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Credit Quality And Allowance For Credit Losses | 6 Months Ended
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Jun. 30, 2022
Credit Quality And Allowance For Credit Losses [Abstract] |
Credit Quality And Allowance For Credit Losses | CREDIT QUALITY AND ALLOWANCE FOR CREDIT LOSSES The following table presents an aging analysis of the amortized cost basis of loans.
| Loans Past Due and Still Accruing |  |  |  |  |  |
(in millions) | 30-59 Days |  | 60-89 Days |  | 90 Days or More |  | Total |  | Nonaccrual Loans |  | Current Loans (a) |  | Total Loans
June 30, 2022 |  |  |  |  |  |  |  |  |  |  |  |  |
Business loans: |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial | $ | 51 |  |  | $ | 9 |  |  | $ | 2 |  |  | $ | 62 |  |  | $ | 161 |  |  | $ | 31,036 |  |  | $ | 31,259 |
Real estate construction: |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial Real Estate business line (b) | 2 |  |  | — |  |  | — |  |  | 2 |  |  | — |  |  | 1,947 |  |  | 1,949 |
Other business lines (c) | — |  |  | 1 |  |  | 4 |  |  | 5 |  |  | 4 |  |  | 507 |  |  | 516 |
Total real estate construction | 2 |  |  | 1 |  |  | 4 |  |  | 7 |  |  | 4 |  |  | 2,454 |  |  | 2,465 |
Commercial mortgage: |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial Real Estate business line (b) | 41 |  |  | — |  |  | — |  |  | 41 |  |  | 1 |  |  | 3,605 |  |  | 3,647 |
Other business lines (c) | 60 |  |  | 8 |  |  | 2 |  |  | 70 |  |  | 28 |  |  | 8,110 |  |  | 8,208 |
Total commercial mortgage | 101 |  |  | 8 |  |  | 2 |  |  | 111 |  |  | 29 |  |  | 11,715 |  |  | 11,855 |
Lease financing | 6 |  |  | — |  |  | — |  |  | 6 |  |  | — |  |  | 647 |  |  | 653 |
International | — |  |  | — |  |  | 4 |  |  | 4 |  |  | 5 |  |  | 1,282 |  |  | 1,291 |
Total business loans | 160 |  |  | 18 |  |  | 12 |  |  | 190 |  |  | 199 |  |  | 47,134 |  |  | 47,523 |
Retail loans: |  |  |  |  |  |  |  |  |  |  |  |  |
Residential mortgage | 21 |  |  | 1 |  |  | — |  |  | 22 |  |  | 49 |  |  | 1,682 |  |  | 1,753 |
Consumer: |  |  |  |  |  |  |  |  |  |  |  |  |
Home equity | 3 |  |  | 1 |  |  | — |  |  | 4 |  |  | 13 |  |  | 1,615 |  |  | 1,632 |
Other consumer | 4 |  |  | — |  |  | — |  |  | 4 |  |  | 1 |  |  | 541 |  |  | 546 |
Total consumer | 7 |  |  | 1 |  |  | — |  |  | 8 |  |  | 14 |  |  | 2,156 |  |  | 2,178 |
Total retail loans | 28 |  |  | 2 |  |  | — |  |  | 30 |  |  | 63 |  |  | 3,838 |  |  | 3,931 |
Total loans | $ | 188 |  |  | $ | 20 |  |  | $ | 12 |  |  | $ | 220 |  |  | $ | 262 |  |  | $ | 50,972 |  |  | $ | 51,454 |
December 31, 2021 |  |  |  |  |  |  |  |  |  |  |  |  |
Business loans: |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial | $ | 35 |  |  | $ | 18 |  |  | $ | 6 |  |  | $ | 59 |  |  | $ | 173 |  |  | $ | 29,134 |  |  | $ | 29,366 |
Real estate construction: |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial Real Estate business line (b) | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 2,391 |  |  | 2,391 |
Other business lines (c) | 15 |  |  | 1 |  |  | — |  |  | 16 |  |  | 6 |  |  | 535 |  |  | 557 |
Total real estate construction | 15 |  |  | 1 |  |  | — |  |  | 16 |  |  | 6 |  |  | 2,926 |  |  | 2,948 |
Commercial mortgage: |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial Real Estate business line (b) | — |  |  | — |  |  | — |  |  | — |  |  | 1 |  |  | 3,337 |  |  | 3,338 |
Other business lines (c) | 18 |  |  | 4 |  |  | 16 |  |  | 38 |  |  | 31 |  |  | 7,848 |  |  | 7,917 |
Total commercial mortgage | 18 |  |  | 4 |  |  | 16 |  |  | 38 |  |  | 32 |  |  | 11,185 |  |  | 11,255 |
Lease financing | 5 |  |  | — |  |  | — |  |  | 5 |  |  | — |  |  | 635 |  |  | 640 |
International | 5 |  |  | 8 |  |  | 1 |  |  | 14 |  |  | 5 |  |  | 1,189 |  |  | 1,208 |
Total business loans | 78 |  |  | 31 |  |  | 23 |  |  | 132 |  |  | 216 |  |  | 45,069 |  |  | 45,417 |
Retail loans: |  |  |  |  |  |  |  |  |  |  |  |  |
Residential mortgage | 4 |  |  | — |  |  | — |  |  | 4 |  |  | 36 |  |  | 1,731 |  |  | 1,771 |
Consumer: |  |  |  |  |  |  |  |  |  |  |  |  |
Home equity | 4 |  |  | 3 |  |  | — |  |  | 7 |  |  | 12 |  |  | 1,514 |  |  | 1,533 |
Other consumer | 32 |  |  | 1 |  |  | 4 |  |  | 37 |  |  | — |  |  | 527 |  |  | 564 |
Total consumer | 36 |  |  | 4 |  |  | 4 |  |  | 44 |  |  | 12 |  |  | 2,041 |  |  | 2,097 |
Total retail loans | 40 |  |  | 4 |  |  | 4 |  |  | 48 |  |  | 48 |  |  | 3,772 |  |  | 3,868 |
Total loans | $ | 118 |  |  | $ | 35 |  |  | $ | 27 |  |  | $ | 180 |  |  | $ | 264 |  |  | $ | 48,841 |  |  | $ | 49,285 |
(a)Includes $22 million of loans with deferred payments not considered past due in accordance with the Coronavirus Aid, Relief, and Economic Security Act (CARES Act) at December 31, 2021. (b)Primarily loans to real estate developers. (c)Primarily loans secured by owner-occupied real estate. The following table presents loans by credit quality indicator (CQI) and vintage year. CQI is based on internal risk ratings assigned to each business loan at the time of approval and subjected to subsequent reviews, generally at least annually, and to pools of retail loans with similar risk characteristics. Vintage year is the year of origination or major modification.
| June 30, 2022 |  |
| Vintage Year |  |  |  |  |  |  |  |
(in millions) | 2022 |  | 2021 |  | 2020 |  | 2019 |  | 2018 |  | Prior |  | Revolvers |  | Revolvers Converted to Term |  | Total |  |
Business loans: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Pass (a) | $ | 2,637 |  | (b) | $ | 4,101 |  | (b) | $ | 1,255 |  | (b) | $ | 1,284 |  |  | $ | 703 |  |  | $ | 1,233 |  |  | $ | 18,847 |  |  | $ | 8 |  |  | $ | 30,068 |  |  |
Criticized (c) | 23 |  |  | 154 |  |  | 113 |  |  | 107 |  |  | 61 |  |  | 107 |  |  | 624 |  |  | 2 |  |  | 1,191 |  |  |
Total commercial | 2,660 |  |  | 4,255 |  |  | 1,368 |  |  | 1,391 |  |  | 764 |  |  | 1,340 |  |  | 19,471 |  |  | 10 |  |  | 31,259 |  |  |
Real estate construction |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Pass (a) | 225 |  |  | 780 |  |  | 765 |  |  | 422 |  |  | 142 |  |  | 38 |  |  | 89 |  |  | — |  |  | 2,461 |  |  |
Criticized (c) | — |  |  | — |  |  | 3 |  |  | — |  |  | 1 |  |  | — |  |  | — |  |  | — |  |  | 4 |  |  |
Total real estate construction | 225 |  |  | 780 |  |  | 768 |  |  | 422 |  |  | 143 |  |  | 38 |  |  | 89 |  |  | — |  |  | 2,465 |  |  |
Commercial mortgage |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Pass (a) | 1,569 |  |  | 2,490 |  |  | 1,736 |  |  | 1,475 |  |  | 1,185 |  |  | 2,750 |  |  | 438 |  |  | — |  |  | 11,643 |  |  |
Criticized (c) | 1 |  |  | 28 |  |  | 42 |  |  | 36 |  |  | 25 |  |  | 80 |  |  | — |  |  | — |  |  | 212 |  |  |
Total commercial mortgage | 1,570 |  |  | 2,518 |  |  | 1,778 |  |  | 1,511 |  |  | 1,210 |  |  | 2,830 |  |  | 438 |  |  | — |  |  | 11,855 |  |  |
Lease financing |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Pass (a) | 152 |  |  | 154 |  |  | 78 |  |  | 54 |  |  | 43 |  |  | 145 |  |  | — |  |  | — |  |  | 626 |  |  |
Criticized (c) | 6 |  |  | 3 |  |  | 2 |  |  | 8 |  |  | 7 |  |  | 1 |  |  | — |  |  | — |  |  | 27 |  |  |
Total lease financing | 158 |  |  | 157 |  |  | 80 |  |  | 62 |  |  | 50 |  |  | 146 |  |  | — |  |  | — |  |  | 653 |  |  |
International |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Pass (a) | 283 |  |  | 287 |  |  | 81 |  |  | 74 |  |  | 31 |  |  | 15 |  |  | 487 |  |  | — |  |  | 1,258 |  |  |
Criticized (c) | — |  |  | — |  |  | 7 |  |  | — |  |  | 5 |  |  | 11 |  |  | 10 |  |  | — |  |  | 33 |  |  |
Total international | 283 |  |  | 287 |  |  | 88 |  |  | 74 |  |  | 36 |  |  | 26 |  |  | 497 |  |  | — |  |  | 1,291 |  |  |
Total business loans | 4,896 |  |  | 7,997 |  |  | 4,082 |  |  | 3,460 |  |  | 2,203 |  |  | 4,380 |  |  | 20,495 |  |  | 10 |  |  | 47,523 |  |  |
Retail loans: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Residential mortgage |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Pass (a) | 184 |  |  | 405 |  |  | 488 |  |  | 138 |  |  | 74 |  |  | 414 |  |  | — |  |  | — |  |  | 1,703 |  |  |
Criticized (c) | — |  |  | 4 |  |  | 2 |  |  | 8 |  |  | 1 |  |  | 35 |  |  | — |  |  | — |  |  | 50 |  |  |
Total residential mortgage | 184 |  |  | 409 |  |  | 490 |  |  | 146 |  |  | 75 |  |  | 449 |  |  | — |  |  | — |  |  | 1,753 |  |  |
Consumer: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Home equity |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Pass (a) | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 11 |  |  | 1,566 |  |  | 40 |  |  | 1,617 |  |  |
Criticized (c) | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 12 |  |  | 3 |  |  | 15 |  |  |
Total home equity | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 11 |  |  | 1,578 |  |  | 43 |  |  | 1,632 |  |  |
Other consumer |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Pass (a) | 48 |  |  | 50 |  |  | 59 |  |  | 9 |  |  | 1 |  |  | 11 |  |  | 366 |  |  | — |  |  | 544 |  |  |
Criticized (c) | — |  |  | — |  |  | — |  |  | 1 |  |  | — |  |  | — |  |  | 1 |  |  | — |  |  | 2 |  |  |
Total other consumer | 48 |  |  | 50 |  |  | 59 |  |  | 10 |  |  | 1 |  |  | 11 |  |  | 367 |  |  | — |  |  | 546 |  |  |
Total consumer | 48 |  |  | 50 |  |  | 59 |  |  | 10 |  |  | 1 |  |  | 22 |  |  | 1,945 |  |  | 43 |  |  | 2,178 |  |  |
Total retail loans | 232 |  |  | 459 |  |  | 549 |  |  | 156 |  |  | 76 |  |  | 471 |  |  | 1,945 |  |  | 43 |  |  | 3,931 |  |  |
Total loans | $ | 5,128 |  |  | $ | 8,456 |  |  | $ | 4,631 |  |  | $ | 3,616 |  |  | $ | 2,279 |  |  | $ | 4,851 |  |  | $ | 22,440 |  |  | $ | 53 |  |  | $ | 51,454 |  |  |
Table continues on the following page. |  |
| December 31, 2021 |  |
| Vintage Year |  |  |  |  |  |  |  |
| 2021 |  | 2020 |  | 2019 |  | 2018 |  | 2017 |  | Prior |  | Revolvers |  | Revolvers Converted to Term |  | Total |  |
Business loans: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Pass (a) | $ | 5,270 |  | (b) | $ | 1,740 |  | (b) | $ | 1,528 |  |  | $ | 947 |  |  | $ | 713 |  |  | $ | 763 |  |  | $ | 17,241 |  |  | $ | 10 |  |  | $ | 28,212 |  |  |
Criticized (c) | 101 |  |  | 120 |  |  | 105 |  |  | 86 |  |  | 26 |  |  | 94 |  |  | 620 |  |  | 2 |  |  | 1,154 |  |  |
Total commercial | 5,371 |  |  | 1,860 |  |  | 1,633 |  |  | 1,033 |  |  | 739 |  |  | 857 |  |  | 17,861 |  |  | 12 |  |  | 29,366 |  |  |
Real estate construction: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Pass (a) | 458 |  |  | 858 |  |  | 849 |  |  | 424 |  |  | 158 |  |  | 34 |  |  | 132 |  |  | — |  |  | 2,913 |  |  |
Criticized (c) | — |  |  | 3 |  |  | — |  |  | 13 |  |  | 8 |  |  | 8 |  |  | 3 |  |  | — |  |  | 35 |  |  |
Total real estate construction | 458 |  |  | 861 |  |  | 849 |  |  | 437 |  |  | 166 |  |  | 42 |  |  | 135 |  |  | — |  |  | 2,948 |  |  |
Commercial mortgage: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Pass (a) | 2,491 |  |  | 1,932 |  |  | 1,444 |  |  | 1,343 |  |  | 1,018 |  |  | 2,298 |  |  | 481 |  |  | — |  |  | 11,007 |  |  |
Criticized (c) | 17 |  |  | 44 |  |  | 50 |  |  | 22 |  |  | 23 |  |  | 87 |  |  | 5 |  |  | — |  |  | 248 |  |  |
Total commercial mortgage | 2,508 |  |  | 1,976 |  |  | 1,494 |  |  | 1,365 |  |  | 1,041 |  |  | 2,385 |  |  | 486 |  |  | — |  |  | 11,255 |  |  |
Lease financing |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Pass (a) | 166 |  |  | 88 |  |  | 97 |  |  | 50 |  |  | 38 |  |  | 179 |  |  | — |  |  | — |  |  | 618 |  |  |
Criticized (c) | — |  |  | 2 |  |  | 10 |  |  | 8 |  |  | 1 |  |  | 1 |  |  | — |  |  | — |  |  | 22 |  |  |
Total lease financing | 166 |  |  | 90 |  |  | 107 |  |  | 58 |  |  | 39 |  |  | 180 |  |  | — |  |  | — |  |  | 640 |  |  |
International |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Pass (a) | 381 |  |  | 141 |  |  | 103 |  |  | 29 |  |  | 1 |  |  | 16 |  |  | 480 |  |  | — |  |  | 1,151 |  |  |
Criticized (c) | 20 |  |  | 10 |  |  | 3 |  |  | 5 |  |  | 4 |  |  | 8 |  |  | 7 |  |  | — |  |  | 57 |  |  |
Total international | 401 |  |  | 151 |  |  | 106 |  |  | 34 |  |  | 5 |  |  | 24 |  |  | 487 |  |  | — |  |  | 1,208 |  |  |
Total business loans | 8,904 |  |  | 4,938 |  |  | 4,189 |  |  | 2,927 |  |  | 1,990 |  |  | 3,488 |  |  | 18,969 |  |  | 12 |  |  | 45,417 |  |  |
Retail loans: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Residential mortgage |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Pass (a) | 443 |  |  | 527 |  |  | 164 |  |  | 83 |  |  | 111 |  |  | 407 |  |  | — |  |  | — |  |  | 1,735 |  |  |
Criticized (c) | 5 |  |  | — |  |  | 1 |  |  | 2 |  |  | 7 |  |  | 21 |  |  | — |  |  | — |  |  | 36 |  |  |
Total residential mortgage | 448 |  |  | 527 |  |  | 165 |  |  | 85 |  |  | 118 |  |  | 428 |  |  | — |  |  | — |  |  | 1,771 |  |  |
Consumer: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Home equity |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Pass (a) | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 11 |  |  | 1,460 |  |  | 45 |  |  | 1,516 |  |  |
Criticized (c) | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 1 |  |  | 12 |  |  | 4 |  |  | 17 |  |  |
Total home equity | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 12 |  |  | 1,472 |  |  | 49 |  |  | 1,533 |  |  |
Other consumer |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Pass (a) | 101 |  |  | 68 |  |  | 13 |  |  | 9 |  |  | 1 |  |  | 31 |  |  | 337 |  |  | — |  |  | 560 |  |  |
Criticized (c) | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 4 |  |  | — |  |  | 4 |  |  |
Total other consumer | 101 |  |  | 68 |  |  | 13 |  |  | 9 |  |  | 1 |  |  | 31 |  |  | 341 |  |  | — |  |  | 564 |  |  |
Total consumer | 101 |  |  | 68 |  |  | 13 |  |  | 9 |  |  | 1 |  |  | 43 |  |  | 1,813 |  |  | 49 |  |  | 2,097 |  |  |
Total retail loans | 549 |  |  | 595 |  |  | 178 |  |  | 94 |  |  | 119 |  |  | 471 |  |  | 1,813 |  |  | 49 |  |  | 3,868 |  |  |
Total loans | $ | 9,453 |  |  | $ | 5,533 |  |  | $ | 4,367 |  |  | $ | 3,021 |  |  | $ | 2,109 |  |  | $ | 3,959 |  |  | $ | 20,782 |  |  | $ | 61 |  |  | $ | 49,285 |  |  |
(a)Includes all loans not included in the categories of special mention, substandard or nonaccrual. (b)Includes Small Business Administration Paycheck Protection Program (PPP) loans of $90 million and $458 million at June 30, 2022 and December 31, 2021, respectively. (c)Includes loans with an internal rating of special mention, substandard loans for which the accrual of interest has not been discontinued and nonaccrual loans. Special mention loans have potential credit weaknesses that deserve management’s close attention, such as loans to borrowers who may be experiencing financial difficulties that may result in deterioration of repayment prospects from the borrower at some future date. Accruing substandard loans have a well-defined weakness, or weaknesses, such as loans to borrowers who may be experiencing losses from operations or inadequate liquidity of a degree and duration that jeopardizes the orderly repayment of the loan. Substandard loans are also distinguished by the distinct possibility of loss in the future if these weaknesses are not corrected. Nonaccrual loans are loans for which the accrual of interest has been discontinued. For further information regarding nonaccrual loans, refer to the Nonperforming Assets subheading in Note 1 - Basis of Presentation and Accounting Policies on page F-52 in the Corporation's 2021 Annual Report. These categories are generally consistent with the "special mention" and "substandard" categories as defined by regulatory authorities. A minority of nonaccrual loans are consistent with the "doubtful" category. Loan interest receivable totaled $149 million and $120 million at June 30, 2022 and December 31, 2021, respectively and was included in accrued income and other assets on the Consolidated Balance Sheets. Allowance for Credit Losses The following table details the changes in the allowance for credit losses.
| 2022 |  | 2021
(in millions) | Business Loans |  | Retail Loans |  | Total |  | Business Loans |  | Retail Loans |  | Total
Three Months Ended June 30 |  |  |  |  |  |  |  |  |  |  |
Balance at beginning of period: |  |  |  |  |  |  |  |  |  |  |
Allowance for loan losses | $ | 493 |  |  | $ | 61 |  |  | $ | 554 |  |  | $ | 709 |  |  | $ | 68 |  |  | $ | 777 |
Allowance for credit losses on lending-related commitments | 33 |  |  | 12 |  |  | 45 |  |  | 22 |  |  | 8 |  |  | 30 |
Allowance for credit losses | 526 |  |  | 73 |  |  | 599 |  |  | 731 |  |  | 76 |  |  | 807 |
Loan charge-offs | (13) |  |  | — |  |  | (13) |  |  | (7) |  |  | (1) |  |  | (8) |
Recoveries on loans previously charged-off | 12 |  |  | 1 |  |  | 13 |  |  | 19 |  |  | — |  |  | 19 |
Net loan (charge-offs) recoveries | (1) |  |  | 1 |  |  | — |  |  | 12 |  |  | (1) |  |  | 11 |
Provision for credit losses: |  |  |  |  |  |  |  |  |  |  |
Provision for loan losses | 10 |  |  | (1) |  |  | 9 |  |  | (132) |  |  | (4) |  |  | (136) |
Provision for credit losses on lending-related commitments | 1 |  |  | — |  |  | 1 |  |  | 2 |  |  | (1) |  |  | 1 |
Provision for credit losses | 11 |  |  | (1) |  |  | 10 |  |  | (130) |  |  | (5) |  |  | (135) |
Balance at end of period: |  |  |  |  |  |  |  |  |  |  |
Allowance for loan losses | 502 |  |  | 61 |  |  | 563 |  |  | 589 |  |  | 63 |  |  | 652 |
Allowance for credit losses on lending-related commitments | 34 |  |  | 12 |  |  | 46 |  |  | 24 |  |  | 7 |  |  | 31 |
Allowance for credit losses | $ | 536 |  |  | $ | 73 |  |  | $ | 609 |  |  | $ | 613 |  |  | $ | 70 |  |  | $ | 683 |
Six Months Ended June 30 |  |  |  |  |  |  |  |  |  |  |
Balance at beginning of period |  |  |  |  |  |  |  |  |  |  |
Allowance for loan losses | $ | 531 |  |  | $ | 57 |  |  | $ | 588 |  |  | $ | 895 |  |  | $ | 53 |  |  | $ | 948 |
Allowance for credit losses on lending-related commitments | 24 |  |  | 6 |  |  | 30 |  |  | 35 |  |  | 9 |  |  | 44 |
Allowance for credit losses | 555 |  |  | 63 |  |  | 618 |  |  | 930 |  |  | 62 |  |  | 992 |
Loan charge-offs | (30) |  |  | (1) |  |  | (31) |  |  | (22) |  |  | (2) |  |  | (24) |
Recoveries on loans previously charged-off | 21 |  |  | 2 |  |  | 23 |  |  | 31 |  |  | 1 |  |  | 32 |
Net loan (charge-offs) recoveries | (9) |  |  | 1 |  |  | (8) |  |  | 9 |  |  | (1) |  |  | 8 |
Provision for credit losses: |  |  |  |  |  |  |  |  |  |  |
Provision for loan losses | (20) |  |  | 3 |  |  | (17) |  |  | (315) |  |  | 11 |  |  | (304) |
Provision for credit losses on lending-related commitments | 10 |  |  | 6 |  |  | 16 |  |  | (11) |  |  | (2) |  |  | (13) |
Provision for credit losses | (10) |  |  | 9 |  |  | (1) |  |  | (326) |  |  | 9 |  |  | (317) |
Balance at end of period: |  |  |  |  |  |  |  |  |  |  |
Allowance for loan losses | 502 |  |  | 61 |  |  | 563 |  |  | 589 |  |  | 63 |  |  | 652 |
Allowance for credit losses on lending-related commitments | 34 |  |  | 12 |  |  | 46 |  |  | 24 |  |  | 7 |  |  | 31 |
Allowance for credit losses | $ | 536 |  |  | $ | 73 |  |  | $ | 609 |  |  | $ | 613 |  |  | $ | 70 |  |  | $ | 683 |
Allowance for loan losses as a percentage of total loans | 1.06 | % |  | 1.55 | % |  | 1.09 | % |  | 1.27 | % |  | 1.63 | % |  | 1.30 | %
Allowance for credit losses as a percentage of total loans | 1.13 |  |  | 1.85 |  |  | 1.18 |  |  | 1.32 |  |  | 1.80 |  |  | 1.36 |
Nonaccrual Loans The following table presents additional information regarding nonaccrual loans. Interest income of $2 million was recognized on nonaccrual loans for both the three months ended June 30, 2022 and 2021, and $4 million for both the six months ended June 30, 2022 and 2021.
(in millions) | Nonaccrual Loans with No Related Allowance |  | Nonaccrual Loans with Related Allowance |  | Total Nonaccrual Loans
June 30, 2022 |  |  |  |  |
Business loans: |  |  |  |  |
Commercial | $ | 67 |  |  | $ | 94 |  |  | $ | 161 |
Real estate construction: |  |  |  |  |
Other business lines (a) | — |  |  | 4 |  |  | 4 |
Commercial mortgage: |  |  |  |  |
Commercial Real Estate business line (b) | — |  |  | 1 |  |  | 1 |
Other business lines (a) | 4 |  |  | 24 |  |  | 28 |
Total commercial mortgage | 4 |  |  | 25 |  |  | 29 |
International | 5 |  |  | — |  |  | 5 |
Total business loans | 76 |  |  | 123 |  |  | 199 |
Retail loans: |  |  |  |  |
Residential mortgage | 49 |  |  | — |  |  | 49 |
Consumer: |  |  |  |  |
Home equity | 13 |  |  | — |  |  | 13 |
Other consumer | 1 |  |  | — |  |  | 1 |
Total consumer | 14 |  |  | — |  |  | 14 |
Total retail loans | 63 |  |  | — |  |  | 63 |
Total nonaccrual loans | $ | 139 |  |  | $ | 123 |  |  | $ | 262 |
December 31, 2021 |  |  |  |  |
Business loans: |  |  |  |  |
Commercial | $ | 8 |  |  | $ | 165 |  |  | $ | 173 |
Real estate construction: |  |  |  |  |
Other business lines (a) | — |  |  | 6 |  |  | 6 |
Commercial mortgage: |  |  |  |  |
Commercial Real Estate business line (b) | — |  |  | 1 |  |  | 1 |
Other business lines (a) | 4 |  |  | 27 |  |  | 31 |
Total commercial mortgage | 4 |  |  | 28 |  |  | 32 |
International | — |  |  | 5 |  |  | 5 |
Total business loans | 12 |  |  | 204 |  |  | 216 |
Retail loans: |  |  |  |  |
Residential mortgage | 36 |  |  | — |  |  | 36 |
Consumer: |  |  |  |  |
Home equity | 12 |  |  | — |  |  | 12 |
Total retail loans | 48 |  |  | — |  |  | 48 |
Total nonaccrual loans | $ | 60 |  |  | $ | 204 |  |  | $ | 264 |
(a)Primarily loans secured by owner-occupied real estate. (b)Primarily loans to real estate developers. Foreclosed Properties Foreclosed properties totaled $1 million at both June 30, 2022 and December 31, 2021. Retail loans secured by residential real estate properties in process of foreclosure included in nonaccrual loans were insignificant at June 30, 2022, compared to none at December 31, 2021. Troubled Debt Restructurings The following table details the amortized cost basis at June 30, 2022 and 2021 of loans considered to be TDRs that were restructured during the three- and six-month periods ended June 30, 2022 and 2021, by type of modification. In cases of loans with more than one type of modification, the loans were categorized based on the most significant modification.
| 2022 |  |  | 2021 (a)
| Type of Modification |
(in millions) | Principal Deferrals (b) |  |  |  |  | Interest Rate Reductions |
Three Months Ended June 30, |  |  |  |  |  |
Business loans: |  |  |  |  |  |  |
Commercial | $ | 15 |  |  |  |  |  | $ | — |  |
Real estate construction: |  |  |  |  |  |  |
Other business lines (c) | 3 |  |  |  |  |  | — |  |
Commercial mortgage: |  |  |  |  |  |  |
Other business lines (c) | 8 |  |  |  |  |  | — |  |
Total business loans | 26 |  |  |  |  |  | — |  |
Retail loans: |  |  |  |  |  |  |
Residential mortgage | — |  |  |  |  |  | 6 |  |
Consumer: |  |  |  |  |  |  |
Home equity (d) | — |  |  |  |  |  | 1 |  |
Total loans | $ | 26 |  |  |  |  |  | $ | 7 |  |
Six Months Ended June 30, |  |  |  |  |  |  |
Business loans: |  |  |  |  |  |  |
Commercial | $ | 21 |  |  |  |  |  | $ | — |  |
Real estate construction: |  |  |  |  |  |  |
Other business lines (c) | 3 |  |  |  |  |  | — |  |
Commercial mortgage: |  |  |  |  |  |  |
Other business lines (c) | 15 |  |  |  |  |  | — |  |
Total business loans | 39 |  |  |  |  |  | — |  |
Retail loans: |  |  |  |  |  |  |
Residential mortgage | — |  |  |  |  |  | 6 |  |
Consumer: |  |  |  |  |  |  |
Home equity (d) | 1 |  |  |  |  |  | 1 |  |
Total loans | $ | 40 |  |  |  |  |  | $ | 7 |  |
(a)Under the provisions of the CARES Act, qualifying COVID-19-related modifications, primarily principal deferrals, were not considered TDRs during the six months ended June 30, 2021. (b)Primarily represents loan balances where terms were extended by more than an insignificant time period, typically more than 180 days, at or above contractual interest rates. Also includes commercial loans restructured in bankruptcy. (c)Primarily loans secured by owner-occupied real estate. (d)Includes bankruptcy loans for which the court has discharged the borrower's obligation and the borrower has not reaffirmed the debt. The Corporation charges interest on principal balances outstanding during deferral periods. Additionally, none of the modifications involved forgiveness of principal. Commitments to lend additional funds to borrowers whose terms have been modified in TDRs were $1 million at June 30, 2022 compared to none at December 31, 2021, respectively. On an ongoing basis, the Corporation monitors the performance of modified loans to their restructured terms. The allowance for loan losses continues to be reassessed on the basis of an individual evaluation of the loan. For principal deferrals, incremental deterioration in the credit quality of the loan, represented by a downgrade in the risk rating of the loan, for example, due to missed interest payments or a reduction of collateral value, is considered a subsequent default. For interest rate reductions, a subsequent payment default is defined in terms of delinquency, when a principal or interest payment is 90 days past due. Of the TDRs modified during the twelve-month periods ended June 30, 2022 and 2021, there were no subsequent defaults of principal deferrals or interest rate reductions for the three- and six-month periods ended June 30, 2022 and 2021.

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