Fair Value (Reported Amounts And Estimated Fair Values For Financial Instruments) (Details) (USD $) In Millions	Sep. 30, 2011	Dec. 31, 2010
Fair Value
Investment securities held to maturity, Reported Amount	$ 10,018	$ 12,249
Investment securities held to maturity, Fair Value	10,102	12,576
Net loans (excluding leases), Reported Amount	10,462	10,387
Net loans (excluding leases), Fair Value	10,429	10,242
Long-term debt, Reported Amount	8,112	8,550
Long-term debt, Fair Value	$ 8,207	$ 8,498

For an unclassified balance sheet, this item represents investments in debt securities which are categorized as held-to-maturity. The held-to-maturity category is for those securities that the entity has the positive intent and ability to hold until maturity.

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Reference 6: http://www.xbrl.org/2003/role/presentationRef

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Reference 7: http://www.xbrl.org/2003/role/presentationRef

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+ Details