EQUITY (Details - Reclassification of significant items out of Accumulated other comprehensive income) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Total	$ 124	$ 138	$ 501	$ 342
Income (loss) from continuing operations before income tax benefit	147	(9,661)	4,875	(7,103)
Amount Reclassified from Accumulated Other Comprehensive Income
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Income (loss) from continuing operations before income tax benefit	124	138	501	342
Unrealized appreciation (depreciation) of fixed maturity securities on which allowance for credit losses were taken
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Total	(4)	(3)	(6)	(3)
Unrealized appreciation (depreciation) of fixed maturity securities on which allowance for credit losses were taken | Amount Reclassified from Accumulated Other Comprehensive Income
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Investments	(4)	(3)	(6)	(3)
Total	(4)	(3)	(6)	(3)
Unrealized appreciation (depreciation) of all other investments
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Total	139	152	530	366
Unrealized appreciation (depreciation) of all other investments | Amount Reclassified from Accumulated Other Comprehensive Income
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Investments	139	152	530	366
Total	139	152	530	366
Change in retirement plan liabilities adjustment
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Total	(11)	(11)	(23)	(21)
Change in retirement plan liabilities adjustment | Amount Reclassified from Accumulated Other Comprehensive Income
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Prior-service credit	(1)	(1)	(2)	(1)
Actuarial gains (losses)	(10)	(10)	(21)	(20)
Total	$ (11)	$ (11)	$ (23)	$ (21)