INVESTMENTS (Details - Increase (decrease) in unrealized appreciation (depreciation)) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Schedule of Available-for-sale Securities [Line Items]
Increase (decrease) in unrealized appreciation (depreciation) of investments	$ (4,994)	$ 833
Unrealized gains and losses recognized during the reporting period on equity securities
Net gains and losses recognized securities during the period on equity securities	161
Less: Net gains and losses recognized during the period on equity securities sold during the period	(9)
Unrealized gains and losses recognized during the reporting period on equity securities still held at the reporting date	170
Fixed maturity securities
Schedule of Available-for-sale Securities [Line Items]
Increase (decrease) in unrealized appreciation (depreciation) of investments	(4,969)	773
Equity securities
Schedule of Available-for-sale Securities [Line Items]
Increase (decrease) in unrealized appreciation (depreciation) of investments	0	114
Unrealized gains and losses recognized during the reporting period on equity securities
Net gains and losses recognized securities during the period on equity securities	(31)
Less: Net gains and losses recognized during the period on equity securities sold during the period	(8)
Unrealized gains and losses recognized during the reporting period on equity securities still held at the reporting date	(23)
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	31
Other investments
Schedule of Available-for-sale Securities [Line Items]
Increase (decrease) in unrealized appreciation (depreciation) of investments	(25)	$ (54)
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	192
Less: Net gains and losses recognized during the period on equity securities sold during the period	(1)
Unrealized gains and losses recognized during the reporting period on equity securities still held at the reporting date	193
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	$ 72