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Asset Impairments and Unusual Items (Tables)
12 Months Ended
Dec. 31, 2020
Asset Impairments and Unusual Items  
Summary of the major components of (gain) loss from divestitures, asset impairments and unusual items, net

The following table summarizes the major components of (gain) loss from divestitures, asset impairments and unusual items, net for the year ended December 31 (in millions):

    

2020

    

2019

    

2018

Gain from divestitures, net

$

(33)

$

$

(96)

Asset impairments

 

68

 

42

 

38

$

35

$

42

$

(58)