Goodwill and Other Intangible Assets (Changes In The Carrying Amount Of Other Intangible Assets) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Finite-lived Intangible Assets [Roll Forward]
Beginning balance			$ 2,539	$ 2,459
Divestitures			(5)	0
Amortization	(54)	(48)	(107)	(99)
Foreign currency translation, net			(21)	(26)
Ending balance	2,406	2,334	2,406	2,334
Investment Servicing
Finite-lived Intangible Assets [Roll Forward]
Beginning balance			2,492	2,408
Divestitures			(5)	0
Amortization			(102)	(96)
Foreign currency translation, net			(19)	(25)
Ending balance	2,366	2,287	2,366	2,287
Investment Management
Finite-lived Intangible Assets [Roll Forward]
Beginning balance			47	51
Divestitures			0	0
Amortization			(5)	(3)
Foreign currency translation, net			(2)	(1)
Ending balance	$ 40	$ 47	$ 40	$ 47