Non-U.S. Activities (Schedule Of Results From Non-U.S. Operations) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013		Dec. 31, 2012		Dec. 31, 2011
Segment Reporting Information [Line Items]
Total fee revenue	$ 7,590		$ 7,088		$ 7,194
Net interest revenue	2,303		2,538		2,333
Gains (losses) related to investment securities, net	(9)		23		67
Total revenue	9,884		9,649		9,594
Expenses	7,192		6,886		7,058
Income before income tax expense	2,686		2,766		2,536
Income tax expense	550		705		616
Net income	2,136		2,061		1,920
Gross realized losses from sales of available-for-sale securities	90	[1]	46	[1]	12
Non- U.S.
Segment Reporting Information [Line Items]
Total fee revenue	3,119		2,917		3,004
Net interest revenue	1,191		953		966
Gains (losses) related to investment securities, net	(11)		(40)		(25)
Total revenue	4,299		3,830		3,945
Expenses	3,130		3,013		3,089
Income before income tax expense	1,169		817		856
Income tax expense	289		204		218
Net income	$ 880		$ 613		$ 638

[1] Amount for the year ended December 31, 2012 represented a pre-tax loss from the sale of all of our Greek investment securities, which had an aggregate carrying value of approximately $91 million.