Receivables (Tables)

12 Months Ended

Dec. 31, 2023

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 2021, 2022 and 2023.

Millions of dollars		Balance at Beginning of Period		Provision (a)		Other (b)		Balance at End of Period (c)
Year ended December 31, 2021		$	824	$	(19)	$	(51)	$	754
Year ended December 31, 2022		754		2		(25)		731
Year ended December 31, 2023		731		22		(11)		742
(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.