Non-U.S. Activities (Schedule of Results from Non-U.S. Operations) (Details) (USD $) In Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Total fee revenue	$ 1,892	$ 1,696	$ 3,683	$ 3,236
Net interest revenue	572	658	1,149	1,319
Gains (Losses) related to investment securities, net	27	(50)	20	45
Total revenue	2,491	2,304	4,852	4,600
Expenses	1,774	1,944	3,476	3,523
Income before income taxes	715	350	1,375	1,052
Income tax expense	202	(82)	391	125
Net income	513	432	984	927
Non-U.S. Operations Activities [Member]
Total fee revenue	792	687	1,535	1,322
Net interest revenue	159	142	314	297
Gains (Losses) related to investment securities, net	(3)	(13)	(9)	50
Total revenue	948	816	1,840	1,669
Expenses	887	770	1,676	1,425
Income before income taxes	61	46	164	244
Income tax expense	16	17	42	92
Net income	45	29	122	152
U.S. Operations Activities [Member]
Total revenue	$ 262		$ 498