LOANS AND LEASES - Vintage and Credit Quality (Details) - USD ($) $ in Millions |
Sep. 30, 2024 |
Dec. 31, 2023 |
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
Total |
$ 126,387
|
$ 121,982
|
Commercial and industrial |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
Total |
53,601
|
50,657
|
Automobile |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
Total |
14,003
|
12,482
|
Home equity |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
Total |
10,129
|
10,113
|
RV and marine |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
Total |
6,042
|
5,899
|
Other consumer |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
Total |
1,627
|
1,461
|
Commercial |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
Total |
70,486
|
68,307
|
Commercial | Commercial and industrial |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
2024 |
11,784
|
15,283
|
2023 |
9,413
|
10,433
|
2022 |
7,659
|
3,925
|
2021 |
2,941
|
2,321
|
2020 |
1,808
|
1,282
|
Prior |
2,151
|
1,635
|
Revolver Total at Amortized Cost Basis |
17,839
|
15,775
|
Revolver Total Converted to Term Loans |
6
|
3
|
Total |
53,601
|
50,657
|
Commercial | Commercial and industrial | Pass |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
2024 |
11,336
|
14,677
|
2023 |
8,855
|
9,889
|
2022 |
7,091
|
3,673
|
2021 |
2,722
|
2,151
|
2020 |
1,695
|
1,187
|
Prior |
1,938
|
1,431
|
Revolver Total at Amortized Cost Basis |
16,729
|
14,563
|
Revolver Total Converted to Term Loans |
6
|
3
|
Total |
50,372
|
47,574
|
Commercial | Commercial and industrial | OLEM |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
2024 |
94
|
213
|
2023 |
157
|
239
|
2022 |
152
|
64
|
2021 |
50
|
20
|
2020 |
13
|
12
|
Prior |
28
|
20
|
Revolver Total at Amortized Cost Basis |
215
|
462
|
Revolver Total Converted to Term Loans |
0
|
0
|
Total |
709
|
1,030
|
Commercial | Commercial and industrial | Substandard |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
2024 |
354
|
393
|
2023 |
396
|
305
|
2022 |
409
|
188
|
2021 |
169
|
150
|
2020 |
100
|
83
|
Prior |
184
|
184
|
Revolver Total at Amortized Cost Basis |
895
|
750
|
Revolver Total Converted to Term Loans |
0
|
0
|
Total |
2,507
|
2,053
|
Commercial | Commercial and industrial | Doubtful |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
2024 |
0
|
|
2023 |
5
|
|
2022 |
7
|
|
2021 |
0
|
|
2020 |
0
|
|
Prior |
1
|
|
Revolver Total at Amortized Cost Basis |
0
|
|
Revolver Total Converted to Term Loans |
0
|
|
Total |
13
|
|
Commercial real estate |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
2024 |
1,164
|
1,722
|
2023 |
1,278
|
4,063
|
2022 |
3,604
|
2,062
|
2021 |
1,690
|
1,138
|
2020 |
1,000
|
1,321
|
Prior |
2,225
|
1,456
|
Revolver Total at Amortized Cost Basis |
582
|
660
|
Revolver Total Converted to Term Loans |
0
|
0
|
Total |
11,543
|
12,422
|
Commercial real estate | Pass |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
2024 |
934
|
1,395
|
2023 |
1,166
|
3,253
|
2022 |
3,076
|
1,774
|
2021 |
1,425
|
1,063
|
2020 |
996
|
1,152
|
Prior |
1,999
|
1,288
|
Revolver Total at Amortized Cost Basis |
571
|
585
|
Revolver Total Converted to Term Loans |
0
|
0
|
Total |
10,167
|
10,510
|
Commercial real estate | OLEM |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
2024 |
8
|
163
|
2023 |
75
|
406
|
2022 |
259
|
112
|
2021 |
142
|
65
|
2020 |
0
|
32
|
Prior |
65
|
54
|
Revolver Total at Amortized Cost Basis |
0
|
60
|
Revolver Total Converted to Term Loans |
0
|
0
|
Total |
549
|
892
|
Commercial real estate | Substandard |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
2024 |
222
|
164
|
2023 |
37
|
404
|
2022 |
269
|
176
|
2021 |
123
|
10
|
2020 |
4
|
137
|
Prior |
161
|
114
|
Revolver Total at Amortized Cost Basis |
11
|
15
|
Revolver Total Converted to Term Loans |
0
|
0
|
Total |
827
|
1,020
|
Lease financing |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
2024 |
1,352
|
2,009
|
2023 |
1,744
|
1,372
|
2022 |
1,022
|
865
|
2021 |
618
|
604
|
2020 |
412
|
258
|
Prior |
194
|
120
|
Revolver Total at Amortized Cost Basis |
0
|
0
|
Revolver Total Converted to Term Loans |
0
|
0
|
Total |
5,342
|
5,228
|
Lease financing | Pass |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
2024 |
1,349
|
1,973
|
2023 |
1,728
|
1,284
|
2022 |
990
|
828
|
2021 |
610
|
583
|
2020 |
400
|
243
|
Prior |
185
|
106
|
Revolver Total at Amortized Cost Basis |
0
|
0
|
Revolver Total Converted to Term Loans |
0
|
0
|
Total |
5,262
|
5,017
|
Lease financing | OLEM |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
2024 |
1
|
16
|
2023 |
2
|
22
|
2022 |
3
|
6
|
2021 |
2
|
5
|
2020 |
6
|
2
|
Prior |
1
|
9
|
Revolver Total at Amortized Cost Basis |
0
|
0
|
Revolver Total Converted to Term Loans |
0
|
0
|
Total |
15
|
60
|
Lease financing | Substandard |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
2024 |
2
|
20
|
2023 |
14
|
66
|
2022 |
29
|
31
|
2021 |
6
|
16
|
2020 |
6
|
13
|
Prior |
8
|
5
|
Revolver Total at Amortized Cost Basis |
0
|
0
|
Revolver Total Converted to Term Loans |
0
|
0
|
Total |
65
|
151
|
Consumer |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
Total |
55,901
|
53,675
|
Consumer | Residential mortgage |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
2024 |
1,776
|
3,051
|
2023 |
3,026
|
5,066
|
2022 |
4,866
|
7,074
|
2021 |
6,639
|
3,866
|
2020 |
3,587
|
1,020
|
Prior |
4,031
|
3,469
|
Revolver Total at Amortized Cost Basis |
0
|
0
|
Revolver Total Converted to Term Loans |
0
|
0
|
Total |
23,925
|
23,546
|
Consumer | Residential mortgage | 750+ |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
2024 |
1,148
|
2,077
|
2023 |
2,354
|
3,963
|
2022 |
4,010
|
6,028
|
2021 |
5,733
|
3,292
|
2020 |
3,068
|
749
|
Prior |
2,649
|
2,191
|
Revolver Total at Amortized Cost Basis |
0
|
0
|
Revolver Total Converted to Term Loans |
0
|
0
|
Total |
18,962
|
18,300
|
Consumer | Residential mortgage | 650-749 |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
2024 |
592
|
950
|
2023 |
617
|
1,024
|
2022 |
746
|
964
|
2021 |
800
|
510
|
2020 |
452
|
186
|
Prior |
818
|
775
|
Revolver Total at Amortized Cost Basis |
0
|
0
|
Revolver Total Converted to Term Loans |
0
|
0
|
Total |
4,025
|
4,409
|
Consumer | Residential mortgage | Less than 650 |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
2024 |
36
|
24
|
2023 |
55
|
79
|
2022 |
110
|
82
|
2021 |
106
|
64
|
2020 |
67
|
85
|
Prior |
564
|
503
|
Revolver Total at Amortized Cost Basis |
0
|
0
|
Revolver Total Converted to Term Loans |
0
|
0
|
Total |
938
|
837
|
Consumer | Automobile |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
2024 |
5,338
|
4,232
|
2023 |
3,213
|
3,550
|
2022 |
2,597
|
2,698
|
2021 |
1,836
|
1,228
|
2020 |
720
|
599
|
Prior |
299
|
175
|
Revolver Total at Amortized Cost Basis |
0
|
0
|
Revolver Total Converted to Term Loans |
0
|
0
|
Total |
14,003
|
12,482
|
Consumer | Automobile | 750+ |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
2024 |
3,249
|
2,624
|
2023 |
1,817
|
1,964
|
2022 |
1,503
|
1,525
|
2021 |
1,065
|
740
|
2020 |
432
|
367
|
Prior |
167
|
85
|
Revolver Total at Amortized Cost Basis |
0
|
0
|
Revolver Total Converted to Term Loans |
0
|
0
|
Total |
8,233
|
7,305
|
Consumer | Automobile | 650-749 |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
2024 |
1,872
|
1,438
|
2023 |
1,138
|
1,305
|
2022 |
827
|
907
|
2021 |
544
|
370
|
2020 |
201
|
168
|
Prior |
82
|
53
|
Revolver Total at Amortized Cost Basis |
0
|
0
|
Revolver Total Converted to Term Loans |
0
|
0
|
Total |
4,664
|
4,241
|
Consumer | Automobile | Less than 650 |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
2024 |
217
|
170
|
2023 |
258
|
281
|
2022 |
267
|
266
|
2021 |
227
|
118
|
2020 |
87
|
64
|
Prior |
50
|
37
|
Revolver Total at Amortized Cost Basis |
0
|
0
|
Revolver Total Converted to Term Loans |
0
|
0
|
Total |
1,106
|
936
|
Consumer | Home equity |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
2024 |
213
|
519
|
2023 |
455
|
535
|
2022 |
480
|
580
|
2021 |
520
|
594
|
2020 |
533
|
26
|
Prior |
336
|
388
|
Revolver Total at Amortized Cost Basis |
7,004
|
6,881
|
Revolver Total Converted to Term Loans |
588
|
590
|
Total |
10,129
|
10,113
|
Consumer | Home equity | 750+ |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
2024 |
154
|
381
|
2023 |
350
|
429
|
2022 |
388
|
512
|
2021 |
464
|
534
|
2020 |
482
|
17
|
Prior |
212
|
244
|
Revolver Total at Amortized Cost Basis |
4,543
|
4,454
|
Revolver Total Converted to Term Loans |
230
|
233
|
Total |
6,823
|
6,804
|
Consumer | Home equity | 650-749 |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
2024 |
57
|
136
|
2023 |
98
|
100
|
2022 |
82
|
65
|
2021 |
52
|
57
|
2020 |
47
|
7
|
Prior |
82
|
101
|
Revolver Total at Amortized Cost Basis |
2,039
|
2,083
|
Revolver Total Converted to Term Loans |
220
|
230
|
Total |
2,677
|
2,779
|
Consumer | Home equity | Less than 650 |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
2024 |
2
|
2
|
2023 |
7
|
6
|
2022 |
10
|
3
|
2021 |
4
|
3
|
2020 |
4
|
2
|
Prior |
42
|
43
|
Revolver Total at Amortized Cost Basis |
422
|
344
|
Revolver Total Converted to Term Loans |
138
|
127
|
Total |
629
|
530
|
Consumer | RV and marine |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
2024 |
1,010
|
1,499
|
2023 |
1,268
|
1,231
|
2022 |
1,080
|
1,140
|
2021 |
990
|
764
|
2020 |
651
|
400
|
Prior |
1,043
|
865
|
Revolver Total at Amortized Cost Basis |
0
|
0
|
Revolver Total Converted to Term Loans |
0
|
0
|
Total |
6,042
|
5,899
|
Consumer | RV and marine | 750+ |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
2024 |
805
|
1,206
|
2023 |
956
|
971
|
2022 |
850
|
867
|
2021 |
745
|
588
|
2020 |
499
|
295
|
Prior |
745
|
612
|
Revolver Total at Amortized Cost Basis |
0
|
0
|
Revolver Total Converted to Term Loans |
0
|
0
|
Total |
4,600
|
4,539
|
Consumer | RV and marine | 650-749 |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
2024 |
201
|
289
|
2023 |
293
|
248
|
2022 |
208
|
252
|
2021 |
213
|
158
|
2020 |
130
|
91
|
Prior |
240
|
210
|
Revolver Total at Amortized Cost Basis |
0
|
0
|
Revolver Total Converted to Term Loans |
0
|
0
|
Total |
1,285
|
1,248
|
Consumer | RV and marine | Less than 650 |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
2024 |
4
|
4
|
2023 |
19
|
12
|
2022 |
22
|
21
|
2021 |
32
|
18
|
2020 |
22
|
14
|
Prior |
58
|
43
|
Revolver Total at Amortized Cost Basis |
0
|
0
|
Revolver Total Converted to Term Loans |
0
|
0
|
Total |
157
|
112
|
Consumer | Other consumer |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
2024 |
337
|
288
|
2023 |
184
|
128
|
2022 |
87
|
59
|
2021 |
38
|
26
|
2020 |
16
|
23
|
Prior |
64
|
61
|
Revolver Total at Amortized Cost Basis |
882
|
846
|
Revolver Total Converted to Term Loans |
19
|
30
|
Total |
1,627
|
1,461
|
Consumer | Other consumer | 750+ |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
2024 |
228
|
186
|
2023 |
110
|
80
|
2022 |
56
|
39
|
2021 |
26
|
19
|
2020 |
12
|
17
|
Prior |
52
|
48
|
Revolver Total at Amortized Cost Basis |
430
|
424
|
Revolver Total Converted to Term Loans |
2
|
3
|
Total |
916
|
816
|
Consumer | Other consumer | 650-749 |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
2024 |
104
|
98
|
2023 |
64
|
43
|
2022 |
26
|
17
|
2021 |
10
|
6
|
2020 |
3
|
5
|
Prior |
10
|
12
|
Revolver Total at Amortized Cost Basis |
407
|
383
|
Revolver Total Converted to Term Loans |
8
|
13
|
Total |
632
|
577
|
Consumer | Other consumer | Less than 650 |
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
2024 |
5
|
4
|
2023 |
10
|
5
|
2022 |
5
|
3
|
2021 |
2
|
1
|
2020 |
1
|
1
|
Prior |
2
|
1
|
Revolver Total at Amortized Cost Basis |
45
|
39
|
Revolver Total Converted to Term Loans |
9
|
14
|
Total |
$ 79
|
$ 68
|