Loans and Allowance for Credit Losses (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Commercial
Commercial	$ 50,734	$ 42,272
Lease financing	5,914	6,126
Total commercial	56,648	48,398
Commercial Real Estate
Commercial mortgages	29,664	27,254
Construction and development	6,187	7,441
Total commercial real estate	35,851	34,695
Residential Mortgages
Residential Mortgages	28,669	24,315
Home equity loans, first liens	8,413	6,417
Total residential mortgages	37,082	30,732
Credit card	17,360	16,803
Other Retail
Retail leasing	5,118	4,569
Home equity and second mortgages	18,131	18,940
Revolving credit	3,344	3,472
Installment	5,348	5,459
Automobile	11,508	10,897
Student	4,658	5,054
Total other retail	48,107	48,391
Total loans, excluding covered loans	195,048	179,019
Covered loans	14,787	18,042
Total loans	$ 209,835	$ 197,061

Covered loans.

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Loans And Leases Receivable Consumer Home Equity And Second Mortgages.

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Loans And Leases Receivable Consumer Home Equity First Liens.

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Loans and leases receivable residential mortgages.

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Total loans, excluding covered loans.

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No definition available.

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Loans receivable commercial.

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Total other retail.

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No definition available.

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The total gross amount of commercial loans (money lent to commercial entities rather than consumers) made in the form of direct financing leases where the reporting entity (lessor) only recognizes interest revenue from the lease. It also includes the amount of lease financing arising from involvement with leveraged lease transactions where the Entity is in the position of long-term creditor.

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-Glossary Leveraged Lease

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Reflects the sum of the gross carrying amounts of the various categories of unpaid commercial loans and leases receivable, primarily issued to businesses. Includes: (1) commercial and industrial loans, consisting of general purpose loans to entities involved in producing, transporting, or merchandising products sold in the course of commerce; (2) agricultural loans consisting of borrowings used to finance major equipment and machinery purchases and expenses, livestock or crop production (including fisheries), and to supplement working capital needs of an entity engaged in farming operations; (3) mortgage loans secured by a [legal] security interest in real property [commercial building or business real property]; (4) obligation in the form of [promissory] notes, used for the funding of construction projects; (5) interbank and other loans to financial institutions for the purpose of liquidity management on the part of the borrower; (6) draws against credit facilities provided to companies involved in mortgage banking activities (warehousing); (7) amounts lent to businesses engaged in international activities (trade financing); (8) lease financings; and (9) loans to governmental entities.

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The total value of other non major installment loans (gross) made by financial institutions to consumers, the proceeds of which are used by individuals (borrowers) for purchases such as household goods, vacations, and other consumer items. Such loans are generally repaid in periodic payments over a predetermined time period, are generally secured by the item purchased and may be either direct to the borrower (direct paper) or to the dealer (indirect paper or retail sales contract).

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Gross amount of loans offered to individuals to assist in payment of the costs of higher education or qualifying vocational and professional schools. This item represents a broad category of loans including federally subsidized and personal loans. Personal loans include direct and cosigned loans.

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Reflects the gross carrying amount of unpaid loans issued to individuals to provide financing in the legal form of a lease agreement which meets the criteria for treating the arrangement as a direct financing lease. Automobiles and personal computers are typical examples of leased assets.

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The gross carrying amount of mortgage loans to individuals. This item excludes subordinated loans such as home equity lines of credit.

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Reflects the gross carrying amount of unpaid credit card loans issued to individuals under revolving credit arrangements that typically charge comparatively higher rates of interest commensurate with higher credit risk, generate late payment and similar types of fees, and are usually unsecured.

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Reflects the aggregate gross carrying amount of all categories of loans and leases held in portfolio, after deducting deferred income, but before deducting the allowance for losses on loans and leases.

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Reflects the gross carrying amount of unpaid loans that had been issued to businesses to construct a facility. Acquisition, development and construction (ADC) loans are generally issued sequentially and the net proceeds of the latest debt is used by the borrower to pay off the preceding loan. A construction loan ( in the form of a promissory note) is generally expected to be paid off with the net proceeds from permanent financing.

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Reflects the gross carrying amount of unpaid loans issued to businesses to provide financing on existing land or a building, which, pursuant to terms of the underlying debt instrument, are secured at a minimum but possibly exclusively by that real property. Mortgages represent permanent financing, and are issued to replace previously existing mortgages or pay off acquisition, development and construction loans, or to provide cash to the borrower.

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Reflects the sum of the gross carrying amounts of unpaid loans issued to businesses to acquire, develop, construct, improve, or refinance land or a building. Includes [but is not limited to] commercial mortgage loans, which are secured by a [legal] security interest in real property [commercial building or business real property] which thereby serves as collateral securing repayment of the loan; and construction financing, which is an obligation generally in the form of a [promissory] note, used for the funding of construction projects.

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-Publisher AICPA

-Name Statement of Position (SOP)

-Number 01-6

-Paragraph 13

-Subparagraph e

-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.

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-Number 210

-Article 9

-Section 03

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-Name Accounting Standards Codification

-Topic 944

-SubTopic 210

-Section S99

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