Goodwill and Other Intangible Assets (Changes In The Carrying Amount Of Other Intangible Assets) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Finite-lived Intangible Assets [Roll Forward]
Beginning balance			$ 2,539	$ 2,459
Divestitures			(5)	0
Amortization	(53)	(46)	(160)	(145)
Foreign currency translation, net			22	(3)
Ending balance	2,396	2,311	2,396	2,311
Investment Servicing
Finite-lived Intangible Assets [Roll Forward]
Beginning balance			2,492	2,408
Divestitures			(5)	0
Amortization			(153)	(143)
Foreign currency translation, net			22	(3)
Ending balance	2,356	2,262	2,356	2,262
Investment Management
Finite-lived Intangible Assets [Roll Forward]
Beginning balance			47	51
Divestitures			0	0
Amortization			(7)	(2)
Foreign currency translation, net			0	0
Ending balance	$ 40	$ 49	$ 40	$ 49