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Borrowings | 6 Months Ended
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Jun. 30, 2025
Debt Disclosure [Abstract] |
Borrowings | 5. Borrowings The following table summarizes the Company's short-term and long-term borrowings at June 30, 2025 and December 31, 2024.
(Dollars in millions) | June 30, 2025 |  | December 31, 2024
Short-term borrowings |  |  |
Repurchase agreements | $ | 71 |  |  | $ | 60 |
Advances from FHLB | 2,000 |  |  | 1,000 |
Total short-term borrowings | $ | 2,071 |  |  | $ | 1,060 |
Long-term borrowings |  |  |
Senior notes — M&T | $ | 5,594 |  |  | $ | 4,710 |
Senior notes — M&T Bank | 3,744 |  |  | 3,745 |
Advances from FHLB | 4 |  |  | 2,004 |
Subordinated notes — M&T Bank | 485 |  |  | 474 |
Junior subordinated debentures — M&T (a) | 402 |  |  | 433 |
Asset-backed notes (a) | 2,141 |  |  | 1,229 |
Other | 10 |  |  | 10 |
Total long-term borrowings | $ | 12,380 |  |  | $ | 12,605 |
__________________________________________________________________________________ (a) Further information about Junior Subordinated Debentures and asset-backed note financing transactions is provided in note 12. In June 2025, M&T issued $750 million of senior notes that mature in July 2031 and pay a 5.179% fixed rate semi-annually until July 2030 after which SOFR plus 1.40% will be paid quarterly until maturity. Also in June 2025, M&T Bank issued $750 million of senior notes that mature in July 2028 and pay a 4.762% fixed rate semi-annually until July 2027 after which SOFR plus 0.95% will be paid quarterly until maturity. In July 2025, M&T issued $750 million of subordinated notes that mature in July 2035 and pay a 5.40% fixed rate semi-annually until July 2030 after which, unless redeemed by M&T at that time, the fixed rate will reset to the U.S. Treasury rate for a five year maturity plus 1.43% until maturity. M&T Bank had secured borrowing facilities available with the FHLB of New York and the FRB of New York totaling approximately $18.1 billion and $24.7 billion, respectively, at June 30, 2025. M&T Bank is required to pledge loans and investment securities as collateral for these borrowing facilities and could increase the availability under such facilities by pledging additional assets.

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- Definition The entire disclosure for information about short-term and long-term debt arrangements, which includes amounts of borrowings under each line of credit, note payable, commercial paper issue, bonds indenture, debenture issue, own-share lending arrangements and any other contractual agreement to repay funds, and about the underlying arrangements, rationale for a classification as long-term, including repayment terms, interest rates, collateral provided, restrictions on use of assets and activities, whether or not in compliance with debt covenants, and other matters important to users of the financial statements, such as the effects of refinancing and noncompliance with debt covenants. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 8A -Publisher FASB -URI https://asc.fasb.org/1943274/2147480434/815-10-50-8A Reference 2: http://www.xbrl.org/2003/role/disclosureRef 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