Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000036270-25-000024-index-headers.html | 2025-10-27 17:05:43 | |
| 0000036270-25-000024-index.html | 2025-10-27 17:05:43 | |
| 0000036270-25-000024.txt | 2025-10-27 17:05:43 | |
 0000036270-25-000024-xbrl.zip | 486893 | 2025-10-27 17:05:43 |
| a10q-exx3113q25.htm | 10200 | 2025-10-27 17:05:43 |
| a10q-exx3123q25.htm | 10099 | 2025-10-27 17:05:43 |
| a10q-exx3213q25.htm | 4665 | 2025-10-27 17:05:43 |
| a10q-exx3223q25.htm | 4658 | 2025-10-27 17:05:43 |
| FilingSummary.xml | 52233 | 2025-10-27 17:05:43 |
| MetaLinks.json | 1394212 | 2025-10-27 17:05:43 |
| mtb-20250930.htm | 6000469 | 2025-10-27 17:05:43 |
| mtb-20250930.xsd | 85298 | 2025-10-27 17:05:43 |
| mtb-20250930_cal.xml | 145800 | 2025-10-27 17:05:43 |
| mtb-20250930_def.xml | 512956 | 2025-10-27 17:05:43 |
| mtb-20250930_htm.xml | 6178626 | 2025-10-27 17:05:43 |
| mtb-20250930_lab.xml | 987468 | 2025-10-27 17:05:43 |
| mtb-20250930_pre.xml | 773226 | 2025-10-27 17:05:43 |
| R1.htm | 58633 | 2025-10-27 17:05:43 |
| R10.htm | 13301 | 2025-10-27 17:05:43 |
| R11.htm | 174774 | 2025-10-27 17:05:43 |
| R12.htm | 1056486 | 2025-10-27 17:05:43 |
| R13.htm | 30446 | 2025-10-27 17:05:43 |
| R14.htm | 56780 | 2025-10-27 17:05:43 |
| R15.htm | 76545 | 2025-10-27 17:05:43 |
| R16.htm | 44300 | 2025-10-27 17:05:43 |
| R17.htm | 53476 | 2025-10-27 17:05:43 |
| R18.htm | 223381 | 2025-10-27 17:05:43 |
| R19.htm | 132101 | 2025-10-27 17:05:43 |
| R2.htm | 122358 | 2025-10-27 17:05:43 |
| R20.htm | 46474 | 2025-10-27 17:05:43 |
| R21.htm | 130265 | 2025-10-27 17:05:43 |
| R22.htm | 30656 | 2025-10-27 17:05:43 |
| R23.htm | 156486 | 2025-10-27 17:05:43 |
| R24.htm | 7296 | 2025-10-27 17:05:43 |
| R25.htm | 22101 | 2025-10-27 17:05:43 |
| R26.htm | 15964 | 2025-10-27 17:05:43 |
| R27.htm | 174321 | 2025-10-27 17:05:43 |
| R28.htm | 1058727 | 2025-10-27 17:05:43 |
| R29.htm | 45270 | 2025-10-27 17:05:43 |
| R3.htm | 27003 | 2025-10-27 17:05:43 |
| R30.htm | 54849 | 2025-10-27 17:05:43 |
| R31.htm | 71957 | 2025-10-27 17:05:43 |
| R32.htm | 41424 | 2025-10-27 17:05:43 |
| R33.htm | 54838 | 2025-10-27 17:05:43 |
| R34.htm | 223937 | 2025-10-27 17:05:43 |
| R35.htm | 124155 | 2025-10-27 17:05:43 |
| R36.htm | 62466 | 2025-10-27 17:05:43 |
| R37.htm | 120225 | 2025-10-27 17:05:43 |
| R38.htm | 18873 | 2025-10-27 17:05:43 |
| R39.htm | 148477 | 2025-10-27 17:05:43 |
| R4.htm | 144083 | 2025-10-27 17:05:43 |
| R40.htm | 6805 | 2025-10-27 17:05:43 |
| R41.htm | 86814 | 2025-10-27 17:05:43 |
| R42.htm | 12517 | 2025-10-27 17:05:43 |
| R43.htm | 62465 | 2025-10-27 17:05:43 |
| R44.htm | 85879 | 2025-10-27 17:05:43 |
| R45.htm | 130089 | 2025-10-27 17:05:43 |
| R46.htm | 37172 | 2025-10-27 17:05:43 |
| R47.htm | 185587 | 2025-10-27 17:05:43 |
| R48.htm | 325127 | 2025-10-27 17:05:43 |
| R49.htm | 37331 | 2025-10-27 17:05:43 |
| R5.htm | 38936 | 2025-10-27 17:05:43 |
| R50.htm | 65984 | 2025-10-27 17:05:43 |
| R51.htm | 88641 | 2025-10-27 17:05:43 |
| R52.htm | 12477 | 2025-10-27 17:05:43 |
| R53.htm | 70784 | 2025-10-27 17:05:43 |
| R54.htm | 34714 | 2025-10-27 17:05:43 |
| R55.htm | 33333 | 2025-10-27 17:05:43 |
| R56.htm | 6768 | 2025-10-27 17:05:43 |
| R57.htm | 59870 | 2025-10-27 17:05:43 |
| R58.htm | 14625 | 2025-10-27 17:05:43 |
| R59.htm | 50204 | 2025-10-27 17:05:43 |
| R6.htm | 125379 | 2025-10-27 17:05:43 |
| R60.htm | 37034 | 2025-10-27 17:05:43 |
| R61.htm | 4551 | 2025-10-27 17:05:43 |
| R62.htm | 46115 | 2025-10-27 17:05:43 |
| R63.htm | 30575 | 2025-10-27 17:05:43 |
| R64.htm | 5070 | 2025-10-27 17:05:43 |
| R65.htm | 66729 | 2025-10-27 17:05:43 |
| R66.htm | 28705 | 2025-10-27 17:05:43 |
| R67.htm | 33066 | 2025-10-27 17:05:43 |
| R68.htm | 45646 | 2025-10-27 17:05:43 |
| R69.htm | 38385 | 2025-10-27 17:05:43 |
| R7.htm | 56569 | 2025-10-27 17:05:43 |
| R70.htm | 32203 | 2025-10-27 17:05:43 |
| R71.htm | 15490 | 2025-10-27 17:05:43 |
| R72.htm | 28959 | 2025-10-27 17:05:43 |
| R73.htm | 26889 | 2025-10-27 17:05:43 |
| R74.htm | 17034 | 2025-10-27 17:05:43 |
| R75.htm | 68758 | 2025-10-27 17:05:43 |
| R76.htm | 22772 | 2025-10-27 17:05:43 |
| R77.htm | 48475 | 2025-10-27 17:05:43 |
| R78.htm | 22963 | 2025-10-27 17:05:43 |
| R79.htm | 22656 | 2025-10-27 17:05:43 |
| R8.htm | 4779 | 2025-10-27 17:05:43 |
| R80.htm | 96045 | 2025-10-27 17:05:43 |
| R81.htm | 4313 | 2025-10-27 17:05:43 |
| R82.htm | 48661 | 2025-10-27 17:05:43 |
| R9.htm | 16195 | 2025-10-27 17:05:43 |
| report.css | 2767 | 2025-10-27 17:05:43 |
| Show.js | 1085 | 2025-10-27 17:05:43 |