Goodwill Reporting Unit, Percent which Fair Value Exceeds Carrying Value

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- Definition

Principal Amount Outstanding on Loans Serviced for Third Parties

+ Details

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- Definition

Principal Amount Outstanding Underlying Mortgage Servicing Rights Sold

+ Details

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- Definition

This includes both the securitized and unsecuritized portion of the total principal amount.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 140

-Paragraph 17

-Subparagraph i(4)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 860

-SubTopic 20

-Section 50

-Paragraph 4

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=6942082&loc=d3e107314-111719

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name FASB Staff Position (FSP)

-Number FAS140-4/FIN46(R)-8

-Paragraph B11

-Subparagraph b(1)(b), b(6)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

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- Definition

Income from servicing real estate mortgages, credit cards, and other financial assets held by others. Also include any premiums received in lieu of regular servicing fees on such loans only as earned over the life of the loans. May also be net of any related impairment of fair value of capitalized service costs.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher OTS

-Name Federal Regulation (FR)

-Number Title 12

-Chapter V

-Section 563c.102

-Paragraph 13

-Subsection II

-LegacyDoc This is a non-GAAP reference that was included in the 2009 taxonomy. It will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Paragraph 13

-Article 9

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 225

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-04.13 (d))

-URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882

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Goodwill and Other Intangible Assets - Additional Information (Detail) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010	Dec. 31, 2010
Mortgage servicing related income	$ 58,000,000	$ 132,000,000	$ 202,000,000	$ 290,000,000
Branch Banking Reporting Unit [Member]
Goodwill Reporting Unit, Fair Value Exceeds Carrying Value Percent Amount	12.00%		12.00%
Diversified Commercial Banking Reporting Unit [Member]
Goodwill Reporting Unit, Fair Value Exceeds Carrying Value Percent Amount	27.00%		27.00%
Corporate and Investment Banking Reporting Unit [Member]
Goodwill Reporting Unit, Fair Value Exceeds Carrying Value Percent Amount	36.00%		36.00%
Wealth and Investment Management Reporting Unit [Member]
Goodwill Reporting Unit, Fair Value Exceeds Carrying Value Percent Amount	150.00%		150.00%
Mortgage Servicing Rights
Mortgage servicing related income	91,000,000	99,000,000	277,000,000	298,000,000
Total unpaid principal amount of mortgaged loans serviced	161,000,000,000		161,000,000,000		167,200,000,000
Included in these amounts of loans serviced for third parties	129,400,000,000		129,400,000,000		134,100,000,000
Residential mortgage loans sold			$ 1,700,000,000