FAIR VALUE MEASUREMENTS (Details 8) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
INVESTMENTS IN CERTAIN ENTITIES CARRIED AT FAIR VALUE USING NET ASSET VALUE PER SHARE
Fair Value Using Net Asset Value Per Share or its equivalent	$ 7,732	$ 6,041
Unfunded Commitments	977	875
Private equity funds:
INVESTMENTS IN CERTAIN ENTITIES CARRIED AT FAIR VALUE USING NET ASSET VALUE PER SHARE
Fair Value Using Net Asset Value Per Share or its equivalent	3,347	3,233
Unfunded Commitments	949	873
Average original expected lives	10 years
Investment redemption notice period (in days/years)	1 year
Second investment redemption notice period	2 years
Private equity funds: | Expected remaining lives of less than 3 years
INVESTMENTS IN CERTAIN ENTITIES CARRIED AT FAIR VALUE USING NET ASSET VALUE PER SHARE
First threshold level of remaining lives	3 years
Percentage of hedge fund investments that cannot be redeemed, either in whole or in part	62.00%
Private equity funds: | Expected remaining lives of 4 to 6 years
INVESTMENTS IN CERTAIN ENTITIES CARRIED AT FAIR VALUE USING NET ASSET VALUE PER SHARE
Second threshold level of remaining lives	6 years
Percentage of hedge fund investments that cannot be redeemed, either in whole or in part	34.00%
Private equity funds: | Expected remaining lives of 7 to 10 years
INVESTMENTS IN CERTAIN ENTITIES CARRIED AT FAIR VALUE USING NET ASSET VALUE PER SHARE
Third threshold level of remaining lives	10 years
Percentage of hedge fund investments that cannot be redeemed, either in whole or in part	4.00%
Leveraged buyout
INVESTMENTS IN CERTAIN ENTITIES CARRIED AT FAIR VALUE USING NET ASSET VALUE PER SHARE
Fair Value Using Net Asset Value Per Share or its equivalent	2,544	2,529
Unfunded Commitments	578	669
Real Estate / Infrastructure
INVESTMENTS IN CERTAIN ENTITIES CARRIED AT FAIR VALUE USING NET ASSET VALUE PER SHARE
Fair Value Using Net Asset Value Per Share or its equivalent	346	251
Unfunded Commitments	86	52
Venture capital
INVESTMENTS IN CERTAIN ENTITIES CARRIED AT FAIR VALUE USING NET ASSET VALUE PER SHARE
Fair Value Using Net Asset Value Per Share or its equivalent	140	157
Unfunded Commitments	13	16
Distressed
INVESTMENTS IN CERTAIN ENTITIES CARRIED AT FAIR VALUE USING NET ASSET VALUE PER SHARE
Fair Value Using Net Asset Value Per Share or its equivalent	183	184
Unfunded Commitments	34	36
Other..
INVESTMENTS IN CERTAIN ENTITIES CARRIED AT FAIR VALUE USING NET ASSET VALUE PER SHARE
Fair Value Using Net Asset Value Per Share or its equivalent	134	112
Unfunded Commitments	238	100
Hedge funds:
INVESTMENTS IN CERTAIN ENTITIES CARRIED AT FAIR VALUE USING NET ASSET VALUE PER SHARE
Fair Value Using Net Asset Value Per Share or its equivalent	4,385	2,808
Unfunded Commitments	28	2
Hedge fund investments redeemable monthly (as a percent)	14.00%
Hedge fund investments redeemable quarterly (as a percent)	44.00%
Hedge fund investments redeemable semi-annually (as a percent)	22.00%
Hedge fund investments redeemable annually (as a percent)	20.00%
Percentage of hedge fund investments that cannot be redeemed, either in whole or in part	57.00%
Investment redemption notice period (in days/years)	1 day to 180 days
Event-driven
INVESTMENTS IN CERTAIN ENTITIES CARRIED AT FAIR VALUE USING NET ASSET VALUE PER SHARE
Fair Value Using Net Asset Value Per Share or its equivalent	976	788
Unfunded Commitments	2	2
Long-short
INVESTMENTS IN CERTAIN ENTITIES CARRIED AT FAIR VALUE USING NET ASSET VALUE PER SHARE
Fair Value Using Net Asset Value Per Share or its equivalent	1,759	1,318
Unfunded Commitments	11
Macro
INVESTMENTS IN CERTAIN ENTITIES CARRIED AT FAIR VALUE USING NET ASSET VALUE PER SHARE
Fair Value Using Net Asset Value Per Share or its equivalent	612	320
Distressed.
INVESTMENTS IN CERTAIN ENTITIES CARRIED AT FAIR VALUE USING NET ASSET VALUE PER SHARE
Fair Value Using Net Asset Value Per Share or its equivalent	594	316
Unfunded Commitments	15
Emerging markets
INVESTMENTS IN CERTAIN ENTITIES CARRIED AT FAIR VALUE USING NET ASSET VALUE PER SHARE
Fair Value Using Net Asset Value Per Share or its equivalent	287
Other hedge funds
INVESTMENTS IN CERTAIN ENTITIES CARRIED AT FAIR VALUE USING NET ASSET VALUE PER SHARE
Fair Value Using Net Asset Value Per Share or its equivalent	$ 157	$ 66