COMMISSIONS AND FEES (Details) (USD $) In Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Commissions and fees
Total commissions and fees	$ 3,557	$ 3,229	$ 6,925	$ 6,874
Credit cards and bank cards
Commissions and fees
Total commissions and fees	944	999	1,809	1,964
Investment banking
Commissions and fees
Total commissions and fees	812	473	1,459	1,318
Trading-related
Commissions and fees
Total commissions and fees	667	621	1,358	1,220
Transaction Services
Commissions and fees
Total commissions and fees	387	364	761	711
Checking-related
Commissions and fees
Total commissions and fees	246	260	471	533
Other consumer
Commissions and fees
Total commissions and fees	213	293	430	605
Primerica
Commissions and fees
Total commissions and fees				91
Corporate finance
Commissions and fees
Total commissions and fees	171	87	299	183
Loan servicing
Commissions and fees
Total commissions and fees	104	143	250	282
Other
Commissions and fees
Total commissions and fees	$ 13	$ (11)	$ 88	$ (33)