Non-U.S. Activities (Schedule Of Results From Non-U.S. Operations) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Segment Reporting Information [Line Items]
Total fee revenue	$ 2,039	$ 1,971	$ 3,963	$ 3,828
Net interest revenue	561	596	1,116	1,172
Gains (losses) related to investment securities, net	(2)	(7)	4	(5)
Total revenue	2,598	2,560	5,083	4,995
Expenses	1,850	1,798	3,878	3,624
Income before income tax expense	746	762	1,201	1,371
Income tax expense	124	183	216	328
Net income	622	579	985	1,043
Non- U.S.
Segment Reporting Information [Line Items]
Total fee revenue	838	811	1,626	1,576
Net interest revenue	341	295	666	568
Gains (losses) related to investment securities, net	(1)	(7)	5	(10)
Total revenue	1,178	1,099	2,297	2,134
Expenses	813	740	1,652	1,493
Income before income tax expense	365	359	645	641
Income tax expense	87	85	152	154
Net income	$ 278	$ 274	$ 493	$ 487