INVESTMENTS (Details - Schedule of increase (decrease) in unrealized appreciation (depreciation) of available for sale securities and other investments) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Increase (decrease) in unrealized appreciation (depreciation) of investments
Net gains and losses recognized during the year on equity securities	$ 1,032	$ 903
Less: Net gains and losses recognized during the year on equity securities sold during the year	23	198
Unrealized gains and losses recognized during the reporting period on equity securities still held at the reporting date	1,009	705
Change in unrealized appreciation (depreciation) of investments	9,491	14,175	$ (10,008)
Fixed maturity securities
Increase (decrease) in unrealized appreciation (depreciation) of investments
Change in unrealized appreciation (depreciation) of investments	9,489	14,245
Equity securities
Increase (decrease) in unrealized appreciation (depreciation) of investments
Net gains and losses recognized during the year on equity securities	200	159
Less: Net gains and losses recognized during the year on equity securities sold during the year	(23)	39
Unrealized gains and losses recognized during the reporting period on equity securities still held at the reporting date	223	120
Other investments
Increase (decrease) in unrealized appreciation (depreciation) of investments
Change in unrealized appreciation (depreciation) of investments	2	(70)
Other invested assets
Increase (decrease) in unrealized appreciation (depreciation) of investments
Net gains and losses recognized during the year on equity securities	832	744
Less: Net gains and losses recognized during the year on equity securities sold during the year	46	159
Unrealized gains and losses recognized during the reporting period on equity securities still held at the reporting date	$ 786	$ 585