Goodwill and Other Intangible Assets (Gross Carrying Amount, Accumulated Amortization And Net Carrying Amount Of Other Intangible Assets) (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 3,657	$ 3,603
Accumulated Amortization	(1,297)	(1,064)
Net Carrying Amount	2,360	2,539	2,459
Client relationships
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	2,706	2,653
Accumulated Amortization	(975)	(755)
Net Carrying Amount	1,731	1,898
Core deposits
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	717	706
Accumulated Amortization	(191)	(192)
Net Carrying Amount	526	514
Other
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	234	244
Accumulated Amortization	(131)	(117)
Net Carrying Amount	$ 103	$ 127