Purchased Loans (Accretable Yield) (Details) (USD $) In Millions, unless otherwise specified	9 Months Ended
	Sep. 30, 2012		Dec. 31, 2011
Accounting for Acquired Loans Disclosure
Balance	$ 2,264	[1]	$ 2,109	[1]
Addition of accretable yield due to RBC Bank (USA) acquisition on March 2, 2012	587	[1]
Accretion (including excess cash recoveries)	(623)	[1]
Net reclassifications to accretable from non-accretable	211	[1],[2]
Disposals	$ (20)	[1]

[1] The table above has been updated to reflect certain immaterial adjustments.

[2] Over ninety percent of the net reclassifications were driven by the commercial portfolio. Over half of the commercial portfolio impact related to excess cash recoveries recognizedduring the period, with the remaining due to improvements of cash expected to be collected on both RBC Bank (USA) and National City loans in future periods. The remaining net reclassifications were due to future cash flow changes in the consumer portfolio.