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Investment gains/losses (Tables)
9 Months Ended
Sep. 30, 2017
Investments, Debt and Equity Securities [Abstract]  
Schedule of investment gains/losses

Investment gains/losses included in earnings are summarized below (in millions).

 

     Third Quarter     First Nine Months  
     2017     2016     2017     2016  

Fixed maturity securities—

        

Gross gains

     $ 56       $ 5       $ 82       $ 44  

Gross losses

     (2     (24     (16     (41

Equity securities—

        

Gross gains

     1,011       3,173       1,795       5,720  

Gross losses

     (419     (13     (626     (76

Other-than-temporary impairment losses

                       (63

Other

     11     9     27     59
  

 

 

   

 

 

   

 

 

   

 

 

 
     $ 657       $ 3,150       $ 1,262       $ 5,643