XML 58 R43.htm IDEA: XBRL DOCUMENT v3.20.4
Investment gains/losses (Tables)
 12 Months Ended
Dec. 31, 2020
Investments Debt And Equity Securities [Abstract]  
Summary of investment gains and losses

Investment gains/losses for each of the three years ending December 31, 2020 are summarized below (in millions).

 

 

 

2020

 

 

2019

 

 

2018

 

Equity securities:

 

 

 

 

 

 

 

 

 

 

 

 

Change in unrealized investment gains/losses during the year on

   securities held at the end of the period

 

$

54,951

 

 

$

69,581

 

 

$

(22,729

)

Investment gains/losses during the year on securities sold

 

 

(14,036

)

 

 

1,585

 

 

 

291

 

 

 

 

40,915

 

 

 

71,166

 

 

 

(22,438

)

Fixed maturity securities:

 

 

 

 

 

 

 

 

 

 

 

 

Gross realized gains

 

 

56

 

 

 

87

 

 

 

480

 

Gross realized losses

 

 

(27

)

 

 

(25

)

 

 

(227

)

Other

 

 

(39

)

 

 

(105

)

 

 

30

 

 

 

$

40,905

 

 

$

71,123

 

 

$

(22,155

)