DERIVATIVES ACTIVITIES (Details 5) (USD $)	Mar. 31, 2012	Dec. 31, 2011
Credit Derivative
Maximum potential amount of future payments	$ 1,431,175,000,000	$ 1,394,528,000,000
Fair value payable	45,991,000,000	72,491,000,000
Fair value of derivative in liability position	31,000,000,000	33,000,000,000
Fair value of collateral already posted	24,000,000,000	28,000,000,000
Additional collateral posted	2,700,000,000
Credit derivatives purchased
Credit Derivative
Fair value, amounts payable	17,776,000,000	12,361,000,000
Credit derivatives sold
Credit Derivative
Fair value, amounts receivable	16,609,000,000	11,335,000,000
Within 1 year
Credit Derivative
Maximum potential amount of future payments	302,097,000,000	266,723,000,000
Fair value payable	1,971,000,000	3,705,000,000
From 1 to 5 years
Credit Derivative
Maximum potential amount of future payments	909,578,000,000	947,211,000,000
Fair value payable	27,753,000,000	46,596,000,000
After 5 years
Credit Derivative
Maximum potential amount of future payments	219,500,000,000	180,594,000,000
Fair value payable	16,267,000,000	22,190,000,000
Investment grade
Credit Derivative
Maximum potential amount of future payments	628,888,000,000	611,447,000,000
Fair value payable	11,294,000,000	16,913,000,000
Non-investment grade
Credit Derivative
Maximum potential amount of future payments	224,332,000,000	226,939,000,000
Fair value payable	18,828,000,000	28,034,000,000
Not rated
Credit Derivative
Maximum potential amount of future payments	577,955,000,000	556,142,000,000
Fair value payable	15,869,000,000	27,544,000,000
Credit default swaps and options
Credit Derivative
Maximum potential amount of future payments	1,430,010,000,000	1,393,082,000,000
Fair value payable	45,851,000,000	72,358,000,000
Total return swaps and other
Credit Derivative
Maximum potential amount of future payments	1,165,000,000	1,446,000,000
Fair value payable	140,000,000	133,000,000
Bank
Credit Derivative
Maximum potential amount of future payments	917,307,000,000	929,608,000,000
Fair value payable	27,886,000,000	45,920,000,000
Broker-dealer
Credit Derivative
Maximum potential amount of future payments	321,445,000,000	321,293,000,000
Fair value payable	12,329,000,000	19,026,000,000
Non-financial
Credit Derivative
Maximum potential amount of future payments	1,690,000,000	1,048,000,000
Fair value payable	93,000,000	98,000,000
Insurance and other financial institutions
Credit Derivative
Maximum potential amount of future payments	190,733,000,000	142,579,000,000
Fair value payable	$ 5,683,000,000	$ 7,447,000,000