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INVESTMENTS (Details - Components of Net investment income) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Investment [Line Items]      
Total investment income $ 14,518 $ 14,581 $ 16,596
Investment expenses 453 528 517
Net investment income 14,065 14,053 16,079
Fixed maturity securities, including short-term investments      
Investment [Line Items]      
Total investment income 11,645 11,332 12,322
Equity securities      
Investment [Line Items]      
Total investment income (5) 99 221
Interest on mortgage and other loans      
Investment [Line Items]      
Total investment income 1,526 1,417 1,272
Alternative investments      
Investment [Line Items]      
Total investment income 693 1,120 2,070
Real estate      
Investment [Line Items]      
Total investment income 150 181 110
Other investments      
Investment [Line Items]      
Total investment income $ 509 $ 432 $ 601