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Investment gains/losses (Tables)
 6 Months Ended
Jun. 30, 2020
Investments Debt And Equity Securities [Abstract]  
Summary of investment gains and losses

Investment gains/losses in the second quarter and first six months of 2020 and 2019 are summarized as follows (in millions).

 

 

 

Second Quarter

 

 

First Six Months

 

 

 

2020

 

 

2019

 

 

2020

 

 

2019

 

Equity securities:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Unrealized investment gains (losses) on securities

   held at the end of the period

 

$

39,369

 

 

$

9,827

 

 

$

(18,377

)

 

$

29,192

 

Investment gains (losses) on securities sold during the period

 

 

(87

)

 

 

5

 

 

 

(11,233

)

 

 

194

 

 

 

 

39,282

 

 

 

9,832

 

 

 

(29,610

)

 

 

29,386

 

Fixed maturity securities:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Gross realized gains

 

 

25

 

 

 

7

 

 

 

41

 

 

 

12

 

Gross realized losses

 

 

(14

)

 

 

(6

)

 

 

(20

)

 

 

(16

)

Other

 

 

(4

)

 

 

2

 

 

 

(4

)

 

 

5

 

 

 

$

39,289

 

 

$

9,835

 

 

$

(29,593

)

 

$

29,387