Fair Value Election and Measurement Level 3 Significant Unobservable Input Assumptions (parenthetical) (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2013		Dec. 31, 2012
Fair Value Inputs, Liabilities, Quantitative Information [Line Items]
Other Liabilities, Fair Value Disclosure	$ 29	[1],[2]	$ 31	[3],[4],[5]
Not Designated as Hedging Instrument [Member] | Derivative Financial Instruments, Liabilities [Member] | Visa Interest [Member] | Other Liabilities [Member] | Fair Value, Inputs, Level 3 [Member]
Fair Value Inputs, Liabilities, Quantitative Information [Line Items]
Other Liabilities, Fair Value Disclosure	$ 3

[1] Includes contingent consideration obligations related to acquisitions, as well as the derivative associated with the Company's sale of Visa shares during the year ended December 31, 2009.

[2] 2 These amounts include IRLCs and derivative financial instruments entered into by the Mortgage Banking segment to hedge its interest rate risk. See Note 16, "Derivative Financial Instruments," for further disaggregation of derivative assets and liabilities

[3] 5 Includes contingent consideration obligations related to acquisitions, as well as the derivative associated with the Company's sale of Visa shares during the year ended December 31, 2009.

[4] 3 Certain derivative assets of $178 million and derivative liabilities of $15 million have been reclassified to trading assets and derivatives and trading liabilities and derivatives, respectively, at December 31, 2012, for comparability to the same classification of these assets and liabilities at December 31, 2013. Previously, these derivative assets and liabilities were recorded in other assets and other liabilities, respectively.

[5] These amounts include IRLCs and derivative financial instruments entered into by the Mortgage Banking segment to hedge its interest rate risk. See Note 16, "Derivative Financial Instruments," for further disaggregation of derivative assets and liabilities.