Capital Adequacy (Details) (Royal Bank [Member])	9 Months Ended
	Sep. 30, 2014 item	Dec. 31, 2011
Royal Bank [Member]
Capital Adequacy [Abstract]
Number of previous quarters for which Call Report was filed	16
Minimum Tier one leverage ratio required (as a percent)	8.00%	8.00%
Minimum total capital to risk weighted assets ratio required (as a percent)		12.00%
Tier I capital (to average assets, leverage) (as a percent)	9.96%
Total capital (to risk-weighted assets) (as a percent)	15.99%