| Consolidated Balance Sheets | |||||||||||||||||
| (dollars in millions) | |||||||||||||||||
| 6/30/2026 | 3/31/2026 | 6/30/2025 | |||||||||||||||
| Assets | |||||||||||||||||
| Loans | $ | 110,430 | $ | 109,190 | $ | 106,389 | |||||||||||
| Loans held for sale | 1,198 | 876 | 530 | ||||||||||||||
| Securities available for sale | 38,459 | 38,918 | 40,669 | ||||||||||||||
| Held-to-maturity securities | 9,515 | 9,116 | 6,914 | ||||||||||||||
| Trading account assets | 936 | 783 | 1,374 | ||||||||||||||
| Short-term investments | 12,416 | 11,782 | 11,564 | ||||||||||||||
| Other investments | 1,230 | 1,204 | 1,058 | ||||||||||||||
| Total earning assets | 174,184 | 171,869 | 168,498 | ||||||||||||||
| Allowance for loan and lease losses | (1,445) | (1,449) | (1,446) | ||||||||||||||
| Cash and due from banks | 1,711 | 1,130 | 1,766 | ||||||||||||||
| Premises and equipment | 620 | 618 | 599 | ||||||||||||||
| Goodwill | 2,752 | 2,752 | 2,752 | ||||||||||||||
| Other intangible assets | 3 | 5 | 18 | ||||||||||||||
| Corporate-owned life insurance | 4,456 | 4,439 | 4,423 | ||||||||||||||
| Accrued income and other assets | 8,848 | 9,100 | 8,654 | ||||||||||||||
| Discontinued assets | 188 | 199 | 235 | ||||||||||||||
| Total assets | $ | 191,317 | $ | 188,663 | $ | 185,499 | |||||||||||
| Liabilities | |||||||||||||||||
| Deposits in domestic offices: | |||||||||||||||||
| Interest-bearing deposits | 122,196 | 120,220 | 119,230 | ||||||||||||||
| Noninterest-bearing deposits | 30,893 | 27,595 | 27,675 | ||||||||||||||
| Total deposits | 153,089 | 147,815 | 146,905 | ||||||||||||||
| Federal funds purchased and securities sold under repurchase agreements | 5 | 34 | 20 | ||||||||||||||
| Bank notes and other short-term borrowings | 3,680 | 6,149 | 2,754 | ||||||||||||||
| Accrued expense and other liabilities | 3,778 | 3,801 | 4,273 | ||||||||||||||
| Long-term debt | 10,967 | 10,877 | 12,063 | ||||||||||||||
| Total liabilities | 171,519 | 168,676 | 166,015 | ||||||||||||||
| Equity | |||||||||||||||||
| Preferred stock | 2,500 | 2,500 | 2,500 | ||||||||||||||
| Common shares | 1,257 | 1,257 | 1,257 | ||||||||||||||
| Capital surplus | 6,014 | 5,981 | 5,971 | ||||||||||||||
| Retained earnings | 15,873 | 15,622 | 14,886 | ||||||||||||||
| Treasury stock, at cost | (3,492) | (3,152) | (2,629) | ||||||||||||||
| Accumulated other comprehensive income (loss) | (2,354) | (2,221) | (2,501) | ||||||||||||||
| Total equity | 19,798 | 19,987 | 19,484 | ||||||||||||||
| Total liabilities and equity | $ | 191,317 | $ | 188,663 | $ | 185,499 | |||||||||||
| Common shares outstanding (000) | 1,072,035 | 1,087,293 | 1,112,453 | ||||||||||||||
| Consolidated Statements of Income | ||||||||||||||||||||||||||
| (dollars in millions, except per share amounts) | ||||||||||||||||||||||||||
| Three months ended | Six months ended | |||||||||||||||||||||||||
| 6/30/2026 | 3/31/2026 | 6/30/2025 | 6/30/2026 | 6/30/2025 | ||||||||||||||||||||||
| Interest income | ||||||||||||||||||||||||||
| Loans | $ | 1,463 | $ | 1,416 | $ | 1,443 | $ | 2,879 | $ | 2,844 | ||||||||||||||||
| Loans held for sale | 15 | 14 | 11 | 29 | 25 | |||||||||||||||||||||
| Securities available for sale | 367 | 370 | 411 | 737 | 803 | |||||||||||||||||||||
| Held-to-maturity securities | 95 | 86 | 61 | 181 | 124 | |||||||||||||||||||||
| Trading account assets | 10 | 11 | 16 | 21 | 33 | |||||||||||||||||||||
| Short-term investments | 101 | 103 | 157 | 204 | 331 | |||||||||||||||||||||
| Other investments | 8 | 5 | 8 | 13 | 17 | |||||||||||||||||||||
| Total interest income | 2,059 | 2,005 | 2,107 | 4,064 | 4,177 | |||||||||||||||||||||
| Interest expense | ||||||||||||||||||||||||||
| Deposits | 600 | 598 | 730 | 1,198 | 1,483 | |||||||||||||||||||||
| Federal funds purchased and securities sold under repurchase agreements | 19 | 14 | 4 | 33 | 5 | |||||||||||||||||||||
| Bank notes and other short-term borrowings | 35 | 20 | 34 | 55 | 61 | |||||||||||||||||||||
| Long-term debt | 155 | 151 | 198 | 306 | 391 | |||||||||||||||||||||
| Total interest expense | 809 | 783 | 966 | 1,592 | 1,940 | |||||||||||||||||||||
| Net interest income | 1,250 | 1,222 | 1,141 | 2,472 | 2,237 | |||||||||||||||||||||
| Provision for credit losses | 92 | 106 | 138 | 198 | 256 | |||||||||||||||||||||
| Net interest income after provision for credit losses | 1,158 | 1,116 | 1,003 | 2,274 | 1,981 | |||||||||||||||||||||
| Noninterest income | ||||||||||||||||||||||||||
| Trust and investment services income | 159 | 157 | 146 | 316 | 285 | |||||||||||||||||||||
| Investment banking and debt placement fees | 169 | 197 | 178 | 366 | 353 | |||||||||||||||||||||
| Service charges on deposit accounts | 77 | 77 | 73 | 154 | 142 | |||||||||||||||||||||
| Operating lease income and other leasing gains | 10 | 8 | 14 | 18 | 23 | |||||||||||||||||||||
| Corporate services income | 80 | 71 | 76 | 151 | 141 | |||||||||||||||||||||
| Cards and payments income | 94 | 86 | 85 | 180 | 167 | |||||||||||||||||||||
| Corporate-owned life insurance income | 33 | 34 | 32 | 67 | 65 | |||||||||||||||||||||
| Consumer mortgage income | 17 | 13 | 15 | 30 | 28 | |||||||||||||||||||||
| Commercial mortgage servicing fees | 49 | 62 | 70 | 111 | 146 | |||||||||||||||||||||
| Other income | 15 | 18 | 1 | 33 | 8 | |||||||||||||||||||||
| Net securities gains (losses) | 3 | — | — | 3 | — | |||||||||||||||||||||
| Total noninterest income | 706 | 723 | 690 | 1,429 | 1,358 | |||||||||||||||||||||
| Noninterest expense | ||||||||||||||||||||||||||
| Personnel | 786 | 743 | 705 | 1,529 | 1,385 | |||||||||||||||||||||
| Net occupancy | 68 | 68 | 69 | 136 | 136 | |||||||||||||||||||||
| Computer processing | 108 | 111 | 107 | 219 | 214 | |||||||||||||||||||||
| Business services and professional fees | 46 | 36 | 48 | 82 | 88 | |||||||||||||||||||||
| Equipment | 22 | 19 | 21 | 41 | 41 | |||||||||||||||||||||
| Operating lease expense | 7 | 7 | 10 | 14 | 21 | |||||||||||||||||||||
| Marketing | 22 | 18 | 24 | 40 | 45 | |||||||||||||||||||||
| Other expense | 158 | 179 | 170 | 337 | 355 | |||||||||||||||||||||
| Total noninterest expense | 1,217 | 1,181 | 1,154 | 2,398 | 2,285 | |||||||||||||||||||||
| Income (loss) from continuing operations before income taxes | 647 | 658 | 539 | 1,305 | 1,054 | |||||||||||||||||||||
| Income taxes | 139 | 136 | 116 | 275 | 225 | |||||||||||||||||||||
| Income (loss) from continuing operations | 508 | 522 | 423 | 1,030 | 829 | |||||||||||||||||||||
| Income (loss) from discontinued operations, net of taxes | 1 | — | 2 | 1 | 1 | |||||||||||||||||||||
| Net income (loss) | 509 | 522 | 425 | 1,031 | 830 | |||||||||||||||||||||
| Less: Net income (loss) attributable to noncontrolling interests | — | — | — | — | — | |||||||||||||||||||||
| Net income (loss) attributable to Key | $ | 509 | $ | 522 | $ | 425 | $ | 1,031 | $ | 830 | ||||||||||||||||
| Income (loss) from continuing operations attributable to Key common shareholders | $ | 472 | $ | 486 | $ | 387 | $ | 958 | $ | 757 | ||||||||||||||||
| Net income (loss) attributable to Key common shareholders | 473 | 486 | 389 | 959 | 758 | |||||||||||||||||||||
| Per common share | ||||||||||||||||||||||||||
| Income (loss) from continuing operations attributable to Key common shareholders | $ | .44 | $ | .45 | $ | .35 | $ | .89 | $ | .69 | ||||||||||||||||
| Income (loss) from discontinued operations, net of taxes | — | — | — | — | — | |||||||||||||||||||||
Net income (loss) attributable to Key common shareholders (a) | .44 | .45 | .35 | .89 | .69 | |||||||||||||||||||||
| Per common share — assuming dilution | ||||||||||||||||||||||||||
| Income (loss) from continuing operations attributable to Key common shareholders | $ | .44 | $ | .44 | $ | .35 | $ | .88 | $ | .69 | ||||||||||||||||
| Income (loss) from discontinued operations, net of taxes | — | — | — | — | — | |||||||||||||||||||||
Net income (loss) attributable to Key common shareholders (a) | .44 | .44 | $ | .35 | .88 | .69 | ||||||||||||||||||||
| Cash dividends declared per common share | $ | .205 | $ | .205 | $ | .205 | $ | .41 | $ | .41 | ||||||||||||||||
| Weighted-average common shares outstanding (000) | 1,071,229 | 1,084,277 | 1,100,033 | 1,077,977 | 1,098,453 | |||||||||||||||||||||
Effect of common share options and other stock awards (b) | 8,779 | 10,091 | 7,177 | 9,435 | 8,331 | |||||||||||||||||||||
Weighted-average common shares and potential common shares outstanding (000) (c) | 1,080,008 | 1,094,368 | 1,107,210 | 1,087,412 | 1,106,784 | |||||||||||||||||||||