FAIR VALUE MEASUREMENTS (Details - Changes in Level 3 Recurring Fair Value Measurements) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Balance Beginning of Period	$ 33,723	$ 35,000	$ 33,610	$ 35,763
Net Realized and Unrealized Gains (Losses) Included in Income	400	307	717	678
Other Comprehensive Income (Loss)	412	(51)	642	(211)
Purchases, Sales, Issuances and Settlements, Net	(860)	(1,275)	(1,351)	(2,685)
Gross Transfers In, assets	501	58	1,299	624
Gross Transfers Out, assets	(394)	(1,794)	(1,135)	(1,924)
Balance End of Period	33,782	32,245	33,782	32,245
Changes in Unrealized Gains (Losses) on Instruments Held at End of Period, assets	79	359	107	391
Liabilities
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Balance at the Beginning of the Period	5,010	3,874	4,269	4,323
Net realized and unrealized gains and losses related to Level 3 items, liabilities	923	(247)	1,452	(789)
Other Comprehensive Income (Loss)	0	0	0	0
Purchases, Sales, Issuances and Settlements, Net	197	81	409	174
Gross Transfers In, liabilities	0	0	0	0
Gross Transfers Out, liabilities	0	2	0	2
Balance at the End of the Period	6,130	3,710	6,130	3,710
Changes in Unrealized Gains (Losses) Included in Income on Instruments Held at End of Year, liabilities	(785)	311	(1,257)	942
Derivative liabilities, net
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Balance at the Beginning of the Period	132	178	153	187
Net realized and unrealized gains and losses related to Level 3 items, liabilities	(47)	(9)	(87)	(45)
Other Comprehensive Income (Loss)	0	0	0	0
Purchases, Sales, Issuances and Settlements, Net	(20)	5	(1)	32
Gross Transfers In, liabilities	0	0	0	0
Gross Transfers Out, liabilities	0	2	0	2
Balance at the End of the Period	65	176	65	176
Changes in Unrealized Gains (Losses) Included in Income on Instruments Held at End of Year, liabilities	47	13	95	40
Interest rate contracts
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Balance at the Beginning of the Period	15	17	15	22
Net realized and unrealized gains and losses related to Level 3 items, liabilities	2	(1)	3	(4)
Other Comprehensive Income (Loss)	0	0	0	0
Purchases, Sales, Issuances and Settlements, Net	(1)	(2)	(2)	(4)
Gross Transfers In, liabilities	0	0	0	0
Gross Transfers Out, liabilities	0	0	0	0
Balance at the End of the Period	16	14	16	14
Changes in Unrealized Gains (Losses) Included in Income on Instruments Held at End of Year, liabilities	(2)	1	(3)	4
Foreign exchange contracts
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Balance at the Beginning of the Period	(1)	1	(5)	0
Net realized and unrealized gains and losses related to Level 3 items, liabilities	(5)	6	(10)	(4)
Other Comprehensive Income (Loss)	0	0	0	0
Purchases, Sales, Issuances and Settlements, Net	2	(2)	11	9
Gross Transfers In, liabilities	0	0	0	0
Gross Transfers Out, liabilities	0	0	0	0
Balance at the End of the Period	(4)	5	(4)	5
Changes in Unrealized Gains (Losses) Included in Income on Instruments Held at End of Year, liabilities	4	(4)	4	(3)
Equity contracts
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Balance at the Beginning of the Period	(96)	(78)	(75)	(82)
Net realized and unrealized gains and losses related to Level 3 items, liabilities	(4)	5	(20)	9
Other Comprehensive Income (Loss)	0	0	0	0
Purchases, Sales, Issuances and Settlements, Net	(13)	(8)	(18)	(8)
Gross Transfers In, liabilities	0	0	0	0
Gross Transfers Out, liabilities	0	2	0	2
Balance at the End of the Period	(113)	(79)	(113)	(79)
Changes in Unrealized Gains (Losses) Included in Income on Instruments Held at End of Year, liabilities	4	(5)	32	(9)
Credit contracts
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Balance at the Beginning of the Period	222	250	227	262
Net realized and unrealized gains and losses related to Level 3 items, liabilities	(24)	(4)	(27)	(14)
Other Comprehensive Income (Loss)	0	0	0	0
Purchases, Sales, Issuances and Settlements, Net	(25)	0	(27)	(2)
Gross Transfers In, liabilities	0	0	0	0
Gross Transfers Out, liabilities	0	0	0	0
Balance at the End of the Period	173	246	173	246
Changes in Unrealized Gains (Losses) Included in Income on Instruments Held at End of Year, liabilities	23	3	27	13
Other contracts
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Balance at the Beginning of the Period	(8)	(12)	(9)	(15)
Net realized and unrealized gains and losses related to Level 3 items, liabilities	(16)	(15)	(33)	(32)
Other Comprehensive Income (Loss)	0	0	0	0
Purchases, Sales, Issuances and Settlements, Net	17	17	35	37
Gross Transfers In, liabilities	0	0	0	0
Gross Transfers Out, liabilities	0	0	0	0
Balance at the End of the Period	(7)	(10)	(7)	(10)
Changes in Unrealized Gains (Losses) Included in Income on Instruments Held at End of Year, liabilities	18	18	35	35
Policyholder contract deposits
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Balance at the Beginning of the Period	4,878	3,696	4,116	4,136
Net realized and unrealized gains and losses related to Level 3 items, liabilities	970	(238)	1,539	(744)
Other Comprehensive Income (Loss)	0	0	0	0
Purchases, Sales, Issuances and Settlements, Net	217	76	410	142
Gross Transfers In, liabilities	0	0	0	0
Gross Transfers Out, liabilities	0	0	0	0
Balance at the End of the Period	6,065	3,534	6,065	3,534
Changes in Unrealized Gains (Losses) Included in Income on Instruments Held at End of Year, liabilities	(832)	298	(1,352)	902
Bonds available for sale
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Balance Beginning of Period	27,448	28,410	27,093	28,996
Net Realized and Unrealized Gains (Losses) Included in Income	223	150	451	370
Other Comprehensive Income (Loss)	411	(51)	641	(212)
Purchases, Sales, Issuances and Settlements, Net	(187)	(995)	(444)	(2,084)
Gross Transfers In, assets	501	58	1,299	623
Gross Transfers Out, assets	(383)	(1,794)	(1,027)	(1,915)
Balance End of Period	28,013	25,778	28,013	25,778
Changes in Unrealized Gains (Losses) on Instruments Held at End of Period, assets	0	0	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	2,136	2,261	2,000	2,404
Net Realized and Unrealized Gains (Losses) Included in Income	0	0	(1)	1
Other Comprehensive Income (Loss)	105	(40)	202	(115)
Purchases, Sales, Issuances and Settlements, Net	62	(29)	86	(98)
Gross Transfers In, assets	6	0	35	0
Gross Transfers Out, assets	(147)	(136)	(160)	(136)
Balance End of Period	2,162	2,056	2,162	2,056
Changes in Unrealized Gains (Losses) on Instruments Held at End of Period, assets	0	0	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	3	9	11	8
Net Realized and Unrealized Gains (Losses) Included in Income	(1)	(1)	(1)	(5)
Other Comprehensive Income (Loss)	0	2	0	6
Purchases, Sales, Issuances and Settlements, Net	0	(5)	(4)	(4)
Gross Transfers In, assets	0	0	0	0
Gross Transfers Out, assets	0	(5)	(4)	(5)
Balance End of Period	2	0	2	0
Changes in Unrealized Gains (Losses) on Instruments Held at End of Period, assets	0	0	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	1,532	1,871	864	1,173
Net Realized and Unrealized Gains (Losses) Included in Income	29	(8)	26	(65)
Other Comprehensive Income (Loss)	43	(7)	81	3
Purchases, Sales, Issuances and Settlements, Net	(99)	(394)	(65)	(146)
Gross Transfers In, assets	389	3	1,043	568
Gross Transfers Out, assets	(73)	(581)	(128)	(649)
Balance End of Period	1,821	884	1,821	884
Changes in Unrealized Gains (Losses) on Instruments Held at End of Period, assets	0	0	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	14,045	15,839	14,199	16,136
Net Realized and Unrealized Gains (Losses) Included in Income	182	153	409	419
Other Comprehensive Income (Loss)	137	(5)	161	0
Purchases, Sales, Issuances and Settlements, Net	(404)	(616)	(816)	(1,152)
Gross Transfers In, assets	44	8	67	8
Gross Transfers Out, assets	(141)	(2)	(157)	(34)
Balance End of Period	13,863	15,377	13,863	15,377
Changes in Unrealized Gains (Losses) on Instruments Held at End of Period, assets	0	0	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	892	584	917	624
Net Realized and Unrealized Gains (Losses) Included in Income	5	(2)	6	4
Other Comprehensive Income (Loss)	13	(4)	30	(21)
Purchases, Sales, Issuances and Settlements, Net	150	(7)	296	(30)
Gross Transfers In, assets	58	47	58	47
Gross Transfers Out, assets	(15)	(13)	(204)	(19)
Balance End of Period	1,103	605	1,103	605
Changes in Unrealized Gains (Losses) on Instruments Held at End of Period, assets	0	0	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	8,840	7,846	9,102	8,651
Net Realized and Unrealized Gains (Losses) Included in Income	8	8	12	16
Other Comprehensive Income (Loss)	113	3	167	(85)
Purchases, Sales, Issuances and Settlements, Net	104	56	59	(654)
Gross Transfers In, assets	4	0	96	0
Gross Transfers Out, assets	(7)	(1,057)	(374)	(1,072)
Balance End of Period	9,062	6,856	9,062	6,856
Changes in Unrealized Gains (Losses) on Instruments Held at End of Period, assets	0	0	0	0
Other bond securities
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Balance Beginning of Period	5,599	6,295	5,845	6,512
Net Realized and Unrealized Gains (Losses) Included in Income	159	131	248	259
Other Comprehensive Income (Loss)	0	0	0	0
Purchases, Sales, Issuances and Settlements, Net	(679)	(358)	(918)	(695)
Gross Transfers In, assets	0	0	0	1
Gross Transfers Out, assets	(11)	0	(107)	(9)
Balance End of Period	5,068	6,068	5,068	6,068
Changes in Unrealized Gains (Losses) on Instruments Held at End of Period, assets	58	359	85	366
Other bond securities | Corporate debt
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Balance Beginning of Period	0	19	0	18
Net Realized and Unrealized Gains (Losses) Included in Income	0	(1)	0	0
Other Comprehensive Income (Loss)	0	0	0	0
Purchases, Sales, Issuances and Settlements, Net	0	0	0	0
Gross Transfers In, assets	0	0	0	0
Gross Transfers Out, assets	0	0	0	0
Balance End of Period	0	18	0	18
Changes in Unrealized Gains (Losses) on Instruments Held at End of Period, assets	0	0	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	1,266	1,427	1,290	1,464
Net Realized and Unrealized Gains (Losses) Included in Income	43	16	60	55
Other Comprehensive Income (Loss)	0	0	0	0
Purchases, Sales, Issuances and Settlements, Net	(479)	(105)	(520)	(181)
Gross Transfers In, assets	0	0	0	0
Gross Transfers Out, assets	0	0	0	0
Balance End of Period	830	1,338	830	1,338
Changes in Unrealized Gains (Losses) on Instruments Held at End of Period, assets	(19)	151	(19)	153
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	84	73	77	74
Net Realized and Unrealized Gains (Losses) Included in Income	0	(2)	4	(3)
Other Comprehensive Income (Loss)	0	0	0	0
Purchases, Sales, Issuances and Settlements, Net	14	0	17	(1)
Gross Transfers In, assets	0	0	0	1
Gross Transfers Out, assets	(10)	0	(10)	0
Balance End of Period	88	71	88	71
Changes in Unrealized Gains (Losses) on Instruments Held at End of Period, assets	1	4	4	4
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	4,249	4,776	4,478	4,956
Net Realized and Unrealized Gains (Losses) Included in Income	116	118	184	207
Other Comprehensive Income (Loss)	0	0	0	0
Purchases, Sales, Issuances and Settlements, Net	(214)	(253)	(415)	(513)
Gross Transfers In, assets	0	0	0	0
Gross Transfers Out, assets	(1)	0	(97)	(9)
Balance End of Period	4,150	4,641	4,150	4,641
Changes in Unrealized Gains (Losses) on Instruments Held at End of Period, assets	76	204	100	208
Equity securities
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Balance Beginning of Period	26	3	27	0
Net Realized and Unrealized Gains (Losses) Included in Income	0	(3)	0	(3)
Other Comprehensive Income (Loss)	0	0	0	0
Purchases, Sales, Issuances and Settlements, Net	9	0	9	3
Gross Transfers In, assets	0	0	0	0
Gross Transfers Out, assets	0	0	(1)	0
Balance End of Period	35	0	35	0
Changes in Unrealized Gains (Losses) on Instruments Held at End of Period, assets	3	0	3	0
Mortgage and other loans receivable
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Balance Beginning of Period	0	0	0	5
Net Realized and Unrealized Gains (Losses) Included in Income	0	0	0	0
Other Comprehensive Income (Loss)	0	0	0	0
Purchases, Sales, Issuances and Settlements, Net	0	0	0	(5)
Gross Transfers In, assets	0	0	0	0
Gross Transfers Out, assets	0	0	0	0
Balance End of Period	0	0	0	0
Changes in Unrealized Gains (Losses) on Instruments Held at End of Period, assets	0	0	0	0
Other invested assets
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Balance Beginning of Period	591	292	587	250
Net Realized and Unrealized Gains (Losses) Included in Income	18	29	18	52
Other Comprehensive Income (Loss)	1	0	1	1
Purchases, Sales, Issuances and Settlements, Net	(5)	78	(1)	96
Gross Transfers In, assets	0	0	0	0
Gross Transfers Out, assets	0	0	0	0
Balance End of Period	605	399	605	399
Changes in Unrealized Gains (Losses) on Instruments Held at End of Period, assets	18	$ 0	19	$ 25
Other assets
Fair value assets and liabilities measured on recurring basis, unobservable input reconciliation calculation
Balance Beginning of Period	59		58
Net Realized and Unrealized Gains (Losses) Included in Income	0		0
Other Comprehensive Income (Loss)	0		0
Purchases, Sales, Issuances and Settlements, Net	2		3
Gross Transfers In, assets	0		0
Gross Transfers Out, assets	0		0
Balance End of Period	61		61
Changes in Unrealized Gains (Losses) on Instruments Held at End of Period, assets	$ 0		$ 0