FAIR VALUE MEASUREMENTS (Details - Assets and Liabilities Measured at Fair Value on a Recurring Basis) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017	Dec. 31, 2017
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	$ 228,673		$ 228,673		$ 238,992
Other bond securities	11,774		11,774		12,772
Equity securities available for sale	0		0		1,708
Other equity securities	1,675		1,675		589
Other invested assets	5,926		5,926		6,248
Derivative Assets, Fair Value	3,796		3,796		3,545
Derivative assets, Counterparty netting	(1,433)		(1,433)		(1,464)
Derivative assets, Cash collateral	(1,644)		(1,644)		(1,159)
Short-term investments, portion measured at fair value	3,245		3,245		2,615
Separate account assets, at fair value	90,746		90,746		92,798
Other assets	719		719		922
Fair Value, Liabilities Measured on Recurring Basis
Policyholder contract deposits, portion measured at fair value	3,534		3,534		4,150
Other policyholder funds	3,482		3,482		3,648
Derivative Liabilities, Fair Value	3,298		3,298		3,748
Derivative liabilities, Counterparty netting	(1,433)		(1,433)		(1,464)
Derivative liabilities, Cash collateral	(595)		(595)		(1,249)
Long-term debt, portion measured at fair value	2,615		2,615		2,888
Other liabilities	1,423		1,423		1,124
Fair Value Option
Fair Value, Liabilities Measured on Recurring Basis
Long-term debt, portion measured at fair value	2,615		2,615		2,888
U.S. government and government sponsored entities
Fair Value, Liabilities Measured on Recurring Basis
Assets transferred from Level 1 to Level 2	490	$ 50	681	$ 113
Non-U.S. governments
Fair Value, Liabilities Measured on Recurring Basis
Assets transferred from Level 1 to Level 2	0	0	16	53
Preferred Stock
Fair Value, Liabilities Measured on Recurring Basis
Assets transferred from Level 1 to Level 2		126		126
Recurring Basis
Fair Value, Liabilities Measured on Recurring Basis
Assets transferred from Level 2 to Level 1	0	$ 0	0	$ 0
Recurring Basis | Fair Value Option
Fair Value, Assets Measured on Recurring Basis
Other invested assets	5,500		5,500		6,000
Recurring Basis | Level 1
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	171		171		221
Other bond securities	26		26		238
Equity securities available for sale					1,189
Other equity securities	1,628		1,628		589
Other invested assets	0		0		0
Derivative Assets, Fair Value	27		27		189
Short-term investments, portion measured at fair value	2,307		2,307		2,078
Separate account assets, at fair value	85,783		85,783		87,141
Fair value assets measured on recurring basis, total	89,942		89,942		91,645
Fair Value, Liabilities Measured on Recurring Basis
Policyholder contract deposits, portion measured at fair value	0		0		0
Derivative Liabilities, Fair Value	5		5		4
Long-term debt, portion measured at fair value	0		0		0
Other liabilities	153		153		46
Fair value liabilities measured on recurring basis, total	158		158		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	0		0		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	27		27		188
Fair Value, Liabilities Measured on Recurring Basis
Derivative Liabilities, Fair Value	5		5		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 | U.S. government and government sponsored entities
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	147		147		201
Other bond securities	26		26		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
Recurring Basis | Level 1 | Non-U.S. governments
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	24		24		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	202,724		202,724		209,775
Other bond securities	5,680		5,680		6,022
Equity securities available for sale					519
Other equity securities	47		47		0
Other invested assets	0		0		1
Derivative Assets, Fair Value	3,675		3,675		3,249
Short-term investments, portion measured at fair value	938		938		537
Separate account assets, at fair value	4,963		4,963		5,657
Fair value assets measured on recurring basis, total	218,027		218,027		225,760
Fair Value, Liabilities Measured on Recurring Basis
Policyholder contract deposits, portion measured at fair value	0		0		14
Derivative Liabilities, Fair Value	3,023		3,023		3,450
Long-term debt, portion measured at fair value	2,615		2,615		2,888
Other liabilities	0		0		43
Fair value liabilities measured on recurring basis, total	5,638		5,638		6,395
Recurring Basis | Level 2 | Interest rate contracts
Fair Value, Assets Measured on Recurring Basis
Derivative Assets, Fair Value	2,460		2,460		2,170
Fair Value, Liabilities Measured on Recurring Basis
Derivative Liabilities, Fair Value	1,925		1,925		2,176
Recurring Basis | Level 2 | Foreign exchange contracts
Fair Value, Assets Measured on Recurring Basis
Derivative Assets, Fair Value	1,038		1,038		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	174		174		252
Fair Value, Liabilities Measured on Recurring Basis
Derivative Liabilities, Fair Value	3		3		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	13		13		14
Recurring Basis | Level 2 | Other contracts
Fair Value, Assets Measured on Recurring Basis
Derivative Assets, Fair Value	3		3		0
Fair Value, Liabilities Measured on Recurring Basis
Derivative Liabilities, Fair Value	0		0		0
Recurring Basis | Level 2 | U.S. government and government sponsored entities
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	2,497		2,497		2,455
Other bond securities	2,636		2,636		2,564
Recurring Basis | Level 2 | Obligations of states, municipalities and political subdivisions
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	15,004		15,004		16,240
Recurring Basis | Level 2 | Non-U.S. governments
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	15,273		15,273		15,631
Other bond securities	51		51		57
Recurring Basis | Level 2 | Corporate debt
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	127,074		127,074		133,003
Other bond securities	1,729		1,729		1,891
Recurring Basis | Level 2 | Residential mortgage-backed securities (RMBS)
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	20,003		20,003		21,098
Other bond securities	382		382		421
Recurring Basis | Level 2 | Commercial mortgage-backed securities (CMBS)
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	12,479		12,479		13,217
Other bond securities	340		340		485
Recurring Basis | Level 2 | Collateralized Debt Obligations/Asset Backed Securities (CDO/ABS)
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	10,394		10,394		8,131
Other bond securities	542		542		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	25,778		25,778		28,996
Other bond securities	6,068		6,068		6,512
Equity securities available for sale					0
Other equity securities	0		0		0
Mortgage and other loans receivable	0		0		5
Other invested assets	399		399		250
Derivative Assets, Fair Value	94		94		107
Short-term investments, portion measured at fair value	0		0		0
Separate account assets, at fair value	0		0
Fair value assets measured on recurring basis, total	32,339		32,339		35,870
Fair Value, Liabilities Measured on Recurring Basis
Policyholder contract deposits, portion measured at fair value	3,534		3,534		4,136
Derivative Liabilities, Fair Value	270		270		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	3,804		3,804		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	14		14		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	79		79		82
Fair Value, Liabilities Measured on Recurring Basis
Derivative Liabilities, Fair Value	0		0		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	247		247		263
Recurring Basis | Level 3 | Other contracts
Fair Value, Assets Measured on Recurring Basis
Derivative Assets, Fair Value	14		14		20
Fair Value, Liabilities Measured on Recurring Basis
Derivative Liabilities, Fair Value	4		4		5
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	2,056		2,056		2,404
Recurring Basis | Level 3 | Non-U.S. governments
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	0		0		8
Other bond securities	0		0		0
Recurring Basis | Level 3 | Corporate debt
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	884		884		1,173
Other bond securities	18		18		18
Recurring Basis | Level 3 | Residential mortgage-backed securities (RMBS)
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	15,377		15,377		16,136
Other bond securities	1,338		1,338		1,464
Recurring Basis | Level 3 | Commercial mortgage-backed securities (CMBS)
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	605		605		624
Other bond securities	71		71		74
Recurring Basis | Level 3 | Collateralized Debt Obligations/Asset Backed Securities (CDO/ABS)
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	6,856		6,856		8,651
Other bond securities	4,641		4,641		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
Other bond securities	0		0
Other equity securities	0		0
Other invested assets	0		0
Derivative assets, Counterparty netting	(1,433)		(1,433)		(1,464)
Separate account assets, at fair value	0		0
Fair value assets measured on recurring basis, total	(1,433)		(1,433)		(1,464)
Fair Value, Liabilities Measured on Recurring Basis
Policyholder contract deposits, portion measured at fair value	0		0
Derivative liabilities, Counterparty netting	(1,433)		(1,433)		(1,464)
Long-term debt, portion measured at fair value	0		0
Other liabilities	0		0
Fair value liabilities measured on recurring basis, total	(1,433)		(1,433)		(1,464)
Recurring Basis | Counterparty Netting | Counterparty netting and cash collateral
Fair Value, Assets Measured on Recurring Basis
Derivative assets, Counterparty netting	(1,433)		(1,433)		(1,464)
Fair Value, Liabilities Measured on Recurring Basis
Derivative liabilities, Counterparty netting	(1,433)		(1,433)		(1,464)
Recurring Basis | Cash Collateral
Fair Value, Assets Measured on Recurring Basis
Other bond securities	0		0
Other equity securities	0		0
Other invested assets	0		0
Derivative assets, Cash collateral	(1,644)		(1,644)		(1,159)
Separate account assets, at fair value	0		0
Fair value assets measured on recurring basis, total	(1,644)		(1,644)		(1,159)
Fair Value, Liabilities Measured on Recurring Basis
Policyholder contract deposits, portion measured at fair value	0		0
Derivative liabilities, Cash collateral	(595)		(595)		(1,249)
Long-term debt, portion measured at fair value	0		0
Other liabilities	0		0
Fair value liabilities measured on recurring basis, total	(595)		(595)		(1,249)
Recurring Basis | Cash Collateral | Counterparty netting and cash collateral
Fair Value, Assets Measured on Recurring Basis
Derivative assets, Cash collateral	(1,644)		(1,644)		(1,159)
Fair Value, Liabilities Measured on Recurring Basis
Derivative liabilities, Cash collateral	(595)		(595)		(1,249)
Recurring Basis | Total Fair Value
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	228,673		228,673		238,992
Other bond securities	11,774		11,774		12,772
Equity securities available for sale					1,708
Other equity securities	1,675		1,675		589
Mortgage and other loans receivable	0		0		5
Other invested assets	399		399		251
Derivative Assets, Fair Value	719		719		922
Short-term investments, portion measured at fair value	3,245		3,245		2,615
Separate account assets, at fair value	90,746		90,746		92,798
Fair value assets measured on recurring basis, total	337,231		337,231		350,652
Fair Value, Liabilities Measured on Recurring Basis
Policyholder contract deposits, portion measured at fair value	3,534		3,534		4,150
Derivative Liabilities, Fair Value	1,270		1,270		1,035
Long-term debt, portion measured at fair value	2,615		2,615		2,888
Other liabilities	153		153		89
Fair value liabilities measured on recurring basis, total	7,572		7,572		8,162
Recurring Basis | Total Fair Value | Interest rate contracts
Fair Value, Assets Measured on Recurring Basis
Derivative Assets, Fair Value	2,460		2,460		2,171
Fair Value, Liabilities Measured on Recurring Basis
Derivative Liabilities, Fair Value	1,939		1,939		2,200
Recurring Basis | Total Fair Value | Foreign exchange contracts
Fair Value, Assets Measured on Recurring Basis
Derivative Assets, Fair Value	1,038		1,038		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	280		280		522
Fair Value, Liabilities Measured on Recurring Basis
Derivative Liabilities, Fair Value	8		8		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	260		260		277
Recurring Basis | Total Fair Value | Other contracts
Fair Value, Assets Measured on Recurring Basis
Derivative Assets, Fair Value	17		17		20
Fair Value, Liabilities Measured on Recurring Basis
Derivative Liabilities, Fair Value	4		4		5
Recurring Basis | Total Fair Value | Counterparty netting and cash collateral
Fair Value, Assets Measured on Recurring Basis
Derivative Assets, Fair Value	(3,077)		(3,077)		(2,623)
Fair Value, Liabilities Measured on Recurring Basis
Derivative Liabilities, Fair Value	(2,028)		(2,028)		(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	2,644		2,644		2,656
Other bond securities	2,662		2,662		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	17,060		17,060		18,644
Recurring Basis | Total Fair Value | Non-U.S. governments
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	15,297		15,297		15,659
Other bond securities	51		51		57
Recurring Basis | Total Fair Value | Corporate debt
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	127,958		127,958		134,176
Other bond securities	1,747		1,747		1,909
Recurring Basis | Total Fair Value | Residential mortgage-backed securities (RMBS)
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	35,380		35,380		37,234
Other bond securities	1,720		1,720		1,885
Recurring Basis | Total Fair Value | Commercial mortgage-backed securities (CMBS)
Fair Value, Assets Measured on Recurring Basis
Bonds available for sale	13,084		13,084		13,841
Other bond securities	411		411		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	17,250		17,250		16,782
Other bond securities	$ 5,183		$ 5,183		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