Non-U.S. Activities (Schedule Of Results From Non-U.S. Operations) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Segment Reporting Information [Line Items]
Total fee revenue	$ 1,924	$ 1,857
Net interest revenue	555	576
Gains (losses) related to investment securities, net	6	2
Total revenue	2,485	2,435
Expenses	2,028	1,826
Income before income tax expense	455	609
Income tax expense	92	145
Net income	363	464
Non- U.S.
Segment Reporting Information [Line Items]
Total fee revenue	788	765
Net interest revenue	325	273
Gains (losses) related to investment securities, net	6	(3)
Total revenue	1,119	1,035
Expenses	839	753
Income before income tax expense	280	282
Income tax expense	65	69
Net income	$ 215	$ 213