Impairments (Tables)

9 Months Ended

Sep. 30, 2021

Impairments [Abstract]

Before-tax impairment charges

Note 6—Impairments 

During the three- and nine-month periods ended September 30, 2021 and 2020, we recognized before -tax

impairment charges within the following segments:

Millions of Dollars

 Three Months Ended

Nine Months Ended

September 30

September 30

2021

2020

2021

2020

Alaska

$

-

-

3

-

Lower 48 

(89)

1

(93)

514

Europe, Middle East and North Africa

-

1

-

7

$

(89)

2

(90)

521