DERIVATIVE FINANCIAL INSTRUMENTS (Details 2) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Foreign exchange derivative contracts
Notional amount of derivatives
Long	$ 13,131,184	$ 9,967,442
Short	13,116,622	9,976,475
Commodity derivative contracts
Notional amount of derivatives
Long	592,686	512,233
Short	592,923	513,245
Fixed income derivative contracts
Notional amount of derivatives
Long	5,949,603	3,119,363
Short	6,057,524	3,195,903
Equity derivative contracts
Notional amount of derivatives
Long	81,841	31,959
Short	$ 430,899	$ 6,605