GOODWILL AND OTHER INTANGIBLE ASSETS (Details - Intangible assets) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Intangible Assets [Line Items]
Other intangibles assets, beginning of year	$ 333	$ 360	$ 106
Acquisitions	0	0	284
Dispositions	(4)
Amortization	(9)	(8)	(11)
Other	(1)	(19)	(19)
Other intangibles assets, end of year	$ 319	333	360
Intangible Assets, Amortized Percentage, Year One	9.20%
Intangible Assets, Amortized Percentage, Year Two	9.30%
Intangible Assets, Amortized Percentage, Year Three	9.50%
Intangible Assets, Amortized Percentage, Year Four	8.40%
Intangible Assets, Amortized Percentage, Year Five	8.20%
Intangible Assets, Amortized Percentage, After Year Five	55.40%
Value of Distribution Network Acquired
Intangible Assets [Line Items]
Value of distribution network acquried, beginning of year	$ 536	569	0
Acquisitions	0	0	582
Amortization	(40)	(39)	(15)
Other	1	6	2
Value of distribution network acquried, end of year	497	536	569
General Insurance | North America
Intangible Assets [Line Items]
Other intangibles assets, beginning of year	82	86	27
Acquisitions	0	0	61
Dispositions	0
Amortization	(2)	(1)	(2)
Other	(1)	(3)	0
Other intangibles assets, end of year	79	82	86
General Insurance | North America | Value of Distribution Network Acquired
Intangible Assets [Line Items]
Value of distribution network acquried, beginning of year	0	0	0
Acquisitions	0	0	0
Amortization	0	0	0
Other	0	0	0
Value of distribution network acquried, end of year	0	0	0
General Insurance | International
Intangible Assets [Line Items]
Other intangibles assets, beginning of year	211	212	8
Acquisitions	0	0	207
Dispositions	0
Amortization	(1)	(1)	(3)
Other	0	0	0
Other intangibles assets, end of year	210	211	212
General Insurance | International | Value of Distribution Network Acquired
Intangible Assets [Line Items]
Value of distribution network acquried, beginning of year	0	0	0
Acquisitions	0	0	0
Amortization	0	0	0
Other	0	0	0
Value of distribution network acquried, end of year	0	0	0
Life Insurance
Intangible Assets [Line Items]
Other intangibles assets, beginning of year	24	46	34
Acquisitions	0	0	16
Dispositions	0
Amortization	(4)	(4)	(4)
Other	2	(18)	0
Other intangibles assets, end of year	22	24	46
Life Insurance | Value of Distribution Network Acquired
Intangible Assets [Line Items]
Value of distribution network acquried, beginning of year	0	0	0
Acquisitions	0	0	0
Amortization	0	0	0
Other	0	0	0
Value of distribution network acquried, end of year	0	0	0
Other Operations
Intangible Assets [Line Items]
Other intangibles assets, beginning of year	16	16	37
Acquisitions	0	0	0
Dispositions	(4)
Amortization	(2)	(2)	(2)
Other	(2)	2	(19)
Other intangibles assets, end of year	8	16	16
Other Operations | Value of Distribution Network Acquired
Intangible Assets [Line Items]
Value of distribution network acquried, beginning of year	536	569	0
Acquisitions	0	0	582
Amortization	(40)	(39)	(15)
Other	1	6	2
Value of distribution network acquried, end of year	$ 497	$ 536	$ 569