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INVESTMENTS (Details - Carrying values of other invested assets) - USD ($)
$ in Millions
12 Months Ended 72 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2024
Dec. 31, 2016
Dec. 31, 2015
Investment [Line Items]          
Other invested assets       $ 24,538 $ 29,794
Other invested assets, gross unrealized losses       32 33
Hedge Funds          
Investment [Line Items]          
Hedge Fund Fair Value Redemption, Additional Percentage 15.00% 72.00% 7.00%    
Alternative investments          
Investment [Line Items]          
Other invested assets       13,379 18,150
Alternative investments | Hedge Funds          
Investment [Line Items]          
Other invested assets       7,200 10,900
Alternative investments | Private equity funds          
Investment [Line Items]          
Other invested assets       5,500 6,500
Alternative investments | Affordable Housing Partnerships          
Investment [Line Items]          
Other invested assets       625 701
Mutual Funds          
Investment [Line Items]          
Other invested assets         0
Investment real estate          
Investment [Line Items]          
Other invested assets       6,900 6,579
Net of accumulated depreciation on investment in real estate       451 668
Aircraft asset investments          
Investment [Line Items]          
Other invested assets       321 477
Investment In Aer Cap [Member]          
Investment [Line Items]          
Other invested assets       0 0
Investments in life settlements          
Investment [Line Items]          
Other invested assets       2,516 3,606
All other investments          
Investment [Line Items]          
Other invested assets       $ 1,422 $ 982