Goodwill and Other Intangible Assets (Changes In The Carrying Amount Of Goodwill) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Goodwill [Roll Forward]
Beginning balance	$ 6,036	$ 5,977
Foreign currency translation, net	2	(65)
Ending balance	6,038	5,912
Investment Servicing
Goodwill [Roll Forward]
Beginning balance	5,999	5,941
Foreign currency translation, net	2	(64)
Ending balance	6,001	5,877
Investment Management
Goodwill [Roll Forward]
Beginning balance	37	36
Foreign currency translation, net	0	(1)
Ending balance	$ 37	$ 35