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Investment gains/losses (Tables)
3 Months Ended
Mar. 31, 2017
Investments, Debt and Equity Securities [Abstract]  
Schedule of investment gains/losses

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

 

     First Quarter  
     2017     2016  

Fixed maturity securities—

    

Gross gains from sales and other disposals

     $      11     $ 19  

Gross losses from sales and other disposals

     (6     (3

Equity securities—

    

Gross gains from sales and redemptions

     425       1,807  

Gross losses from sales and redemptions

     (125     (10

Other

     10       37  
  

 

 

   

 

 

 
     $    315       $  1,850