Acquisition and Divestiture Activity (Intangible Assets) (Details) (RBC Bank Usa Acquisition [Member], USD $) In Millions, unless otherwise specified	2 Months Ended
	Mar. 02, 2012
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net	$ 2,649	[1],[2]
Other Intangible Assets [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net	180	[1],[2]
Other Intangible Assets [Member] | Core Deposits [Member] | Accelerated Amortization [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net	164
Acquired Finite-lived Intangible Asset, Weighted Average Useful Life	144 months
Other Intangible Assets [Member] | Residential Mortgage Servicing Rights [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net	$ 16	[3]
Acquired Finite-lived Intangible Asset, Weighted Average Useful Life	68 months	[3]

[1] The table above has been updated to reflect certain immaterial adjustments, including final purchase price settlement.

[2] These items are considered as non-cash activity for the Consolidated Statement of Cash Flows.

[3] Intangible asset accounted for at fair value.