Segment Reporting (Tables)

3 Months Ended

Mar. 31, 2018

Segment Reporting [Abstract]

Selected segment information

Information about the Corporation’s segments is presented below.

Segment Income Statement Data
($ in Thousands)	Corporate and Commercial Specialty			Community, Consumer, and Business			Risk Management and Shared Services			Consolidated Total
Three Months Ended March 31, 2018
Net interest income	$	95,958		$	103,543		$	10,370		$	209,871
Noninterest income	12,683			74,036			3,661			90,380
Total revenue	108,641			177,579			14,031			300,251
Credit provision(a)	10,598			4,966			(15,563		)	—
Noninterest expense	39,250			127,144			46,571			212,965
Income (loss) before income taxes	58,793			45,469			(16,977		)	87,285
Income tax expense (benefit)	11,426			9,549			(3,146		)	17,829
Net income (loss)	$	47,367		$	35,920		$	(13,831	)	$	69,456
Return on average allocated capital (ROCET1)(b)	16.4		%	23.0		%	(11.2		)%	11.4		%
Three Months Ended March 31, 2017
Net interest income	$	89,388		$	88,928		$	1,958		$	180,274
Noninterest income	11,993			64,870			2,968			79,831
Total revenue	101,381			153,798			4,926			260,105
Credit provision(a)	11,580			4,507			(7,087		)	9,000
Noninterest expense	37,479			116,097			20,115			173,691
Income (loss) before income taxes	52,322			33,194			(8,102		)	77,414
Income tax expense (benefit)	17,649			11,618			(8,123		)	21,144
Net income	$	34,673		$	21,576		$	21		$	56,270
Return on average allocated capital (ROCET1)(b)	12.6		%	15.2		%	(2.5		)%	10.6		%

Segment Balance Sheet Data
($ in Thousands)	Corporate and Commercial Specialty		Community, Consumer, and Business		Risk Management and Shared Services		Consolidated Total
Three Months Ended March 31, 2018
Average earning assets	$	11,389,211	$	10,137,899	$	7,755,022	$	29,282,132
Average loans	11,378,390		10,133,202		566,936		22,078,529
Average deposits	8,057,246		13,096,782		2,496,870		23,650,898
Average allocated capital (CET1)(b)	$	1,171,038	$	632,723	$	586,172	$	2,389,933
Three Months Ended March 31, 2017
Average earning assets	$	10,759,811	$	9,130,457	$	6,449,046	$	26,339,314
Average loans	10,753,314		9,128,656		190,755		20,072,725
Average deposits	6,420,401		11,337,064		3,708,257		21,465,722
Average allocated capital (CET1)(b)	$	1,114,610	$	576,464	$	370,675	$	2,061,749

(a) The consolidated credit provision is equal to the actual reported provision for credit losses.

(b) The Federal Reserve establishes capital adequacy requirements for the Corporation, including common equity Tier 1. For segment reporting purposes, the ROCET1 reflects return on average allocated common equity Tier 1. The ROCET1 for the Risk Management and Shared Services segment and the Consolidated Total is inclusive of the annualized effect of the preferred stock dividends.