INVESTMENTS (Details - Increase (decrease) in unrealized appreciation (depreciation)) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Schedule of Available-for-sale Securities [Line Items]
Increase (decrease) in unrealized appreciation (depreciation) of investments	$ (951)	$ 1,078	$ (8,917)	$ 4,257
Unrealized gains and losses recognized during the reporting period on equity securities
Net gains and losses recognized securities during the period on equity securities	170		456
Less: Net gains and losses recognized during the period on equity securities sold during the period	46		79
Unrealized gains and losses recognized during the reporting period on equity securities still held at the reporting date	124		377
Fixed maturity securities
Schedule of Available-for-sale Securities [Line Items]
Increase (decrease) in unrealized appreciation (depreciation) of investments	(920)	1,059	(8,858)	4,332
Equity securities
Schedule of Available-for-sale Securities [Line Items]
Increase (decrease) in unrealized appreciation (depreciation) of investments	0	9	0	52
Unrealized gains and losses recognized during the reporting period on equity securities
Net gains and losses recognized securities during the period on equity securities	(13)		(41)
Less: Net gains and losses recognized during the period on equity securities sold during the period	28		34
Unrealized gains and losses recognized during the reporting period on equity securities still held at the reporting date	(41)		(75)
Other investments
Schedule of Available-for-sale Securities [Line Items]
Increase (decrease) in unrealized appreciation (depreciation) of investments	(31)	$ 10	(59)	$ (127)
Other invested assets
Unrealized gains and losses recognized during the reporting period on equity securities
Net gains and losses recognized securities during the period on equity securities	183		497
Less: Net gains and losses recognized during the period on equity securities sold during the period	18		45
Unrealized gains and losses recognized during the reporting period on equity securities still held at the reporting date	$ 165		$ 452

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