LOANS AND LEASES - Origination Year (Details) - USD ($) $ in Millions | Jun. 30, 2022 | Dec. 31, 2021 |
Financing Receivable, Credit Quality Indicator [Line Items] | | |
Current fiscal year | $ 3,686 | $ 6,587 |
Fiscal year before current fiscal year | 6,569 | 4,518 |
Two years before current fiscal year | 4,278 | 3,256 |
Three years before current fiscal year | 3,041 | 1,952 |
Four years before current fiscal year | 1,761 | 1,579 |
Prior | 5,394 | 4,130 |
Revolving Loans Amortized Cost Basis | 3,315 | 2,946 |
Total Loans and Leases | 28,044 | 24,968 |
Current | | |
Financing Receivable, Credit Quality Indicator [Line Items] | | |
Total Loans and Leases | 27,881 | 24,815 |
Past due | | |
Financing Receivable, Credit Quality Indicator [Line Items] | | |
Total Loans and Leases | 163 | 153 |
Total commercial loans and leases | | |
Financing Receivable, Credit Quality Indicator [Line Items] | | |
Current fiscal year | 1,908 | 3,786 |
Fiscal year before current fiscal year | 3,643 | 2,779 |
Two years before current fiscal year | 2,659 | 2,484 |
Three years before current fiscal year | 2,334 | 1,486 |
Four years before current fiscal year | 1,386 | 1,200 |
Prior | 3,828 | 2,858 |
Revolving Loans Amortized Cost Basis | 2,233 | 1,872 |
Total Loans and Leases | 17,991 | 16,465 |
Total commercial loans and leases | Current | | |
Financing Receivable, Credit Quality Indicator [Line Items] | | |
Total Loans and Leases | 17,914 | 16,385 |
Total commercial loans and leases | Past due | | |
Financing Receivable, Credit Quality Indicator [Line Items] | | |
Total Loans and Leases | 77 | 80 |
Total commercial loans and leases | Commercial real estate | | |
Financing Receivable, Credit Quality Indicator [Line Items] | | |
Current fiscal year | 900 | 1,893 |
Fiscal year before current fiscal year | 2,170 | 1,818 |
Two years before current fiscal year | 1,777 | 1,620 |
Three years before current fiscal year | 1,542 | 980 |
Four years before current fiscal year | 929 | 895 |
Prior | 3,186 | 2,498 |
Revolving Loans Amortized Cost Basis | 283 | 195 |
Total Loans and Leases | 10,787 | 9,899 |
Total commercial loans and leases | Commercial real estate | Current | | |
Financing Receivable, Credit Quality Indicator [Line Items] | | |
Total Loans and Leases | 10,730 | 9,840 |
Total commercial loans and leases | Commercial real estate | Past due | | |
Financing Receivable, Credit Quality Indicator [Line Items] | | |
Total Loans and Leases | 57 | 59 |
Total commercial loans and leases | Commercial real estate | Pass | | |
Financing Receivable, Credit Quality Indicator [Line Items] | | |
Current fiscal year | 897 | 1,878 |
Fiscal year before current fiscal year | 2,126 | 1,782 |
Two years before current fiscal year | 1,743 | 1,503 |
Three years before current fiscal year | 1,422 | 830 |
Four years before current fiscal year | 785 | 743 |
Prior | 2,738 | 2,171 |
Revolving Loans Amortized Cost Basis | 252 | 183 |
Total Loans and Leases | 9,963 | 9,090 |
Total commercial loans and leases | Commercial real estate | Special Mention | | |
Financing Receivable, Credit Quality Indicator [Line Items] | | |
Current fiscal year | 1 | 15 |
Fiscal year before current fiscal year | 33 | 21 |
Two years before current fiscal year | 21 | 89 |
Three years before current fiscal year | 85 | 105 |
Four years before current fiscal year | 99 | 107 |
Prior | 259 | 175 |
Revolving Loans Amortized Cost Basis | 3 | 9 |
Total Loans and Leases | 501 | 521 |
Total commercial loans and leases | Commercial real estate | Substandard | | |
Financing Receivable, Credit Quality Indicator [Line Items] | | |
Current fiscal year | 2 | 0 |
Fiscal year before current fiscal year | 11 | 15 |
Two years before current fiscal year | 13 | 28 |
Three years before current fiscal year | 35 | 45 |
Four years before current fiscal year | 45 | 45 |
Prior | 189 | 152 |
Revolving Loans Amortized Cost Basis | 28 | 3 |
Total Loans and Leases | 323 | 288 |
Total commercial loans and leases | Commercial and industrial | | |
Financing Receivable, Credit Quality Indicator [Line Items] | | |
Current fiscal year | 861 | 1,672 |
Fiscal year before current fiscal year | 1,315 | 849 |
Two years before current fiscal year | 791 | 763 |
Three years before current fiscal year | 707 | 450 |
Four years before current fiscal year | 410 | 263 |
Prior | 593 | 355 |
Revolving Loans Amortized Cost Basis | 1,887 | 1,625 |
Total Loans and Leases | 6,564 | 5,977 |
Total commercial loans and leases | Commercial and industrial | Current | | |
Financing Receivable, Credit Quality Indicator [Line Items] | | |
Total Loans and Leases | 6,547 | 5,958 |
Total commercial loans and leases | Commercial and industrial | Past due | | |
Financing Receivable, Credit Quality Indicator [Line Items] | | |
Total Loans and Leases | 17 | 19 |
Total commercial loans and leases | Commercial and industrial | Pass | | |
Financing Receivable, Credit Quality Indicator [Line Items] | | |
Current fiscal year | 858 | 1,663 |
Fiscal year before current fiscal year | 1,294 | 833 |
Two years before current fiscal year | 760 | 731 |
Three years before current fiscal year | 682 | 386 |
Four years before current fiscal year | 356 | 184 |
Prior | 434 | 296 |
Revolving Loans Amortized Cost Basis | 1,798 | 1,509 |
Total Loans and Leases | 6,182 | 5,602 |
Total commercial loans and leases | Commercial and industrial | Special Mention | | |
Financing Receivable, Credit Quality Indicator [Line Items] | | |
Current fiscal year | 1 | 8 |
Fiscal year before current fiscal year | 4 | 12 |
Two years before current fiscal year | 21 | 18 |
Three years before current fiscal year | 10 | 7 |
Four years before current fiscal year | 4 | 37 |
Prior | 102 | 42 |
Revolving Loans Amortized Cost Basis | 38 | 52 |
Total Loans and Leases | 180 | 176 |
Total commercial loans and leases | Commercial and industrial | Substandard | | |
Financing Receivable, Credit Quality Indicator [Line Items] | | |
Current fiscal year | 2 | 1 |
Fiscal year before current fiscal year | 17 | 4 |
Two years before current fiscal year | 10 | 14 |
Three years before current fiscal year | 15 | 57 |
Four years before current fiscal year | 50 | 42 |
Prior | 57 | 17 |
Revolving Loans Amortized Cost Basis | 51 | 64 |
Total Loans and Leases | 202 | 199 |
Total commercial loans and leases | Commercial leases | | |
Financing Receivable, Credit Quality Indicator [Line Items] | | |
Current fiscal year | 87 | 182 |
Fiscal year before current fiscal year | 158 | 112 |
Two years before current fiscal year | 91 | 101 |
Three years before current fiscal year | 85 | 56 |
Four years before current fiscal year | 47 | 42 |
Prior | 36 | 2 |
Revolving Loans Amortized Cost Basis | 0 | 0 |
Total Loans and Leases | 504 | 495 |
Total commercial loans and leases | Commercial leases | Current | | |
Financing Receivable, Credit Quality Indicator [Line Items] | | |
Total Loans and Leases | 501 | 493 |
Total commercial loans and leases | Commercial leases | Past due | | |
Financing Receivable, Credit Quality Indicator [Line Items] | | |
Total Loans and Leases | 3 | 2 |
Total commercial loans and leases | Commercial leases | Pass | | |
Financing Receivable, Credit Quality Indicator [Line Items] | | |
Current fiscal year | 87 | 182 |
Fiscal year before current fiscal year | 157 | 109 |
Two years before current fiscal year | 88 | 98 |
Three years before current fiscal year | 83 | 53 |
Four years before current fiscal year | 46 | 39 |
Prior | 36 | 1 |
Revolving Loans Amortized Cost Basis | 0 | 0 |
Total Loans and Leases | 497 | 482 |
Total commercial loans and leases | Commercial leases | Special Mention | | |
Financing Receivable, Credit Quality Indicator [Line Items] | | |
Current fiscal year | 0 | 0 |
Fiscal year before current fiscal year | 0 | 1 |
Two years before current fiscal year | 1 | 0 |
Three years before current fiscal year | 0 | 2 |
Four years before current fiscal year | 0 | 3 |
Prior | 0 | 1 |
Revolving Loans Amortized Cost Basis | 0 | 0 |
Total Loans and Leases | 1 | 7 |
Total commercial loans and leases | Commercial leases | Substandard | | |
Financing Receivable, Credit Quality Indicator [Line Items] | | |
Current fiscal year | 0 | 0 |
Fiscal year before current fiscal year | 1 | 2 |
Two years before current fiscal year | 2 | 3 |
Three years before current fiscal year | 2 | 1 |
Four years before current fiscal year | 1 | 0 |
Prior | 0 | 0 |
Revolving Loans Amortized Cost Basis | 0 | 0 |
Total Loans and Leases | 6 | 6 |
Total commercial loans and leases | Other | | |
Financing Receivable, Credit Quality Indicator [Line Items] | | |
Current fiscal year | 60 | 39 |
Fiscal year before current fiscal year | 0 | 0 |
Two years before current fiscal year | 0 | 0 |
Three years before current fiscal year | 0 | 0 |
Four years before current fiscal year | 0 | 0 |
Prior | 13 | 3 |
Revolving Loans Amortized Cost Basis | 63 | 52 |
Total Loans and Leases | 136 | 94 |
Total commercial loans and leases | Other | Current | | |
Financing Receivable, Credit Quality Indicator [Line Items] | | |
Total Loans and Leases | 136 | 94 |
Total commercial loans and leases | Other | Past due | | |
Financing Receivable, Credit Quality Indicator [Line Items] | | |
Total Loans and Leases | 0 | 0 |
Total commercial loans and leases | Other | Pass | | |
Financing Receivable, Credit Quality Indicator [Line Items] | | |
Current fiscal year | 60 | 39 |
Fiscal year before current fiscal year | 0 | 0 |
Two years before current fiscal year | 0 | 0 |
Three years before current fiscal year | 0 | 0 |
Four years before current fiscal year | 0 | 0 |
Prior | 13 | 3 |
Revolving Loans Amortized Cost Basis | 63 | 52 |
Total Loans and Leases | 136 | 94 |
Total consumer loans | | |
Financing Receivable, Credit Quality Indicator [Line Items] | | |
Current fiscal year | 1,778 | 2,801 |
Fiscal year before current fiscal year | 2,926 | 1,739 |
Two years before current fiscal year | 1,619 | 772 |
Three years before current fiscal year | 707 | 466 |
Four years before current fiscal year | 375 | 379 |
Prior | 1,566 | 1,272 |
Revolving Loans Amortized Cost Basis | 1,082 | 1,074 |
Total Loans and Leases | 10,053 | 8,503 |
Total consumer loans | Current | | |
Financing Receivable, Credit Quality Indicator [Line Items] | | |
Total Loans and Leases | 9,967 | 8,430 |
Total consumer loans | Past due | | |
Financing Receivable, Credit Quality Indicator [Line Items] | | |
Total Loans and Leases | 86 | 73 |
Total consumer loans | Direct installment | | |
Financing Receivable, Credit Quality Indicator [Line Items] | | |
Current fiscal year | 604 | 978 |
Fiscal year before current fiscal year | 946 | 538 |
Two years before current fiscal year | 494 | 216 |
Three years before current fiscal year | 182 | 126 |
Four years before current fiscal year | 104 | 96 |
Prior | 439 | 422 |
Revolving Loans Amortized Cost Basis | 0 | 0 |
Total Loans and Leases | 2,769 | 2,376 |
Total consumer loans | Direct installment | Current | | |
Financing Receivable, Credit Quality Indicator [Line Items] | | |
Current fiscal year | 604 | 978 |
Fiscal year before current fiscal year | 945 | 538 |
Two years before current fiscal year | 493 | 215 |
Three years before current fiscal year | 182 | 125 |
Four years before current fiscal year | 103 | 96 |
Prior | 429 | 412 |
Revolving Loans Amortized Cost Basis | 0 | 0 |
Total Loans and Leases | 2,756 | 2,364 |
Total consumer loans | Direct installment | Past due | | |
Financing Receivable, Credit Quality Indicator [Line Items] | | |
Current fiscal year | 0 | 0 |
Fiscal year before current fiscal year | 1 | 0 |
Two years before current fiscal year | 1 | 1 |
Three years before current fiscal year | 0 | 1 |
Four years before current fiscal year | 1 | 0 |
Prior | 10 | 10 |
Revolving Loans Amortized Cost Basis | 0 | 0 |
Total Loans and Leases | 13 | 12 |
Total consumer loans | Residential mortgages | | |
Financing Receivable, Credit Quality Indicator [Line Items] | | |
Current fiscal year | 701 | 1,281 |
Fiscal year before current fiscal year | 1,520 | 933 |
Two years before current fiscal year | 910 | 393 |
Three years before current fiscal year | 402 | 155 |
Four years before current fiscal year | 144 | 215 |
Prior | 918 | 677 |
Revolving Loans Amortized Cost Basis | 0 | 0 |
Total Loans and Leases | 4,595 | 3,654 |
Total consumer loans | Residential mortgages | Current | | |
Financing Receivable, Credit Quality Indicator [Line Items] | | |
Current fiscal year | 701 | 1,280 |
Fiscal year before current fiscal year | 1,518 | 932 |
Two years before current fiscal year | 907 | 392 |
Three years before current fiscal year | 401 | 152 |
Four years before current fiscal year | 141 | 212 |
Prior | 885 | 652 |
Revolving Loans Amortized Cost Basis | 0 | 0 |
Total Loans and Leases | 4,553 | 3,620 |
Total consumer loans | Residential mortgages | Past due | | |
Financing Receivable, Credit Quality Indicator [Line Items] | | |
Current fiscal year | 0 | 1 |
Fiscal year before current fiscal year | 2 | 1 |
Two years before current fiscal year | 3 | 1 |
Three years before current fiscal year | 1 | 3 |
Four years before current fiscal year | 3 | 3 |
Prior | 33 | 25 |
Revolving Loans Amortized Cost Basis | 0 | 0 |
Total Loans and Leases | 42 | 34 |
Total consumer loans | Indirect installment | | |
Financing Receivable, Credit Quality Indicator [Line Items] | | |
Current fiscal year | 426 | 522 |
Fiscal year before current fiscal year | 440 | 265 |
Two years before current fiscal year | 212 | 159 |
Three years before current fiscal year | 120 | 180 |
Four years before current fiscal year | 123 | 65 |
Prior | 63 | 36 |
Revolving Loans Amortized Cost Basis | 0 | 0 |
Total Loans and Leases | 1,384 | 1,227 |
Total consumer loans | Indirect installment | Current | | |
Financing Receivable, Credit Quality Indicator [Line Items] | | |
Current fiscal year | 425 | 516 |
Fiscal year before current fiscal year | 432 | 262 |
Two years before current fiscal year | 209 | 157 |
Three years before current fiscal year | 118 | 178 |
Four years before current fiscal year | 122 | 64 |
Prior | 62 | 35 |
Revolving Loans Amortized Cost Basis | 0 | 0 |
Total Loans and Leases | 1,368 | 1,212 |
Total consumer loans | Indirect installment | Past due | | |
Financing Receivable, Credit Quality Indicator [Line Items] | | |
Current fiscal year | 1 | 6 |
Fiscal year before current fiscal year | 8 | 3 |
Two years before current fiscal year | 3 | 2 |
Three years before current fiscal year | 2 | 2 |
Four years before current fiscal year | 1 | 1 |
Prior | 1 | 1 |
Revolving Loans Amortized Cost Basis | 0 | 0 |
Total Loans and Leases | 16 | 15 |
Total consumer loans | Consumer lines of credit | | |
Financing Receivable, Credit Quality Indicator [Line Items] | | |
Current fiscal year | 47 | 20 |
Fiscal year before current fiscal year | 20 | 3 |
Two years before current fiscal year | 3 | 4 |
Three years before current fiscal year | 3 | 5 |
Four years before current fiscal year | 4 | 3 |
Prior | 146 | 137 |
Revolving Loans Amortized Cost Basis | 1,082 | 1,074 |
Total Loans and Leases | 1,305 | 1,246 |
Total consumer loans | Consumer lines of credit | Current | | |
Financing Receivable, Credit Quality Indicator [Line Items] | | |
Current fiscal year | 47 | 20 |
Fiscal year before current fiscal year | 20 | 3 |
Two years before current fiscal year | 3 | 4 |
Three years before current fiscal year | 3 | 5 |
Four years before current fiscal year | 4 | 3 |
Prior | 133 | 127 |
Revolving Loans Amortized Cost Basis | 1,080 | 1,072 |
Total Loans and Leases | 1,290 | 1,234 |
Total consumer loans | Consumer lines of credit | Past due | | |
Financing Receivable, Credit Quality Indicator [Line Items] | | |
Current fiscal year | 0 | 0 |
Fiscal year before current fiscal year | 0 | 0 |
Two years before current fiscal year | 0 | 0 |
Three years before current fiscal year | 0 | 0 |
Four years before current fiscal year | 0 | 0 |
Prior | 13 | 10 |
Revolving Loans Amortized Cost Basis | 2 | 2 |
Total Loans and Leases | $ 15 | $ 12 |