Fair Value Election and Measurement Level 3 Significant Unobservable Input Assumptions (parenthetical) (Details) (USD $) In Millions, unless otherwise specified	Mar. 31, 2014		Dec. 31, 2013
Fair Value Inputs, Liabilities, Quantitative Information [Line Items]
Other Liabilities, Fair Value Disclosure	$ 26	[1]	$ 29	[2],[3]
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.

[2] Includes $336 million of FHLB of Atlanta stock, $402 million of Federal Reserve Bank stock, $103 million in mutual fund investments, and $1 million of other.

[3] 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.