Business Segment Reporting (Tables)

3 Months Ended

Mar. 31, 2021

Segment Reporting [Abstract]

Financial Information of Business Groups

The table below shows selected financial data for our business segments for the three-month periods ended March 31, 2021, and March 31, 2020. Capital is assigned to each business segment based on a combination of regulatory and economic equity.

Three months ended March 31,	Consumer Bank						Commercial Bank						Other						Total Key
dollars in millions	2021			2020			2021			2020			2021			2020			2021			2020
SUMMARY OF OPERATIONS
Net interest income (TE)	$	607		$	581		$	411		$	421		$	(6)		$	(13)		$	1,012		$	989
Noninterest income	257			229			447			220			34			28			738			477
Total revenue (TE) (a)	864			810			858			641			28			15			1,750			1,466
Provision for credit losses	(23)			136			(67)			222			(3)			1			(93)			359
Depreciation and amortization expense	18			21			34			36			38			35			90			92
Other noninterest expense	583			518			409			326			(11)			(5)			981			839
Income (loss) from continuing operations before income taxes (TE)	286			135			482			57			4			(16)			772			176
Allocated income taxes and TE adjustments	69			32			99			(9)			(14)			8			154			31
Income (loss) from continuing operations	217			103			383			66			18			(24)			618			145
Income (loss) from discontinued operations, net of taxes	—			—			—			—			4			1			4			1
Net income (loss)	217			103			383			66			22			(23)			622			146
Less: Net income (loss) attributable to noncontrolling interests	—			—			—			—			—			—			—			—
Net income (loss) attributable to Key	$	217		$	103		$	383		$	66		$	22		$	(23)		$	622		$	146
AVERAGE BALANCES (b)
Loans and leases	$	39,249		$	33,175		$	60,885		$	62,104		$	594		$	895		$	100,728		$	96,174
Total assets (a)	42,476			36,415			70,114			71,410			59,643			38,403			172,233			146,228
Deposits	85,033			73,133			51,894			36,443			813			752			137,740			110,328
OTHER FINANCIAL DATA
Net loan charge-offs (b)	$	36		$	43		$	78		$	40		$	—		$	1		$	114		$	84
Return on average allocated equity (b)	25.76		%	12.30		%	17.47		%	5.57		%	1.34		%	(1.06)		%	14.11		%	3.39		%
Return on average allocated equity	25.76			12.30			17.47			5.57			1.63			(1.02)			14.20			3.41
Average full-time equivalent employees (c)	8,284			8,144			2,066			2,091			6,736			6,294			17,086			16,529

(a)Substantially all revenue generated by our major business segments is derived from clients that reside in the United States. Substantially all long-lived assets, including premises and equipment, capitalized software, and goodwill held by our major business segments, are located in the United States.

(b)From continuing operations.

(c)The number of average full-time equivalent employees was not adjusted for discontinued operations.