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Receivables (Tables)
12 Months Ended
Dec. 31, 2024
Financing Receivable, Allowance for Credit Loss [Line Items]  
Rollforward of Allowance for Bad Debts
The table below presents a rollforward of our allowance for credit losses for 2022, 2023 and 2024.
Millions of dollarsBalance at Beginning of PeriodProvision (a)Other (b)Balance at End of Period (c)
Year ended December 31, 2022$754 $$(25)$731 
Year ended December 31, 202373122(11)742
Year ended December 31, 202474217(5)754
(a)Represents increases to allowance for credit losses charged to costs and expenses, net of recoveries.
(b)Includes write-offs, balance sheet reclassifications, and other activity.
(c)
The allowance for credit losses in all years is primarily comprised of a full reserve against accounts receivable with our primary customer in Venezuela.