FAIR VALUE MEASUREMENTS (Details - Changes in Level 3 Recurring Fair Value Measurements) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Balance Beginning of Period	$ 35,763	$ 37,666
Net Realized and Unrealized Gains (Losses) Included in Income	1,345	2,133
Other Comprehensive Income (Loss)	(518)	1,298
Purchases, Sales, Issuances and Settlements, Net	(3,705)	(4,647)
Gross Transfers In, assets	2,814	956
Gross Transfers Out, assets	(2,269)	(1,643)
Acquisitions	180
Balance End of Period	33,610	35,763
Changes in Unrealized Gains (Losses) on Instruments Held at End of Period, assets	264	487
Liabilities
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Balance at the Beginning of the Period	4,323	3,413
Net realized and unrealized gains and losses related to Level 3 items, liabilities	(462)	639
Other Comprehensive Income (Loss)	0	0
Purchases, Sales, Issuances and Settlements, Net	406	274
Gross Transfers In, liabilities	0	(3)
Gross Transfers Out, liabilities	2	0
Balance at the End of the Period	4,269	4,323
Changes in Unrealized Gains (Losses) Included in Income on Instruments Held at End of Year, liabilities	557	(318)
Policyholder contract deposits
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Balance at the Beginning of the Period	4,136	3,033
Net realized and unrealized gains and losses related to Level 3 items, liabilities	(334)	807
Other Comprehensive Income (Loss)	0	0
Purchases, Sales, Issuances and Settlements, Net	314	296
Gross Transfers In, liabilities	0	0
Gross Transfers Out, liabilities	0	0
Balance at the End of the Period	4,116	4,136
Changes in Unrealized Gains (Losses) Included in Income on Instruments Held at End of Year, liabilities	495	(499)
Derivative liabilities, net
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Balance at the Beginning of the Period	187	309
Net realized and unrealized gains and losses related to Level 3 items, liabilities	(128)	(184)
Other Comprehensive Income (Loss)	0	0
Purchases, Sales, Issuances and Settlements, Net	92	65
Gross Transfers In, liabilities	0	(3)
Gross Transfers Out, liabilities	2	0
Balance at the End of the Period	153	187
Changes in Unrealized Gains (Losses) Included in Income on Instruments Held at End of Year, liabilities	62	181
Interest rate contracts
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Balance at the Beginning of the Period	22	38
Net realized and unrealized gains and losses related to Level 3 items, liabilities	(1)	(5)
Other Comprehensive Income (Loss)	0	0
Purchases, Sales, Issuances and Settlements, Net	(6)	(11)
Gross Transfers In, liabilities	0	0
Gross Transfers Out, liabilities	0	0
Balance at the End of the Period	15	22
Changes in Unrealized Gains (Losses) Included in Income on Instruments Held at End of Year, liabilities	1	5
Foreign exchange contracts
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Balance at the Beginning of the Period	0	11
Net realized and unrealized gains and losses related to Level 3 items, liabilities	(10)	(2)
Other Comprehensive Income (Loss)	0	0
Purchases, Sales, Issuances and Settlements, Net	5	(9)
Gross Transfers In, liabilities	0	0
Gross Transfers Out, liabilities	0	0
Balance at the End of the Period	(5)	0
Changes in Unrealized Gains (Losses) Included in Income on Instruments Held at End of Year, liabilities	3	3
Equity contracts
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Balance at the Beginning of the Period	(82)	(58)
Net realized and unrealized gains and losses related to Level 3 items, liabilities	(22)	(41)
Other Comprehensive Income (Loss)	0	0
Purchases, Sales, Issuances and Settlements, Net	27	17
Gross Transfers In, liabilities	0	0
Gross Transfers Out, liabilities	2	0
Balance at the End of the Period	(75)	(82)
Changes in Unrealized Gains (Losses) Included in Income on Instruments Held at End of Year, liabilities	(35)	35
Credit contracts
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Balance at the Beginning of the Period	262	329
Net realized and unrealized gains and losses related to Level 3 items, liabilities	(31)	(62)
Other Comprehensive Income (Loss)	0	0
Purchases, Sales, Issuances and Settlements, Net	(4)	(5)
Gross Transfers In, liabilities	0	0
Gross Transfers Out, liabilities	0	0
Balance at the End of the Period	227	262
Changes in Unrealized Gains (Losses) Included in Income on Instruments Held at End of Year, liabilities	31	61
Other contracts
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Balance at the Beginning of the Period	(15)	(11)
Net realized and unrealized gains and losses related to Level 3 items, liabilities	(64)	(74)
Other Comprehensive Income (Loss)	0	0
Purchases, Sales, Issuances and Settlements, Net	70	73
Gross Transfers In, liabilities	0	(3)
Gross Transfers Out, liabilities	0	0
Balance at the End of the Period	(9)	(15)
Changes in Unrealized Gains (Losses) Included in Income on Instruments Held at End of Year, liabilities	62	77
Long-term debt
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Balance at the Beginning of the Period	0	71
Net realized and unrealized gains and losses related to Level 3 items, liabilities	0	16
Other Comprehensive Income (Loss)	0	0
Purchases, Sales, Issuances and Settlements, Net	0	(87)
Gross Transfers In, liabilities		0
Gross Transfers Out, liabilities	0	0
Balance at the End of the Period	0	0
Changes in Unrealized Gains (Losses) Included in Income on Instruments Held at End of Year, liabilities	0	0
Bonds available for sale
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Balance Beginning of Period	28,996	29,971
Net Realized and Unrealized Gains (Losses) Included in Income	818	1,080
Other Comprehensive Income (Loss)	(520)	1,304
Purchases, Sales, Issuances and Settlements, Net	(2,862)	(2,820)
Gross Transfers In, assets	2,749	933
Gross Transfers Out, assets	(2,260)	(1,472)
Acquisitions	172
Balance End of Period	27,093	28,996
Changes in Unrealized Gains (Losses) on Instruments Held at End of Period, assets	0	0
Bonds available for sale | Obligations of states, municipalities and political subdivisions
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Balance Beginning of Period	2,404	2,040
Net Realized and Unrealized Gains (Losses) Included in Income	0	5
Other Comprehensive Income (Loss)	(152)	167
Purchases, Sales, Issuances and Settlements, Net	(66)	216
Gross Transfers In, assets	54	8
Gross Transfers Out, assets	(240)	(32)
Acquisitions	0
Balance End of Period	2,000	2,404
Changes in Unrealized Gains (Losses) on Instruments Held at End of Period, assets	0	0
Bonds available for sale | Non-U.S. governments
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Balance Beginning of Period	8	17
Net Realized and Unrealized Gains (Losses) Included in Income	(9)	(9)
Other Comprehensive Income (Loss)	5	9
Purchases, Sales, Issuances and Settlements, Net	(1)	(9)
Gross Transfers In, assets	13	0
Gross Transfers Out, assets	(5)	0
Acquisitions	0
Balance End of Period	11	8
Changes in Unrealized Gains (Losses) on Instruments Held at End of Period, assets	0	0
Bonds available for sale | Corporate debt
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Balance Beginning of Period	1,173	1,133
Net Realized and Unrealized Gains (Losses) Included in Income	(74)	(3)
Other Comprehensive Income (Loss)	(2)	20
Purchases, Sales, Issuances and Settlements, Net	(207)	(259)
Gross Transfers In, assets	780	886
Gross Transfers Out, assets	(806)	(604)
Acquisitions	0
Balance End of Period	864	1,173
Changes in Unrealized Gains (Losses) on Instruments Held at End of Period, assets	0	0
Bonds available for sale | Residential mortgage-backed securities (RMBS)
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Balance Beginning of Period	16,136	16,906
Net Realized and Unrealized Gains (Losses) Included in Income	838	1,071
Other Comprehensive Income (Loss)	(300)	942
Purchases, Sales, Issuances and Settlements, Net	(2,424)	(2,763)
Gross Transfers In, assets	8	19
Gross Transfers Out, assets	(66)	(39)
Acquisitions	7
Balance End of Period	14,199	16,136
Changes in Unrealized Gains (Losses) on Instruments Held at End of Period, assets	0	0
Bonds available for sale | Commercial mortgage-backed securities (CMBS)
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Balance Beginning of Period	624	2,040
Net Realized and Unrealized Gains (Losses) Included in Income	23	35
Other Comprehensive Income (Loss)	(29)	11
Purchases, Sales, Issuances and Settlements, Net	207	(748)
Gross Transfers In, assets	111	20
Gross Transfers Out, assets	(20)	(734)
Acquisitions	1
Balance End of Period	917	624
Changes in Unrealized Gains (Losses) on Instruments Held at End of Period, assets	0	0
Bonds available for sale | Collateralized Debt Obligations/Asset Backed Securities (CDO/ABS)
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Balance Beginning of Period	8,651	7,835
Net Realized and Unrealized Gains (Losses) Included in Income	40	(19)
Other Comprehensive Income (Loss)	(42)	155
Purchases, Sales, Issuances and Settlements, Net	(371)	743
Gross Transfers In, assets	1,783	0
Gross Transfers Out, assets	(1,123)	(63)
Acquisitions	164
Balance End of Period	9,102	8,651
Changes in Unrealized Gains (Losses) on Instruments Held at End of Period, assets	0	0
Other bond securities
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Balance Beginning of Period	6,512	7,480
Net Realized and Unrealized Gains (Losses) Included in Income	482	1,039
Other Comprehensive Income (Loss)	0	0
Purchases, Sales, Issuances and Settlements, Net	(1,208)	(1,861)
Gross Transfers In, assets	60	23
Gross Transfers Out, assets	(9)	(169)
Acquisitions	8
Balance End of Period	5,845	6,512
Changes in Unrealized Gains (Losses) on Instruments Held at End of Period, assets	193	481
Other bond securities | Corporate debt
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Balance Beginning of Period	18	17
Net Realized and Unrealized Gains (Losses) Included in Income	0	3
Other Comprehensive Income (Loss)	0	0
Purchases, Sales, Issuances and Settlements, Net	(18)	10
Gross Transfers In, assets	0	0
Gross Transfers Out, assets	0	(12)
Acquisitions	0
Balance End of Period	0	18
Changes in Unrealized Gains (Losses) on Instruments Held at End of Period, assets	0	1
Other bond securities | Residential mortgage-backed securities (RMBS)
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Balance Beginning of Period	1,464	1,605
Net Realized and Unrealized Gains (Losses) Included in Income	56	191
Other Comprehensive Income (Loss)	0	0
Purchases, Sales, Issuances and Settlements, Net	(280)	(313)
Gross Transfers In, assets	50	14
Gross Transfers Out, assets	0	(33)
Acquisitions	0
Balance End of Period	1,290	1,464
Changes in Unrealized Gains (Losses) on Instruments Held at End of Period, assets	(10)	113
Other bond securities | Commercial mortgage-backed securities (CMBS)
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Balance Beginning of Period	74	155
Net Realized and Unrealized Gains (Losses) Included in Income	(2)	4
Other Comprehensive Income (Loss)	0	0
Purchases, Sales, Issuances and Settlements, Net	(5)	24
Gross Transfers In, assets	10	9
Gross Transfers Out, assets	0	(118)
Acquisitions	0
Balance End of Period	77	74
Changes in Unrealized Gains (Losses) on Instruments Held at End of Period, assets	(5)	5
Other bond securities | Collateralized Debt Obligations/Asset Backed Securities (CDO/ABS)
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Balance Beginning of Period	4,956	5,703
Net Realized and Unrealized Gains (Losses) Included in Income	428	841
Other Comprehensive Income (Loss)	0	0
Purchases, Sales, Issuances and Settlements, Net	(905)	(1,582)
Gross Transfers In, assets	0	0
Gross Transfers Out, assets	(9)	(6)
Acquisitions	8
Balance End of Period	4,478	4,956
Changes in Unrealized Gains (Losses) on Instruments Held at End of Period, assets	208	362
Equity securities available for sale
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Balance Beginning of Period	0	0
Net Realized and Unrealized Gains (Losses) Included in Income		0
Other Comprehensive Income (Loss)		0
Purchases, Sales, Issuances and Settlements, Net		1
Gross Transfers In, assets		0
Gross Transfers Out, assets		(1)
Balance End of Period		0
Changes in Unrealized Gains (Losses) on Instruments Held at End of Period, assets		0
Equity securities available for sale | Common Stock
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Balance Beginning of Period	0	0
Net Realized and Unrealized Gains (Losses) Included in Income		0
Other Comprehensive Income (Loss)		0
Purchases, Sales, Issuances and Settlements, Net		1
Gross Transfers In, assets		0
Gross Transfers Out, assets		(1)
Balance End of Period		0
Changes in Unrealized Gains (Losses) on Instruments Held at End of Period, assets		0
Other equity securities
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Balance Beginning of Period	0	0
Net Realized and Unrealized Gains (Losses) Included in Income	(2)	0
Other Comprehensive Income (Loss)	0	0
Purchases, Sales, Issuances and Settlements, Net	24	0
Gross Transfers In, assets	5	0
Gross Transfers Out, assets	0	0
Acquisitions	0
Balance End of Period	27	0
Changes in Unrealized Gains (Losses) on Instruments Held at End of Period, assets	0	0
Mortgage and other loans receivable
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Balance Beginning of Period	5	11
Net Realized and Unrealized Gains (Losses) Included in Income	0	0
Other Comprehensive Income (Loss)	0	0
Purchases, Sales, Issuances and Settlements, Net	(5)	(6)
Gross Transfers In, assets	0	0
Gross Transfers Out, assets	0	0
Acquisitions	0
Balance End of Period	0	5
Changes in Unrealized Gains (Losses) on Instruments Held at End of Period, assets	0	0
Other invested assets
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Balance Beginning of Period	250	204
Net Realized and Unrealized Gains (Losses) Included in Income	47	14
Other Comprehensive Income (Loss)	2	(6)
Purchases, Sales, Issuances and Settlements, Net	288	39
Gross Transfers In, assets	0	0
Gross Transfers Out, assets	0	(1)
Acquisitions	0
Balance End of Period	587	250
Changes in Unrealized Gains (Losses) on Instruments Held at End of Period, assets	71	6
Other assets
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Balance Beginning of Period	0
Net Realized and Unrealized Gains (Losses) Included in Income	0
Other Comprehensive Income (Loss)	0
Purchases, Sales, Issuances and Settlements, Net	58
Gross Transfers In, assets	0
Gross Transfers Out, assets	0
Acquisitions	0
Balance End of Period	58	$ 0
Changes in Unrealized Gains (Losses) on Instruments Held at End of Period, assets	$ 0