Acquisition and Divestiture Activity (Narrative) (Details) (USD $)	6 Months Ended			6 Months Ended							11 Months Ended	5 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012 Smartstreet [Member]	Jun. 30, 2012 RBC Bank Usa Acquisition [Member]	Mar. 02, 2012 RBC Bank Usa Acquisition [Member] Branches		Mar. 02, 2012 RBC Bank Usa Acquisition [Member] Net Loans [Member]		Mar. 02, 2012 RBC Bank Usa Acquisition [Member] Deposits [Member]		Dec. 09, 2011 Flagstar Branch Acquisition [Member] Branches	Jun. 06, 2011 Bankatlantic Branch Acquisition [Member] Branches
Total Shares Acquired In Acquisition					100.00%
Business Acquisition Cost Of Acquired Entity Purchase Price					$ 3,599,000,000	[1]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net					2,655,000,000	[1],[2]	14,512,000,000	[1],[2]	(18,094,000,000)	[1],[2]
Total Number Branches Acquired					400						27	19
Revenues Excluding Integration Costs				423,000,000
Profit Loss Excluding Integration Costs				117,000,000
Integration Costs		6,000,000		197,000,000
Pending Divestiture Assets			1,000,000,000
Pending Divestiture Deposits			1,000,000,000
Business Acquisition Purchase Price Allocation Assets Acquired											211,800,000	324,900,000
Net cash paid for acquisitiion activity	3,294,000,000	(261,000,000)									169,300,000	256,900,000
Business Acquisition Purchase Price Allocation Property											24,300,000	26,000,000
Business Acquisition Purchase Price Allocation Goodwill Intangible Assets											18,200,000	42,000,000
Business Acquisition Deposits Assumed											210,500,000	324,500,000
Business Acquisition Deposit Premium Paid											0	39,000,000
Business Acquisition Loans Assumed											$ 0	$ 0

[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.