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INCOME TAXES (Tables)
9 Months Ended
Sep. 30, 2023
Income Tax Disclosure [Abstract]  
Schedule of Effective Income Tax Rate Reconciliation
The following table summarizes the difference between income tax expense (benefit) at the U.S. statutory rate of 21% and the income tax expense (benefit) at effective worldwide tax rates for the respective periods:
Three Months Ended September 30, Nine Months Ended September 30,
Millions of dollars2023202220232022
Earnings (Loss) before income taxes$172 $200 $267 $295 
Income tax expense (benefit) computed at United States statutory tax rate36 42 56 62 
State and local taxes, net of federal tax benefit(6)(2)(1)14 
Valuation allowances8 12 29 19 
Audit and Settlements29 83 (13)
U.S. foreign income items, net of credits(9)(6)(8)
Non deductible impairments6 — 57 150 
Non deductible fines and penalties — 20 — 
Other22 (7)30 (28)
Income tax expense (benefit) computed at effective worldwide tax rates$86 $53 $268 $196