Acquisition and Divestiture Activity (RBC Purchase Accounting) (Details) (RBC Bank Usa Acquisition [Member], USD $) In Millions, unless otherwise specified	Mar. 02, 2012
Business Acquisition [Line Items]
Business Acquisition Cost Of Acquired Entity Purchase Price	$ 3,599	[1]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net	2,649	[1],[2]
Business Acquisition Purchase Price Allocation Goodwill Amount	950	[1]
Cash due from banks [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net	305	[1],[2]
Trading Assets Interest Earning Deposits With Banks Other Short Term Investments [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net	1,493	[1],[2]
Loans Held For Sale [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net	97	[1],[2]
Investment Securities [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net	2,349	[1],[2]
Loans [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net	14,512	[1],[2]
Other Intangible Assets [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net	180	[1],[2]
Equity Investments [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net	35	[1],[2]
Other Assets [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net	3,383	[1],[2]
Deposits [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net	(18,094)	[1],[2]
Other Borrowed Funds [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net	(1,321)	[1],[2]
Other Liabilities [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net	$ (290)	[1],[2]

[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.