Income Taxes (Tables)

12 Months Ended

Dec. 31, 2016

Income Taxes [Abstract]

Components of Income Tax Expense

Table 91: Components of Income Tax Expense

Year ended December 31
In millions			2016		2015		2014
Current
	Federal		$	871	$	927	$	1,084
	State			71		33		68
		Total current		942		960		1,152
Deferred
	Federal			301		320		220
	State			25		84		35
		Total deferred		326		404		255
Total			$	1,268	$	1,364	$	1,407

Deferred Tax Assets and Liabilities

Table 92: Deferred Tax Assets and Liabilities

December 31 - in millions				2016		2015
Deferred tax assets
	Allowance for loan and lease losses		$	976	$	1,032
	Compensation and benefits			548		654
	Partnership investments			307		295
	Loss and credit carryforward			460		502
	Accrued expenses			505		542
	Other			252		320
		Total gross deferred tax assets		3,048		3,345
	Valuation allowance			(75)		(61)
		Total deferred tax assets		2,973		3,284
Deferred tax liabilities
	Leasing			1,374		1,413
	Goodwill and intangibles			312		320
	Fixed assets			391		391
	Net unrealized gains on securities and financial instruments			284		453
	BlackRock basis difference			2,361		2,327
	Other			617		542
		Total deferred tax liabilities		5,339		5,446
	Net deferred tax liability		$	2,366	$	2,162

Reconciliation of Statutory and Effective Tax Rates

Table 93: Reconciliation of Statutory and Effective Tax Rates

Year ended December 31		2016		2015		2014
Statutory tax rate		35.0	%	35.0	%	35.0	%
Increases (decreases) resulting from
	State taxes net of federal benefit	1.2		1.4		1.2
	Tax-exempt interest	(2.4)		(2.3)		(2.2)
	Life insurance	(1.9)		(1.7)		(1.7)
	Dividend received deduction	(1.8)		(1.7)		(1.5)
	Tax credits	(4.4)		(3.9)		(4.4)
	Other	(1.6)		(2.0)	(a)	(1.3)
	Effective tax rate	24.1	%	24.8	%	25.1	%
(a)	Includes tax benefits associated with settlement of acquired entity tax contingencies.

Net Operating Loss Carryforwards

Table 94: Net Operating Loss Carryforwards
		December 31			December 31
Dollars in millions		2016			2015		Expiration
Net Operating Loss Carryforwards:
	Federal		$	759	$	878	2032
	State		$	2,345	$	2,272	2017 - 2036

Change in Unrecognized Tax Benefits

Table 95: Change in Unrecognized Tax Benefits

In millions			2016		2015		2014
Balance of gross unrecognized tax benefits at January 1		$	26	$	77	$	110
Increases:
	Positions taken during a prior period		14		17
Decreases:
	Positions taken during a prior period		(14)		(9)		(27)
	Settlements with taxing authorities				(52)		(1)
	Reductions resulting from lapse of statute of limitations		(4)		(7)		(5)
Balance of gross unrecognized tax benefits at December 31		$	22	$	26	$	77
Favorable impact if recognized		$	18	$	20	$	64

IRS Tax Examination Status

Table 96: IRS Tax Examination Status
		Status at
	Years under examination	December 31
Federal	2011 - 2013	Completed
	2014 - 2015	Under exam