FAIR VALUE MEASUREMENTS (Details - Assets and Liabilities Measured at Fair Value on a Recurring Basis) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	$ 232,720		$ 232,720		$ 238,992
Other bond securities	11,420		11,420		12,772
Equity securities available for sale	0		0		1,708
Other equity securities	1,443		1,443		589
Other invested assets	6,144		6,144		6,248
Derivative Assets, Fair Value	3,788		3,788		3,545
Derivative assets, Counterparty netting	(1,874)		(1,874)		(1,464)
Derivative assets, Cash collateral	(964)		(964)		(1,159)
Short-term investments, portion measured at fair value	3,633		3,633		2,615
Separate account assets, at fair value	93,045		93,045		92,798
Other assets	950		950		922
Fair Value, Liabilities Measured on Recurring Basis
Policyholder contract deposits, portion measured at fair value	3,376		3,376		4,150
Other policyholder funds	3,738		3,738		3,648
Derivative Liabilities, Fair Value	3,466		3,466		3,748
Derivative liabilities, Counterparty netting	(1,874)		(1,874)		(1,464)
Derivative liabilities, Cash collateral	(290)		(290)		(1,249)
Long-term debt, portion measured at fair value	2,311		2,311		2,888
Other liabilities	1,491		1,491		1,124
Fair Value Option
Fair Value, Liabilities Measured on Recurring Basis
Long-term debt, portion measured at fair value	2,311		2,311		2,888
U.S. government and government sponsored entities
Fair Value, Liabilities Measured on Recurring Basis
Assets transferred from Level 1 to Level 2	52	$ 0	733	$ 113
Non-U.S. governments
Fair Value, Liabilities Measured on Recurring Basis
Assets transferred from Level 1 to Level 2	0	300	16	352
Preferred Stock
Fair Value, Liabilities Measured on Recurring Basis
Assets transferred from Level 1 to Level 2	0	$ 0	0	$ 126
Recurring Basis | Level 1
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	28		28		221
Other bond securities	96		96		238
Equity securities available for sale					1,189
Other equity securities	1,400		1,400		589
Mortgage and other loans receivable	0		0		0
Other invested assets	0		0		0
Derivative Assets, Fair Value	16		16		189
Short-term investments, portion measured at fair value	2,513		2,513		2,078
Separate account assets, at fair value	88,092		88,092		87,141
Fair value assets measured on recurring basis, total	92,145		92,145		91,645
Fair Value, Liabilities Measured on Recurring Basis
Policyholder contract deposits, portion measured at fair value	0		0		0
Other policyholder funds	0		0		0
Derivative Liabilities, Fair Value	3		3		4
Long-term debt, portion measured at fair value	0		0		0
Other liabilities	165		165		46
Fair value liabilities measured on recurring basis, total	168		168		50
Recurring Basis | Level 1 | Interest rate contracts
Fair Value, Assets Measured on Recurring Basis
Derivative Assets, Fair Value	0		0		1
Fair Value, Liabilities Measured on Recurring Basis
Derivative Liabilities, Fair Value	1		1		2
Recurring Basis | Level 1 | Foreign exchange contracts
Fair Value, Assets Measured on Recurring Basis
Derivative Assets, Fair Value	0		0		0
Fair Value, Liabilities Measured on Recurring Basis
Derivative Liabilities, Fair Value	0		0		0
Recurring Basis | Level 1 | Equity contracts
Fair Value, Assets Measured on Recurring Basis
Derivative Assets, Fair Value	16		16		188
Fair Value, Liabilities Measured on Recurring Basis
Derivative Liabilities, Fair Value	2		2		2
Recurring Basis | Level 1 | Credit contracts
Fair Value, Assets Measured on Recurring Basis
Derivative Assets, Fair Value	0		0		0
Fair Value, Liabilities Measured on Recurring Basis
Derivative Liabilities, Fair Value	0		0		0
Recurring Basis | Level 1 | Other contracts
Fair Value, Assets Measured on Recurring Basis
Derivative Assets, Fair Value	0		0		0
Fair Value, Liabilities Measured on Recurring Basis
Derivative Liabilities, Fair Value	0		0		0
Recurring Basis | Level 1 | Counterparty netting and cash collateral
Fair Value, Assets Measured on Recurring Basis
Derivative Assets, Fair Value	0		0
Recurring Basis | Level 1 | U.S. government and government sponsored entities
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	9		9		201
Other bond securities	96		96		238
Recurring Basis | Level 1 | Obligations of states, municipalities and political subdivisions
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	0		0		0
Other bond securities	0		0		0
Recurring Basis | Level 1 | Non-U.S. governments
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	19		19		20
Other bond securities	0		0		0
Recurring Basis | Level 1 | Corporate debt
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	0		0		0
Other bond securities	0		0		0
Recurring Basis | Level 1 | Residential mortgage-backed securities (RMBS)
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	0		0		0
Other bond securities	0		0		0
Recurring Basis | Level 1 | Commercial mortgage-backed securities (CMBS)
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	0		0		0
Other bond securities	0		0		0
Recurring Basis | Level 1 | Collateralized Debt Obligations/Asset Backed Securities (CDO/ABS)
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	0		0		0
Other bond securities	0		0		0
Recurring Basis | Level 1 | Common Stock
Fair Value, Assets Measured on Recurring Basis
Equity securities available for sale					1,061
Recurring Basis | Level 1 | Preferred Stock
Fair Value, Assets Measured on Recurring Basis
Equity securities available for sale					18
Recurring Basis | Level 1 | Mutual Funds
Fair Value, Assets Measured on Recurring Basis
Equity securities available for sale					110
Recurring Basis | Level 2
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	205,356		205,356		209,775
Other bond securities	5,444		5,444		6,022
Equity securities available for sale					519
Other equity securities	18		18		0
Mortgage and other loans receivable	0		0		0
Other invested assets	603		603		1
Derivative Assets, Fair Value	3,652		3,652		3,249
Short-term investments, portion measured at fair value	1,120		1,120		537
Separate account assets, at fair value	4,953		4,953		5,657
Fair value assets measured on recurring basis, total	221,146		221,146		225,760
Fair Value, Liabilities Measured on Recurring Basis
Policyholder contract deposits, portion measured at fair value	0		0		14
Other policyholder funds	0		0		0
Derivative Liabilities, Fair Value	3,205		3,205		3,450
Long-term debt, portion measured at fair value	2,311		2,311		2,888
Other liabilities	24		24		43
Fair value liabilities measured on recurring basis, total	5,540		5,540		6,395
Recurring Basis | Level 2 | Interest rate contracts
Fair Value, Assets Measured on Recurring Basis
Derivative Assets, Fair Value	2,505		2,505		2,170
Fair Value, Liabilities Measured on Recurring Basis
Derivative Liabilities, Fair Value	2,106		2,106		2,176
Recurring Basis | Level 2 | Foreign exchange contracts
Fair Value, Assets Measured on Recurring Basis
Derivative Assets, Fair Value	927		927		827
Fair Value, Liabilities Measured on Recurring Basis
Derivative Liabilities, Fair Value	1,082		1,082		1,241
Recurring Basis | Level 2 | Equity contracts
Fair Value, Assets Measured on Recurring Basis
Derivative Assets, Fair Value	220		220		252
Fair Value, Liabilities Measured on Recurring Basis
Derivative Liabilities, Fair Value	2		2		19
Recurring Basis | Level 2 | Credit contracts
Fair Value, Assets Measured on Recurring Basis
Derivative Assets, Fair Value	0		0		0
Fair Value, Liabilities Measured on Recurring Basis
Derivative Liabilities, Fair Value	15		15		14
Recurring Basis | Level 2 | Other contracts
Fair Value, Assets Measured on Recurring Basis
Derivative Assets, Fair Value	0		0		0
Fair Value, Liabilities Measured on Recurring Basis
Derivative Liabilities, Fair Value	0		0		0
Recurring Basis | Level 2 | Counterparty netting and cash collateral
Fair Value, Assets Measured on Recurring Basis
Derivative Assets, Fair Value	0		0
Recurring Basis | Level 2 | U.S. government and government sponsored entities
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	3,084		3,084		2,455
Other bond securities	2,538		2,538		2,564
Recurring Basis | Level 2 | Obligations of states, municipalities and political subdivisions
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	14,516		14,516		16,240
Other bond securities	0		0		0
Recurring Basis | Level 2 | Non-U.S. governments
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	15,196		15,196		15,631
Other bond securities	49		49		57
Recurring Basis | Level 2 | Corporate debt
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	130,942		130,942		133,003
Other bond securities	1,707		1,707		1,891
Recurring Basis | Level 2 | Residential mortgage-backed securities (RMBS)
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	20,365		20,365		21,098
Other bond securities	311		311		421
Recurring Basis | Level 2 | Commercial mortgage-backed securities (CMBS)
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	11,990		11,990		13,217
Other bond securities	328		328		485
Recurring Basis | Level 2 | Collateralized Debt Obligations/Asset Backed Securities (CDO/ABS)
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	9,263		9,263		8,131
Other bond securities	511		511		604
Recurring Basis | Level 2 | Common Stock
Fair Value, Assets Measured on Recurring Basis
Equity securities available for sale					0
Recurring Basis | Level 2 | Preferred Stock
Fair Value, Assets Measured on Recurring Basis
Equity securities available for sale					515
Recurring Basis | Level 2 | Mutual Funds
Fair Value, Assets Measured on Recurring Basis
Equity securities available for sale					4
Recurring Basis | Level 3
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	27,336		27,336		28,996
Other bond securities	5,880		5,880		6,512
Equity securities available for sale					0
Other equity securities	25		25		0
Mortgage and other loans receivable	0		0		5
Other invested assets	398		398		250
Derivative Assets, Fair Value	120		120		107
Short-term investments, portion measured at fair value	0		0		0
Separate account assets, at fair value	0		0		0
Fair value assets measured on recurring basis, total	33,759		33,759		35,870
Fair Value, Liabilities Measured on Recurring Basis
Policyholder contract deposits, portion measured at fair value	3,376		3,376		4,136
Other policyholder funds	0		0		0
Derivative Liabilities, Fair Value	258		258		294
Long-term debt, portion measured at fair value	0		0		0
Other liabilities	0		0		0
Fair value liabilities measured on recurring basis, total	3,634		3,634		4,430
Recurring Basis | Level 3 | Interest rate contracts
Fair Value, Assets Measured on Recurring Basis
Derivative Assets, Fair Value	0		0		0
Fair Value, Liabilities Measured on Recurring Basis
Derivative Liabilities, Fair Value	12		12		22
Recurring Basis | Level 3 | Foreign exchange contracts
Fair Value, Assets Measured on Recurring Basis
Derivative Assets, Fair Value	0		0		4
Fair Value, Liabilities Measured on Recurring Basis
Derivative Liabilities, Fair Value	5		5		4
Recurring Basis | Level 3 | Equity contracts
Fair Value, Assets Measured on Recurring Basis
Derivative Assets, Fair Value	104		104		82
Fair Value, Liabilities Measured on Recurring Basis
Derivative Liabilities, Fair Value	1		1		0
Recurring Basis | Level 3 | Credit contracts
Fair Value, Assets Measured on Recurring Basis
Derivative Assets, Fair Value	1		1		1
Fair Value, Liabilities Measured on Recurring Basis
Derivative Liabilities, Fair Value	237		237		263
Recurring Basis | Level 3 | Other contracts
Fair Value, Assets Measured on Recurring Basis
Derivative Assets, Fair Value	15		15		20
Fair Value, Liabilities Measured on Recurring Basis
Derivative Liabilities, Fair Value	3		3		5
Recurring Basis | Level 3 | Counterparty netting and cash collateral
Fair Value, Assets Measured on Recurring Basis
Derivative Assets, Fair Value	0		0
Recurring Basis | Level 3 | U.S. government and government sponsored entities
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	0		0		0
Other bond securities	0		0		0
Recurring Basis | Level 3 | Obligations of states, municipalities and political subdivisions
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	1,996		1,996		2,404
Other bond securities	0		0		0
Recurring Basis | Level 3 | Non-U.S. governments
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	4		4		8
Other bond securities	0		0		0
Recurring Basis | Level 3 | Corporate debt
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	942		942		1,173
Other bond securities	0		0		18
Recurring Basis | Level 3 | Residential mortgage-backed securities (RMBS)
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	14,861		14,861		16,136
Other bond securities	1,349		1,349		1,464
Recurring Basis | Level 3 | Commercial mortgage-backed securities (CMBS)
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	701		701		624
Other bond securities	73		73		74
Recurring Basis | Level 3 | Collateralized Debt Obligations/Asset Backed Securities (CDO/ABS)
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	8,832		8,832		8,651
Other bond securities	4,458		4,458		4,956
Recurring Basis | Level 3 | Common Stock
Fair Value, Assets Measured on Recurring Basis
Equity securities available for sale					0
Recurring Basis | Level 3 | Preferred Stock
Fair Value, Assets Measured on Recurring Basis
Equity securities available for sale					0
Recurring Basis | Level 3 | Mutual Funds
Fair Value, Assets Measured on Recurring Basis
Equity securities available for sale					0
Recurring Basis | Counterparty Netting
Fair Value, Assets Measured on Recurring Basis
Derivative assets, Counterparty netting	(1,874)		(1,874)		(1,464)
Fair value assets measured on recurring basis, total	(1,874)		(1,874)		(1,464)
Fair Value, Liabilities Measured on Recurring Basis
Derivative liabilities, Counterparty netting	(1,874)		(1,874)		(1,464)
Fair value liabilities measured on recurring basis, total	(1,874)		(1,874)		(1,464)
Recurring Basis | Counterparty Netting | Counterparty netting and cash collateral
Fair Value, Assets Measured on Recurring Basis
Derivative assets, Counterparty netting	(1,874)		(1,874)		(1,464)
Fair Value, Liabilities Measured on Recurring Basis
Derivative liabilities, Counterparty netting	(1,874)		(1,874)		(1,464)
Recurring Basis | Cash Collateral
Fair Value, Assets Measured on Recurring Basis
Derivative assets, Cash collateral	(964)		(964)		(1,159)
Fair value assets measured on recurring basis, total	(964)		(964)		(1,159)
Fair Value, Liabilities Measured on Recurring Basis
Derivative liabilities, Cash collateral	(290)		(290)		(1,249)
Fair value liabilities measured on recurring basis, total	(290)		(290)		(1,249)
Recurring Basis | Cash Collateral | Counterparty netting and cash collateral
Fair Value, Assets Measured on Recurring Basis
Derivative assets, Cash collateral	(964)		(964)		(1,159)
Fair Value, Liabilities Measured on Recurring Basis
Derivative liabilities, Cash collateral	(290)		(290)		(1,249)
Recurring Basis | Total Fair Value
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	232,720		232,720		238,992
Other bond securities	11,420		11,420		12,772
Equity securities available for sale					1,708
Other equity securities	1,443		1,443		589
Mortgage and other loans receivable	0		0		5
Other invested assets	1,001		1,001		251
Derivative Assets, Fair Value	950		950		922
Short-term investments, portion measured at fair value	3,633		3,633		2,615
Separate account assets, at fair value	93,045		93,045		92,798
Fair value assets measured on recurring basis, total	344,212		344,212		350,652
Fair Value, Liabilities Measured on Recurring Basis
Policyholder contract deposits, portion measured at fair value	3,376		3,376		4,150
Derivative Liabilities, Fair Value	1,302		1,302		1,035
Long-term debt, portion measured at fair value	2,311		2,311		2,888
Other liabilities	189		189		89
Fair value liabilities measured on recurring basis, total	7,178		7,178		8,162
Recurring Basis | Total Fair Value | Interest rate contracts
Fair Value, Assets Measured on Recurring Basis
Derivative Assets, Fair Value	2,505		2,505		2,171
Fair Value, Liabilities Measured on Recurring Basis
Derivative Liabilities, Fair Value	2,119		2,119		2,200
Recurring Basis | Total Fair Value | Foreign exchange contracts
Fair Value, Assets Measured on Recurring Basis
Derivative Assets, Fair Value	927		927		831
Fair Value, Liabilities Measured on Recurring Basis
Derivative Liabilities, Fair Value	1,087		1,087		1,245
Recurring Basis | Total Fair Value | Equity contracts
Fair Value, Assets Measured on Recurring Basis
Derivative Assets, Fair Value	340		340		522
Fair Value, Liabilities Measured on Recurring Basis
Derivative Liabilities, Fair Value	5		5		21
Recurring Basis | Total Fair Value | Credit contracts
Fair Value, Assets Measured on Recurring Basis
Derivative Assets, Fair Value	1		1		1
Fair Value, Liabilities Measured on Recurring Basis
Derivative Liabilities, Fair Value	252		252		277
Recurring Basis | Total Fair Value | Other contracts
Fair Value, Assets Measured on Recurring Basis
Derivative Assets, Fair Value	15		15		20
Fair Value, Liabilities Measured on Recurring Basis
Derivative Liabilities, Fair Value	3		3		5
Recurring Basis | Total Fair Value | Counterparty netting and cash collateral
Fair Value, Assets Measured on Recurring Basis
Derivative Assets, Fair Value	(2,838)		(2,838)		(2,623)
Fair Value, Liabilities Measured on Recurring Basis
Derivative Liabilities, Fair Value	(2,164)		(2,164)		(2,713)
Recurring Basis | Total Fair Value | U.S. government and government sponsored entities
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	3,093		3,093		2,656
Other bond securities	2,634		2,634		2,802
Recurring Basis | Total Fair Value | Obligations of states, municipalities and political subdivisions
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	16,512		16,512		18,644
Other bond securities	0		0		0
Recurring Basis | Total Fair Value | Non-U.S. governments
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	15,219		15,219		15,659
Other bond securities	49		49		57
Recurring Basis | Total Fair Value | Corporate debt
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	131,884		131,884		134,176
Other bond securities	1,707		1,707		1,909
Recurring Basis | Total Fair Value | Residential mortgage-backed securities (RMBS)
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	35,226		35,226		37,234
Other bond securities	1,660		1,660		1,885
Recurring Basis | Total Fair Value | Commercial mortgage-backed securities (CMBS)
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	12,691		12,691		13,841
Other bond securities	401		401		559
Recurring Basis | Total Fair Value | Collateralized Debt Obligations/Asset Backed Securities (CDO/ABS)
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	18,095		18,095		16,782
Other bond securities	$ 4,969		$ 4,969		5,560
Recurring Basis | Total Fair Value | Common Stock
Fair Value, Assets Measured on Recurring Basis
Equity securities available for sale					1,061
Recurring Basis | Total Fair Value | Preferred Stock
Fair Value, Assets Measured on Recurring Basis
Equity securities available for sale					533
Recurring Basis | Total Fair Value | Mutual Funds
Fair Value, Assets Measured on Recurring Basis
Equity securities available for sale					$ 114