EQUITY (Details - Reclassification of significant items out of Accumulated other comprehensive income) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Total	$ 138	$ 77	$ 342	$ 41
Income (loss) from continuing operations before income tax expense (benefit)	(9,661)	1,837	(7,103)	2,991
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 expense (benefit)	138	77	342	41
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	(3)		(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	(3)	0	(3)	0
Total	(3)	0	(3)	0
Unrealized appreciation (depreciation) of fixed maturity securities on which other-than-temporary credit impairments were taken
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Total		(4)		(4)
Unrealized appreciation (depreciation) of fixed maturity securities on which other-than-temporary credit impairments were taken | Amount Reclassified from Accumulated Other Comprehensive Income
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Investments	0	(4)	0	(4)
Total	0	(4)	0	(4)
Unrealized appreciation (depreciation) of all other investments
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Total	152	91	366	60
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	152	91	366	60
Total	152	91	366	60
Change in retirement plan liabilities adjustment
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Total	(11)	(10)	(21)	(15)
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)	0	(1)	0
Actuarial gains (losses)	(10)	(10)	(20)	(15)
Total	$ (11)	$ (10)	$ (21)	$ (15)