FAIR VALUE MEASUREMENTS (Details - Investments in Certain Entities Carried at Fair Value Using Net Asset Value Per Share) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2015	Dec. 31, 2014
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Fair Value Using Net Asset Value Per Share or its equivalent	$ 8,881	$ 8,359
Unfunded Commitments	998	986
Private equity funds:
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Fair Value Using Net Asset Value Per Share or its equivalent	2,833	3,160
Unfunded Commitments	$ 980	980
Average original expected lives	10 years
Second investment redemption notice period	2 years
Private equity funds: | Maximum
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Average original expected lives	2 years
Private equity funds: | Minimum
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Average original expected lives	1 year
Private equity funds: | Expected remaining lives of 3 years or less
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Percentage of hedge fund investments that cannot be redeemed, either in whole or in part	82.00%
Private equity funds: | Expected remaining lives of 3 years or less | Maximum
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
First threshold level of remaining lives	3 years
Private equity funds: | Expected remaining lives of less than 4 to 6 years
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Percentage of hedge fund investments that cannot be redeemed, either in whole or in part	5.00%
Private equity funds: | Expected remaining lives of less than 4 to 6 years | Maximum
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Second threshold level of remaining lives	6 years
Private equity funds: | Expected remaining lives of less than 4 to 6 years | Minimum
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Second threshold level of remaining lives	4 years
Private equity funds: | Expected remaining lives of less than 7 to 10 years
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Percentage of hedge fund investments that cannot be redeemed, either in whole or in part	13.00%
Private equity funds: | Expected remaining lives of less than 7 to 10 years | Maximum
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Third threshold level of remaining lives	10 years
Private equity funds: | Expected remaining lives of less than 7 to 10 years | Minimum
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Third threshold level of remaining lives	7 years
Leveraged buyout
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Fair Value Using Net Asset Value Per Share or its equivalent	$ 1,941	2,275
Unfunded Commitments	423	450
Real Estate / Infrastructure
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Fair Value Using Net Asset Value Per Share or its equivalent	328	384
Unfunded Commitments	202	227
Venture capital
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Fair Value Using Net Asset Value Per Share or its equivalent	118	121
Unfunded Commitments	53	26
Distressed
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Fair Value Using Net Asset Value Per Share or its equivalent	158	164
Unfunded Commitments	42	43
Other..
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Fair Value Using Net Asset Value Per Share or its equivalent	288	216
Unfunded Commitments	260	234
Hedge funds:
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Fair Value Using Net Asset Value Per Share or its equivalent	6,048	5,199
Unfunded Commitments	$ 18	6
Hedge fund investments redeemable monthly (as a percent)	14.00%
Hedge fund investments redeemable quarterly (as a percent)	48.00%
Hedge fund investments redeemable semi-annually (as a percent)	14.00%
Hedge fund investments redeemable annually (as a percent)	24.00%
Percentage of hedge fund investments that cannot be redeemed, either in whole or in part	45.00%
Hedge funds: | Maximum
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Investment redemption notice period (in days/years)	180 days
Hedge funds: | Minimum
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Investment redemption notice period (in days/years)	1 day
Event-driven
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Fair Value Using Net Asset Value Per Share or its equivalent	$ 1,242	1,109
Unfunded Commitments	0	0
Long-short
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Fair Value Using Net Asset Value Per Share or its equivalent	2,998	2,428
Unfunded Commitments	8	1
Macro
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Fair Value Using Net Asset Value Per Share or its equivalent	552	498
Unfunded Commitments	0	0
Distressed.
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Fair Value Using Net Asset Value Per Share or its equivalent	736	731
Unfunded Commitments	10	5
Emerging markets
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Fair Value Using Net Asset Value Per Share or its equivalent	358	308
Unfunded Commitments	0	0
Other hedge funds
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Fair Value Using Net Asset Value Per Share or its equivalent	162	125
Unfunded Commitments	$ 0	$ 0