Non-U.S. Activities (Schedule Of Results From Non-U.S. Operations) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Segment Reporting Information [Line Items]
Total fee revenue	$ 2,012	$ 1,883	$ 5,975	$ 5,711
Net interest revenue	570	546	1,686	1,718
Gains (losses) related to investment securities, net	0	(4)	4	(9)
Total revenue	2,582	2,425	7,665	7,420
Expenses	1,892	1,722	5,770	5,346
Income before income tax expense	688	703	1,889	2,074
Income tax expense	128	163	344	491
Net income	560	540	1,545	1,583
Non- U.S.
Segment Reporting Information [Line Items]
Total fee revenue	862	771	2,488	2,347
Net interest revenue	325	306	991	874
Gains (losses) related to investment securities, net	1	(2)	6	(12)
Total revenue	1,188	1,075	3,485	3,209
Expenses	791	786	2,443	2,279
Income before income tax expense	397	289	1,042	930
Income tax expense	96	74	248	228
Net income	$ 301	$ 215	$ 794	$ 702