EQUITY (Details - Rollforward of Accumulated other comprehensive income (loss)) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance, beginning of period, net of tax	$ 4,982	$ (1,413)	$ 5,465
Change in unrealized appreciation (depreciation) of investments	9,491	14,175	(10,008)
Change in deferred policy acquisition costs adjustment and other	(1,316)	(1,856)	1,243
Change in future policy benefits	2,408	(4,462)	1,711
Changes in foreign currency translation adjustments	303	135	(314)
Change in net actuarial loss	(67)	(58)	(23)
Change in prior service credit	(18)	(2)	(4)
Change in deferred tax asset (liability)	(2,289)	(1,514)	1,099
Change in fair value of liabilities under fair value option attributable to changes in own credit risk	1	(3)	3
Other comprehensive income (loss)	8,513	6,415	(6,293)
Noncontrolling interests	(16)	20	9
Balance, end of period, net of tax	13,511	4,982	(1,413)
Cumulative effect of change in accounting principle
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance, beginning of period, net of tax		(576)
Balance, end of period, net of tax			(576)
Accumulated Other Comprehensive Income (Loss)
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other comprehensive income (loss)	8,529	6,395	(6,302)
Unrealized Appreciation (Depreciation) of Fixed Maturity Securities on Which Allowance for Credit Losses Were Taken
Accumulated Other Comprehensive Income (Loss) [Line Items]
Change in unrealized appreciation (depreciation) of investments	(133)
Change in deferred policy acquisition costs adjustment and other	11
Change in deferred tax asset (liability)	27
Other comprehensive income (loss)	(95)
Balance, end of period, net of tax	(95)
Unrealized Appreciation (Depreciation) of Fixed Maturity Securities on Which Allowance for Credit Losses Were Taken | Cumulative effect of change in accounting principle
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance, beginning of period, net of tax		169
Balance, end of period, net of tax			169
Unrealized Appreciation (Depreciation) of Fixed Maturity Securities on Which Other-Than-Temporary Credit Impairments Were Taken
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance, beginning of period, net of tax	623	(38)	793
Change in unrealized appreciation (depreciation) of investments		842	(1,320)
Change in deferred policy acquisition costs adjustment and other		15	(57)
Change in deferred tax asset (liability)		(196)	377
Other comprehensive income (loss)		661	(1,000)
Balance, end of period, net of tax		623	(38)
Unrealized Appreciation (Depreciation) of All Other Investments
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance, beginning of period, net of tax	8,099	2,426	7,693
Change in unrealized appreciation (depreciation) of investments	9,624	13,333	(8,688)
Change in deferred policy acquisition costs adjustment and other	(1,327)	(1,871)	1,300
Change in future policy benefits	2,408	(4,462)	1,711
Change in deferred tax asset (liability)	(2,351)	(1,311)	702
Other comprehensive income (loss)	8,354	5,689	(4,975)
Noncontrolling interests	(17)	16	7
Balance, end of period, net of tax	17,093	8,099	2,426
Unrealized Appreciation (Depreciation) of All Other Investments | Cumulative effect of change in accounting principle
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance, beginning of period, net of tax		(285)
Balance, end of period, net of tax			(285)
Unrealized Appreciation (Depreciation) of All Other Investments | Adjusted balance
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance, beginning of period, net of tax	8,722
Balance, end of period, net of tax		8,722
Foreign Currency Translation Adjustments
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance, beginning of period, net of tax	(2,625)	(2,725)	(2,090)
Changes in foreign currency translation adjustments	303	135	(314)
Change in deferred tax asset (liability)	56	(31)	(35)
Other comprehensive income (loss)	359	104	(349)
Noncontrolling interests	1	4	2
Balance, end of period, net of tax	(2,267)	(2,625)	(2,725)
Foreign Currency Translation Adjustments | Cumulative effect of change in accounting principle
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance, beginning of period, net of tax		(284)
Balance, end of period, net of tax			(284)
Retirement Plan Liabilities Adjustment
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance, beginning of period, net of tax	(1,122)	(1,086)	(931)
Change in net actuarial loss	(67)	(58)	(23)
Change in prior service credit	(18)	(2)	(4)
Change in deferred tax asset (liability)	(21)	24	55
Other comprehensive income (loss)	(106)	(36)	28
Balance, end of period, net of tax	(1,228)	(1,122)	(1,086)
Retirement Plan Liabilities Adjustment | Cumulative effect of change in accounting principle
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance, beginning of period, net of tax		(183)
Balance, end of period, net of tax			(183)
Fair Value of Liabilities Under Fair Value Option Attributable to Changes in Own Credit Risk
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance, beginning of period, net of tax	7	10
Change in deferred tax asset (liability)	0	0	0
Change in fair value of liabilities under fair value option attributable to changes in own credit risk	1	(3)	3
Other comprehensive income (loss)	1	(3)	3
Balance, end of period, net of tax	$ 8	7	10
Fair Value of Liabilities Under Fair Value Option Attributable to Changes in Own Credit Risk | Cumulative effect of change in accounting principle
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance, beginning of period, net of tax		$ 7
Balance, end of period, net of tax			$ 7