Impairments (Tables) |
12 Months Ended |
|---|---|
Dec. 31, 2019 | |
| Impairment Of Long Lived Assets [Abstract] | |
| Impairment Charges By Segment Before Tax | Note 9—Impairments During 2019, 2018 and 2017, we recognized the Millions of Dollars 2019 2018 2017 Alaska $ - 20 180 Lower 48 402 63 3,969 Canada 2 9 22 Europe and North Africa 1 (79) 46 Asia Pacific and Middle East - 14 2,384 $ 405 27 6,601 |