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Impairments (Tables)
12 Months Ended
Dec. 31, 2022
Asset Impairment Charges [Abstract]  
Schedule of Before-tax Impairment Charges
During 2022, 2021 and 2020, we recognized the following before-tax impairment charges:
Millions of Dollars
202220212020
Alaska$2 — 
Lower 48(11)(8)804 
Canada(2)
Europe, Middle East and North Africa(1)(24)
Asia Pacific 695 — 
$(12)674 813