Consolidated Statements of Income (Unaudited) (USD $) In Millions, except Share data in Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015		Mar. 31, 2014
INTEREST INCOME
Loans	$ 523		$ 519
Loans held for sale	7		4
Securities available for sale	70		72
Held-to-maturity securities	24		22
Trading account assets	5		6
Short-term investments	2		1
Other investments	5		6
Total interest income	636		630
INTEREST EXPENSE
Deposits	26		32
Federal funds purchased and securities sold under repurchase agreements			1
Bank notes and other short-term borrowings	2		2
Long-term debt	37		32
Total interest expense	65		67
NET INTEREST INCOME	571		563
Provision for credit losses	35		4
Net interest income after provision for credit losses	536		559
NONINTEREST INCOME
Trust and investment services income	109		98
Investment banking and debt placement fees	68		84
Service charges on deposit accounts	61		63
Operating lease income and other leasing gains	19		29
Corporate services income	43		42
Cards and payments income	42		38
Corporate-owned life insurance income	31		26
Consumer mortgage income	3		2
Mortgage servicing fees	13		15
Net gains (losses) from principal investing	29		24
Other income	19	[1]	14	[1]
Total noninterest income	437		435
NONINTEREST EXPENSE
Personnel	389		388
Net occupancy	65		64
Computer processing	38		38
Business services and professional fees	33		41
Equipment	22		24
Operating lease expense	11		10
Marketing	8		5
FDIC assessment	8		6
Intangible asset amortization	9		10
OREO expense, net	2		1
Other expense	84		77
Total noninterest expense	669		664
INCOME (LOSS) FROM CONTINUING OPERATIONS BEFORE INCOME TAXES	304		330
Income taxes	74		92
INCOME (LOSS) FROM CONTINUING OPERATIONS	230		238
Income (loss) from discontinued operations, net of taxes of $3 and $2 (see Note 11)	5		4
NET INCOME (LOSS)	235		242
Less: Net income (loss) attributable to noncontrolling interests	2
NET INCOME (LOSS) ATTRIBUTABLE TO KEY	233		242
Income (loss) from continuing operations attributable to Key common shareholders	222		232
Net income (loss) attributable to Key common shareholders	$ 227		$ 236
Per common share:
Income (loss) from continuing operations attributable to Key common shareholders	$ 0.26		$ 0.26
Income (loss) from discontinued operations, net of taxes	$ 0.01
Net income (loss) attributable to Key common shareholders	$ 0.27	[2]	$ 0.27	[2]
Per common share - assuming dilution:
Income (loss) from continuing operations attributable to Key common shareholders	$ 0.26		$ 0.26
Income (loss) from discontinued operations, net of taxes	$ 0.01
Net income (loss) attributable to Key common shareholders	$ 0.26	[2]	$ 0.26	[2]
Cash dividends declared per common share	$ 0.065		$ 0.055
Weighted-average common shares outstanding (000)	848,580		884,727
Effect of convertible preferred stock	0		0
Effect of common share options and other stock awards	8,542		7,163
Weighted-average common shares and potential common shares outstanding (000)	857,122	[3]	891,890	[3]

[1] For each of the three months ended March 31, 2015, and March 31, 2014, net securities gains (losses) totaled less than $1 million. For the three months ended March 31, 2015, impairment losses related to securities totaled less than $1 million. For the three months ended March 31, 2014, we did not have any impairment losses related to securities.

[2] EPS may not foot due to rounding.

[3] Assumes conversion of common share options and other stock awards and/or convertible preferred stock, as applicable.