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INVESTMENTS (Details - Increase (decrease) in unrealized appreciation (depreciation)) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Increase (decrase) in unrealized appreciation (depreciation) of investments      
Change in unrealized appreciation (depreciation) of investments $ (10,008) $ 4,062 $ 605
Unrealized gains and losses recognized during the reporting period on equity securities      
Net gains and losses recognized during the period on equity securities 158    
Less: Net gains and losses recognized durint the year on equity securities sold during the year 79    
Unrealized gains and losses recognized during the reporting period on equity securities still held at the reporting date 79    
Equity securities      
Unrealized gains and losses recognized during the reporting period on equity securities      
Net gains and losses recognized during the period on equity securities (184)    
Less: Net gains and losses recognized durint the year on equity securities sold during the year 56    
Unrealized gains and losses recognized during the reporting period on equity securities still held at the reporting date (240)    
Other invested assets      
Unrealized gains and losses recognized during the reporting period on equity securities      
Net gains and losses recognized during the period on equity securities 342    
Less: Net gains and losses recognized durint the year on equity securities sold during the year 23    
Unrealized gains and losses recognized during the reporting period on equity securities still held at the reporting date 319    
Fixed maturity securities      
Increase (decrase) in unrealized appreciation (depreciation) of investments      
Change in unrealized appreciation (depreciation) of investments (9,920) 4,235  
Equity securities      
Increase (decrase) in unrealized appreciation (depreciation) of investments      
Change in unrealized appreciation (depreciation) of investments 0 22  
Other investments      
Increase (decrase) in unrealized appreciation (depreciation) of investments      
Change in unrealized appreciation (depreciation) of investments $ (88) $ (195)