV and marine | Less than 650 |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
2020 |
5
|
4
|
2019 |
11
|
15
|
2018 |
17
|
21
|
2017 |
20
|
22
|
2016 |
22
|
12
|
Prior |
33
|
29
|
Revolver Total at Amortized Cost Basis |
0
|
0
|
Revolver Total Converted to Term Loans |
0
|
0
|
Total |
108
|
103
|
Consumer | Other consumer |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
2020 |
531
|
107
|
2019 |
251
|
122
|
2018 |
292
|
46
|
2017 |
100
|
14
|
2016 |
38
|
6
|
Prior |
82
|
18
|
Revolver Total at Amortized Cost Basis |
894
|
660
|
Revolver Total Converted to Term Loans |
44
|
60
|
Total |
2,232
|
1,033
|
Consumer | Other consumer | 750 plus |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
2020 |
486
|
69
|
2019 |
217
|
58
|
2018 |
239
|
26
|
2017 |
83
|
8
|
2016 |
32
|
4
|
Prior |
73
|
14
|
Revolver Total at Amortized Cost Basis |
586
|
340
|
Revolver Total Converted to Term Loans |
2
|
2
|
Total |
1,718
|
521
|
Consumer | Other consumer | 650-749 |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
2020 |
42
|
36
|
2019 |
32
|
56
|
2018 |
46
|
17
|
2017 |
14
|
5
|
2016 |
5
|
2
|
Prior |
7
|
3
|
Revolver Total at Amortized Cost Basis |
282
|
294
|
Revolver Total Converted to Term Loans |
24
|
30
|
Total |
452
|
443
|
Consumer | Other consumer | Less than 650 |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
2020 |
3
|
2
|
2019 |
2
|
8
|
2018 |
7
|
3
|
2017 |
3
|
1
|
2016 |
1
|
0
|
Prior |
2
|
1
|
Revolver Total at Amortized Cost Basis |
26
|
26
|
Revolver Total Converted to Term Loans |
18
|
28
|
Total |
62
|
69
|
Consumer | Residential Mortgage |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
2020 |
5,841
|
4,294
|
2019 |
5,269
|
1,894
|
2018 |
1,733
|
1,309
|
2017 |
1,104
|
1,450
|
2016 |
1,189
|
1,014
|
Prior |
3,648
|
2,086
|
Revolver Total at Amortized Cost Basis |
0
|
1
|
Revolver Total Converted to Term Loans |
0
|
0
|
Total |
18,784
|
12,048
|
Financing Lease |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
2020 |
1,394
|
1,165
|
2019 |
1,679
|
387
|
2018 |
942
|
232
|
2017 |
504
|
182
|
2016 |
294
|
143
|
Prior |
178
|
113
|
Revolver Total at Amortized Cost Basis |
0
|
0
|
Revolver Total Converted to Term Loans |
0
|
0
|
Total |
4,991
|
2,222
|
Financing Lease | Pass |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
2020 |
1,383
|
1,158
|
2019 |
1,655
|
364
|
2018 |
915
|
221
|
2017 |
499
|
155
|
2016 |
282
|
137
|
Prior |
168
|
101
|
Revolver Total at Amortized Cost Basis |
0
|
0
|
Revolver Total Converted to Term Loans |
0
|
0
|
Total |
4,902
|
2,136
|
Financing Lease | OLEM |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
2020 |
8
|
6
|
2019 |
10
|
4
|
2018 |
9
|
4
|
2017 |
4
|
6
|
2016 |
4
|
1
|
Prior |
1
|
0
|
Revolver Total at Amortized Cost Basis |
0
|
0
|
Revolver Total Converted to Term Loans |
0
|
0
|
Total |
36
|
21
|
Financing Lease | Substandard |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
2020 |
3
|
1
|
2019 |
14
|
19
|
2018 |
18
|
7
|
2017 |
1
|
21
|
2016 |
8
|
5
|
Prior |
9
|
12
|
Revolver Total at Amortized Cost Basis |
0
|
0
|
Revolver Total Converted to Term Loans |
0
|
0
|
Total |
$ 53
|
$ 65
|