Asset Quality (Details) (USD $) In Millions	Jun. 30, 2011	Dec. 31, 2010	Jun. 30, 2010
Nonperforming Assets and Past Due Loans
Total nonperforming loans	$ 842	$ 1,068	$ 1,703
Nonperforming loans held for sale	42	106	221
OREO	52	129	136
Other nonperforming assets	14	35	26
Total nonperforming assets	950	1,338	2,086
Impaired loans	706	881	1,435
Impaired loans with a specifically allocated allowance	488	621	1,099
Specifically allocated allowance for impaired loans	46	58	157
Restructured loans included in nonperforming loans	144	202	167
Restructured loans with a specifically allocated allowance	19	57	65
Specifically allocated allowance for restructured loans	5	18	15
Accruing loans past due 90 days or more	118	239	240
Accruing loans past due 30 through 89 days	$ 465	$ 476	$ 610

Loans And Leases Receivable Impaired Nonperforming Thirty Through Eighty Nine Days Accrual Of Interest.

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Nonperforming Assets.

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Nonperforming assets and past due loans.

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Nonperforming Loans.

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Nonperforming loans held for sale.

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Other nonperforming assets.

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Other Real Estate Owned Nonperforming Loan.

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Restructured loans included in nonaccrual loans.

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Restructured loans with a specifically allocated allowance.

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Specifically allocated allowance for impaired loans.

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Specifically allocated allowance for restructured loans.

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Reflects the adjusted carrying amount of loans for which it is probable, based on current facts and circumstances, that a creditor will not initially be able to collect all amounts due according to the contractual terms of the loan agreement, or will not recover the previously reported carrying amount of the loan.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 114
-Paragraph 20
-Subparagraph a

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher OTS
-Name Federal Regulation (FR)
-Number Title 12
-Chapter V
-Section 563c.102
-Paragraph 8
-Subparagraph j(ii)
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Reflects the carrying amount of loans which have been written down and for which there is a related reserve for credit loss.

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Reflects the carrying amount of loans past due ninety days or more on which interest is continuing to be earned or accrued.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher AICPA
-Name Statement of Position (SOP)
-Number 01-6
-Paragraph 13
-Subparagraph g

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