Income Taxes (Tables)

3 Months Ended

12 Months Ended

Dec. 31, 2011

Dec. 31, 2011

Income Tax Disclosure [Abstract]

Components of Income Tax Expense/(Benefit) Included in the Consolidated Statements of Income/(Loss)

(Dollars in millions)	Year ended December 31
Current income tax expense/(benefit):	2011			2010			2009
Federal		($4	)		$—			($7	)
State	—			(14		)	3
Total		($4	)		($14	)		($4	)
Deferred income tax expense/(benefit):
Federal		$81			($177	)		($798	)
State	2			6			(96		)
Total	83			(171		)	(894		)
Total income tax expense/(benefit)		$79			($185	)		($898	)

Reconciliation of the Expected Income Tax Expense at the Statutory Federal Income Tax Rate to the Actual Income Tax Expense/(Benefit) and Effective Tax Rate

	Year ended December 31
	2011					2010					2009
(Dollars in millions)	Amount			Percent of Pre-Tax Income		Amount			Percent of Pre-Tax Income 1		Amount			Percent of Pre-Tax Income
Income tax expense/(benefit) at federal statutory rate		$254		35.0	%		$1		35.0	%		($861	)	(35.0	)%
Increase (decrease) resulting from:
Tax-exempt interest	(72		)	(9.9	)	(74		)	NM		(79		)	(3.2	)
Dividends received deduction	(14		)	(1.9	)	(13		)	NM		(12		)	(0.5	)
Income tax credits, net	(88		)	(12.1	)	(88		)	NM		(80		)	(3.2	)
State income taxes, net	2			0.2		12			NM		(48		)	(2.0	)
Completion of audit examinations by taxing authorities	—			—		(20		)	NM		(55		)	(2.2	)
Goodwill impairment	—			—		—			—		237			9.6
Other	(3		)	(0.4	)	(3		)	NM		—			—
Total income tax expense/(benefit) and rate		$79		10.9	%		($185	)	NM			($898	)	(36.5	)%

¹ "NM" - Calculated percentage was not considered to be meaningful

Significant Components of the Net Deferred Tax Asset and Liability

(Dollars in millions)	2011			2010
DTAs:
Allowance for loan and lease losses		$906			$1,092
Accrued expenses	509			378
State NOL and other carryforwards (net of federal benefit)	197			182
Federal NOL	—			24
Federal credits and other carryforwards	266			256
Other	175			276
Total gross DTAs	2,053			2,208
Valuation allowance	(65		)	(50		)
Total DTAs		$1,988			$2,158
DTLs:
Net unrealized gains in AOCI		$995			$915
Leasing	728			701
Compensation and employee benefits	100			88
MSRs	613			610
Loans	47			135
Goodwill and intangible assets	121			97
Fixed assets	177			148
Other	95			113
Total DTLs		$2,876			$2,807
Net DTL		($888	)		($649	)

Change in Unrecognized Tax Benefits [Table Text Block]

	2011			2010
(Dollars in millions)
Balance at January 1		$132			$188
Increases in UTBs related to prior years	12			26
Decreases in UTBs related to prior years	(12		)	(11		)
Increases in UTBs related to the current year	8			4
Decreases in UTBs related to settlements	(1		)	(57		)
Decreases in UTBs related to lapse of the applicable statutes of limitations	(6		)	(18		)
Balance at December 31		$133			$132