Regulatory matters (Tables)

12 Months Ended

Dec. 31, 2014

Banking and Thrift [Abstract]

Capital Ratios and Amounts of Company and its Banking Subsidiaries

The capital ratios and amounts of the Company and its banking subsidiaries as of December 31, 2014 and 2013 are presented below:

	M&T (Consolidated)			M&T Bank			Wilmington Trust,  N.A.
	(Dollars in thousands)
December 31, 2014:
Tier 1 capital
Amount	$	9,644,765		$	8,043,185		$	435,558
Ratio(a)		12.47	%		10.46	%		57.22	%
Minimum required amount(b)		3,093,874			3,077,101			30,447
Total capital
Amount		11,767,308			10,048,277			439,867
Ratio(a)		15.21	%		13.06	%		57.79	%
Minimum required amount(b)		6,187,747			6,154,201			60,893
Leverage
Amount		9,644,765			8,043,185			435,558
Ratio(c)		10.17	%		8.56	%		9.98	%
Minimum required amount(b)		3,793,836			3,760,364			174,613
December 31, 2013:
Tier 1 capital
Amount	$	8,792,035		$	7,341,506		$	420,330
Ratio(a)		12.00	%		10.08	%		73.79	%
Minimum required amount(b)		2,930,925			2,914,246			22,786
Total capital
Amount		11,045,589			9,445,770			424,975
Ratio(a)		15.07	%		12.96	%		74.60	%
Minimum required amount(b)		5,861,849			5,828,491			45,573
Leverage
Amount		8,792,035			7,341,506			420,330
Ratio(c)		10.78	%		9.09	%		19.80	%
Minimum required amount(b)		2,446,476			2,422,096			63,678

(a) The ratio of capital to risk-weighted assets, as defined by regulation.

(b) Minimum amount of capital to be considered adequately capitalized, as defined by regulation.

(c) The ratio of capital to average assets, as defined by regulation.