FAIR VALUE MEASUREMENTS (Details 2) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	$ 258,274	$ 269,959
Other bond securities, at fair value	22,623	24,584
Equity securities available for sale	3,656	3,212
Other equity securities	834	662
Other invested assets	8,598	7,056
Derivative assets, at fair value	1,665	3,671
Short-term investments, portion measured at fair value	6,313	8,056
Separate account assets, at fair value	71,059	57,337
Other assets	418	696
Fair Value, Liabilities Measured on Recurring Basis
Policyholder contract deposits, portion measured at fair value	384	1,257
Derivative liabilities, at fair value	2,511	4,061
Long-term debt, portion measured at fair value	6,747	8,055
Other liabilities	933	1,080
Collateralized Debt Obligations/Asset Backed Securities (CDO/ABS)
FAIR VALUE, ASSETS AND LIABILITIES MEASURED ON A RECURRING BASIS
Percentage of securities for which market prices were provided	46.00%	59.00%
Recurring Basis
Fair Value, Liabilities Measured on Recurring Basis
Assets transferred from Level 2 to Level 1	0	0
Recurring Basis | U.S. government and government sponsored entities
Fair Value, Liabilities Measured on Recurring Basis
Assets transferred from Level 1 to Level 2	356	888
Recurring Basis | Non-U.S. government
Fair Value, Liabilities Measured on Recurring Basis
Assets transferred from Level 1 to Level 2	944	464
Recurring Basis | Level 1
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	641	1,004
Other bond securities, at fair value	78	266
Equity securities available for sale	3,626	3,085
Other equity securities	750	578
Other invested assets	1	125
Derivative assets, at fair value	165	106
Short-term investments, portion measured at fair value	332	285
Separate account assets, at fair value	67,708	54,430
Fair value assets measured on recurring basis, total	73,301	59,879
Fair Value, Liabilities Measured on Recurring Basis
Other liabilities	42	30
Fair value liabilities measured on recurring basis, total	42	30
Recurring Basis | Level 1 | Interest rate contracts
Fair Value, Assets Measured on Recurring Basis
Derivative assets, at fair value	14	2
Recurring Basis | Level 1 | Equity contracts
Fair Value, Assets Measured on Recurring Basis
Derivative assets, at fair value	151	104
Recurring Basis | Level 1 | U.S. government and government sponsored entities
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	133
Other bond securities, at fair value	78	266
Recurring Basis | Level 1 | Non-U.S. government
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	508	1,004
Recurring Basis | Level 1 | Common Stock
Fair Value, Assets Measured on Recurring Basis
Equity securities available for sale	3,218	3,002
Recurring Basis | Level 1 | Mutual Funds
Fair Value, Assets Measured on Recurring Basis
Equity securities available for sale	408	83
Recurring Basis | Level 2
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	227,632	244,803
Other bond securities, at fair value	11,930	14,574
Equity securities available for sale	29	59
Other equity securities	84	84
Mortgage and other loans receivable		134
Other invested assets	2,667	1,542
Derivative assets, at fair value	3,875	5,832
Short-term investments, portion measured at fair value	5,981	7,771
Separate account assets, at fair value	3,351	2,907
Other assets	418	696
Fair value assets measured on recurring basis, total	255,967	278,402
Fair Value, Liabilities Measured on Recurring Basis
Policyholder contract deposits, portion measured at fair value	72
Derivative liabilities, at fair value	4,111	6,022
Long-term debt, portion measured at fair value	6,377	7,711
Other liabilities	891	1,050
Fair value liabilities measured on recurring basis, total	11,451	14,783
Recurring Basis | Level 2 | Interest rate contracts
Fair Value, Assets Measured on Recurring Basis
Derivative assets, at fair value	3,716	5,521
Fair Value, Liabilities Measured on Recurring Basis
Derivative liabilities, at fair value	3,661	5,582
Recurring Basis | Level 2 | Foreign exchange contracts
Fair Value, Assets Measured on Recurring Basis
Derivative assets, at fair value	52	104
Fair Value, Liabilities Measured on Recurring Basis
Derivative liabilities, at fair value	319	174
Recurring Basis | Level 2 | Equity contracts
Fair Value, Assets Measured on Recurring Basis
Derivative assets, at fair value	106	63
Fair Value, Liabilities Measured on Recurring Basis
Derivative liabilities, at fair value	101	114
Recurring Basis | Level 2 | Commodity contracts
Fair Value, Assets Measured on Recurring Basis
Derivative assets, at fair value		144
Fair Value, Liabilities Measured on Recurring Basis
Derivative liabilities, at fair value	5	146
Recurring Basis | Level 2 | Other contracts
Fair Value, Assets Measured on Recurring Basis
Derivative assets, at fair value	1
Fair Value, Liabilities Measured on Recurring Basis
Derivative liabilities, at fair value	25	6
Recurring Basis | Level 2 | U.S. government and government sponsored entities
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	3,062	3,483
Other bond securities, at fair value	5,645	6,528
Recurring Basis | Level 2 | Obligations of states, municipalities and political subdivisions
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	28,300	34,681
Other bond securities, at fair value	121
Recurring Basis | Level 2 | Non-U.S. government
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	21,985	25,782
Other bond securities, at fair value	2	2
Recurring Basis | Level 2 | Corporate debt
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	143,297	149,625
Other bond securities, at fair value	1,169	1,320
Recurring Basis | Level 2 | Residential mortgage backed securities (RMBS)
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	21,207	22,730
Other bond securities, at fair value	1,326	1,331
Recurring Basis | Level 2 | Commercial mortgage-backed securities (CMBS)
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	5,747	5,010
Other bond securities, at fair value	509	1,424
Recurring Basis | Level 2 | Collateralized Debt Obligations/Asset Backed Securities (CDO/ABS)
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	4,034	3,492
Other bond securities, at fair value	3,158	3,969
Recurring Basis | Level 2 | Common Stock
Fair Value, Assets Measured on Recurring Basis
Equity securities available for sale		3
Recurring Basis | Level 2 | Preferred Stock
Fair Value, Assets Measured on Recurring Basis
Equity securities available for sale	27	34
Recurring Basis | Level 2 | Mutual Funds
Fair Value, Assets Measured on Recurring Basis
Equity securities available for sale	2	22
Recurring Basis | Level 3
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	30,001	24,152
Other bond securities, at fair value	10,615	9,744
Equity securities available for sale	1	68
Other invested assets	5,930	5,389
Derivative assets, at fair value	179	1,109
Fair value assets measured on recurring basis, total	46,726	40,462
Fair Value, Liabilities Measured on Recurring Basis
Policyholder contract deposits, portion measured at fair value	312	1,257
Derivative liabilities, at fair value	1,618	2,482
Long-term debt, portion measured at fair value	370	344
Fair value liabilities measured on recurring basis, total	2,300	4,083
Recurring Basis | Level 3 | Interest rate contracts
Fair Value, Assets Measured on Recurring Basis
Derivative assets, at fair value	41	956
Fair Value, Liabilities Measured on Recurring Basis
Derivative liabilities, at fair value	141	224
Recurring Basis | Level 3 | Equity contracts
Fair Value, Assets Measured on Recurring Basis
Derivative assets, at fair value	49	54
Fair Value, Liabilities Measured on Recurring Basis
Derivative liabilities, at fair value		7
Recurring Basis | Level 3 | Commodity contracts
Fair Value, Assets Measured on Recurring Basis
Derivative assets, at fair value	1	1
Recurring Basis | Level 3 | Credit contracts
Fair Value, Assets Measured on Recurring Basis
Derivative assets, at fair value	55	60
Fair Value, Liabilities Measured on Recurring Basis
Derivative liabilities, at fair value	1,335	2,051
Recurring Basis | Level 3 | Other contracts
Fair Value, Assets Measured on Recurring Basis
Derivative assets, at fair value	33	38
Fair Value, Liabilities Measured on Recurring Basis
Derivative liabilities, at fair value	142	200
Recurring Basis | Level 3 | Obligations of states, municipalities and political subdivisions
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	1,080	1,024
Recurring Basis | Level 3 | Non-U.S. government
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	16	14
Recurring Basis | Level 3 | Corporate debt
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	1,255	1,487
Recurring Basis | Level 3 | Residential mortgage backed securities (RMBS)
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	14,941	11,662
Other bond securities, at fair value	937	396
Recurring Basis | Level 3 | Commercial mortgage-backed securities (CMBS)
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	5,735	4,905
Other bond securities, at fair value	844	803
Recurring Basis | Level 3 | Collateralized Debt Obligations/Asset Backed Securities (CDO/ABS)
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	6,974	5,060
Other bond securities, at fair value	8,834	8,545
Recurring Basis | Level 3 | Common Stock
Fair Value, Assets Measured on Recurring Basis
Equity securities available for sale	1	24
Recurring Basis | Level 3 | Preferred Stock
Fair Value, Assets Measured on Recurring Basis
Equity securities available for sale		44
Recurring Basis | Counterparty Netting
Fair Value, Assets Measured on Recurring Basis
Derivative assets, at fair value	(1,734)	(2,467)
Fair value assets measured on recurring basis, total	(1,734)	(2,467)
Fair Value, Liabilities Measured on Recurring Basis
Derivative liabilities, at fair value	(1,734)	(2,467)
Fair value liabilities measured on recurring basis, total	(1,734)	(2,467)
Recurring Basis | Counterparty Netting | Counterparty netting and cash collateral
Fair Value, Assets Measured on Recurring Basis
Derivative assets, at fair value	(1,734)	(2,467)
Fair Value, Liabilities Measured on Recurring Basis
Derivative liabilities, at fair value	(1,734)	(2,467)
Recurring Basis | Cash Collateral
Fair Value, Assets Measured on Recurring Basis
Derivative assets, at fair value	(820)	(909)
Fair value assets measured on recurring basis, total	(820)	(909)
Fair Value, Liabilities Measured on Recurring Basis
Derivative liabilities, at fair value	(1,484)	(1,976)
Fair value liabilities measured on recurring basis, total	(1,484)	(1,976)
Securities collateral posted for derivative transactions	1,300	1,900
Securities collateral received not reflected in balance sheet	120	299
Recurring Basis | Cash Collateral | Counterparty netting and cash collateral
Fair Value, Assets Measured on Recurring Basis
Derivative assets, at fair value	(820)	(909)
Fair Value, Liabilities Measured on Recurring Basis
Derivative liabilities, at fair value	(1,484)	(1,976)
Recurring Basis | Total Fair Value
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	258,274	269,959
Other bond securities, at fair value	22,623	24,584
Equity securities available for sale	3,656	3,212
Other equity securities	834	662
Mortgage and other loans receivable		134
Other invested assets	8,598	7,056
Derivative assets, at fair value	1,665	3,671
Short-term investments, portion measured at fair value	6,313	8,056
Separate account assets, at fair value	71,059	57,337
Other assets	418	696
Fair value assets measured on recurring basis, total	373,440	375,367
Fair Value, Liabilities Measured on Recurring Basis
Policyholder contract deposits, portion measured at fair value	384	1,257
Derivative liabilities, at fair value	2,511	4,061
Long-term debt, portion measured at fair value	6,747	8,055
Other liabilities	933	1,080
Fair value liabilities measured on recurring basis, total	10,575	14,453
Recurring Basis | Total Fair Value | Interest rate contracts
Fair Value, Assets Measured on Recurring Basis
Derivative assets, at fair value	3,771	6,479
Fair Value, Liabilities Measured on Recurring Basis
Derivative liabilities, at fair value	3,802	5,806
Recurring Basis | Total Fair Value | Foreign exchange contracts
Fair Value, Assets Measured on Recurring Basis
Derivative assets, at fair value	52	104
Fair Value, Liabilities Measured on Recurring Basis
Derivative liabilities, at fair value	319	174
Recurring Basis | Total Fair Value | Equity contracts
Fair Value, Assets Measured on Recurring Basis
Derivative assets, at fair value	306	221
Fair Value, Liabilities Measured on Recurring Basis
Derivative liabilities, at fair value	101	121
Recurring Basis | Total Fair Value | Commodity contracts
Fair Value, Assets Measured on Recurring Basis
Derivative assets, at fair value	1	145
Fair Value, Liabilities Measured on Recurring Basis
Derivative liabilities, at fair value	5	146
Recurring Basis | Total Fair Value | Credit contracts
Fair Value, Assets Measured on Recurring Basis
Derivative assets, at fair value	55	60
Fair Value, Liabilities Measured on Recurring Basis
Derivative liabilities, at fair value	1,335	2,051
Recurring Basis | Total Fair Value | Other contracts
Fair Value, Assets Measured on Recurring Basis
Derivative assets, at fair value	34	38
Fair Value, Liabilities Measured on Recurring Basis
Derivative liabilities, at fair value	167	206
Recurring Basis | Total Fair Value | Counterparty netting and cash collateral
Fair Value, Assets Measured on Recurring Basis
Derivative assets, at fair value	(2,554)	(3,376)
Fair Value, Liabilities Measured on Recurring Basis
Derivative liabilities, at fair value	(3,218)	(4,443)
Recurring Basis | Total Fair Value | U.S. government and government sponsored entities
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	3,195	3,483
Other bond securities, at fair value	5,723	6,794
Recurring Basis | Total Fair Value | Obligations of states, municipalities and political subdivisions
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	29,380	35,705
Other bond securities, at fair value	121
Recurring Basis | Total Fair Value | Non-U.S. government
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	22,509	26,800
Other bond securities, at fair value	2	2
Recurring Basis | Total Fair Value | Corporate debt
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	144,552	151,112
Other bond securities, at fair value	1,169	1,320
Recurring Basis | Total Fair Value | Residential mortgage backed securities (RMBS)
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	36,148	34,392
Other bond securities, at fair value	2,263	1,727
Recurring Basis | Total Fair Value | Commercial mortgage-backed securities (CMBS)
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	11,482	9,915
Other bond securities, at fair value	1,353	2,227
Recurring Basis | Total Fair Value | Collateralized Debt Obligations/Asset Backed Securities (CDO/ABS)
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	11,008	8,552
Other bond securities, at fair value	11,992	12,514
Recurring Basis | Total Fair Value | Common Stock
Fair Value, Assets Measured on Recurring Basis
Equity securities available for sale	3,219	3,029
Recurring Basis | Total Fair Value | Preferred Stock
Fair Value, Assets Measured on Recurring Basis
Equity securities available for sale	27	78
Recurring Basis | Total Fair Value | Mutual Funds
Fair Value, Assets Measured on Recurring Basis
Equity securities available for sale	$ 410	$ 105