Borrowings (Tables)

9 Months Ended

Sep. 30, 2024

Debt Disclosure [Abstract]

Schedule of Borrowings

(Dollars in millions)	September 30, 2024		December 31, 2023
Short-term borrowings
Federal funds purchased and repurchase agreements	$	105	$	316
FHLB advances	2,500		5,000
Total short-term borrowings	$	2,605	$	5,316
Long-term borrowings
Senior notes — M&T	$	3,371	$	2,482
Senior notes — M&T Bank	3,744		3,741
FHLB advances	2,004		5
Subordinated notes — M&T	75		76
Subordinated notes — M&T Bank	482		873
Junior subordinated debentures — M&T	543		540
Asset-backed notes	1,354		474
Other	10		10
Total long-term borrowings	$	11,583	$	8,201