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Impairments and Other Charges (Tables)
 9 Months Ended
Sep. 30, 2022
Restructuring and Related Activities [Abstract]  
Impairments and Other Charges
The following table presents various pre-tax charges we recorded during the three months ended September 30, 2021 and the nine months ended September 30, 2022 and 2021, respectively, which are reflected within "Impairments and other charges" on our condensed consolidated statements of operations.

Three Months Ended
September 30		Nine Months Ended
September 30
Millions of dollars202120222021
Catch-up depreciation$36 $— $36 
Severance costs15 — 15 
Receivables— 202 — 
Property, plant, and equipment, net— 100 — 
Inventory— 70 — 
Gain on real estate transaction(74)— (74)
Other35 (6)35 
Total impairments and other charges$12 $366 $12