INVESTMENTS (Details - Increase (decrease) in unrealized appreciation (depreciation)) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Schedule of Available-for-sale Securities [Line Items]
Increase (decrease) in unrealized appreciation (depreciation) of investments	$ (2,972)	$ 2,346	$ (7,966)	$ 3,179
Unrealized gains and losses recognized during the reporting period on equity securities
Net gains and losses recognized securities during the period on equity securities	125		286
Less: Net gains and losses recognized during the period on equity securities sold during the period	42		33
Unrealized gains and losses recognized during the reporting period on equity securities still held at the reporting date	83		253
Fixed maturity securities
Schedule of Available-for-sale Securities [Line Items]
Increase (decrease) in unrealized appreciation (depreciation) of investments	(2,969)	2,500	(7,938)	3,273
Equity securities
Schedule of Available-for-sale Securities [Line Items]
Increase (decrease) in unrealized appreciation (depreciation) of investments	0	(71)	0	43
Unrealized gains and losses recognized during the reporting period on equity securities
Net gains and losses recognized securities during the period on equity securities	3		(28)
Less: Net gains and losses recognized during the period on equity securities sold during the period	14		6
Unrealized gains and losses recognized during the reporting period on equity securities still held at the reporting date	(11)		(34)
Equity securities | Accounting Standards Update - Recognition and Measurement of Financial Assets and Financial Liabilities
Unrealized gains and losses recognized during the reporting period on equity securities
Unrealized gains and losses recognized during the reporting period on equity securities still held at the reporting date			0
Other investments
Schedule of Available-for-sale Securities [Line Items]
Increase (decrease) in unrealized appreciation (depreciation) of investments	(3)	$ (83)	(28)	$ (137)
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	122		314
Less: Net gains and losses recognized during the period on equity securities sold during the period	28		27
Unrealized gains and losses recognized during the reporting period on equity securities still held at the reporting date	$ 94		287
Other invested assets | Accounting Standards Update - Recognition and Measurement of Financial Assets and Financial Liabilities
Unrealized gains and losses recognized during the reporting period on equity securities
Unrealized gains and losses recognized during the reporting period on equity securities still held at the reporting date			$ 0