Exploratory Well and Project Costs (Tables)

3 Months Ended

Mar. 31, 2023

Schedule of capitalized exploratory well costs, roll forward

The changes in capitalized exploratory well and project costs are as follows:


	Three Months Ended March 31, 2023

	(in millions)
Beginning capitalized exploratory well and project costs	$	834
Additions to exploratory well and project costs pending the determination of proved reserves	1,071

Reclassifications due to determination of proved reserves	(878)


Ending capitalized exploratory well and project costs	$	1,027

Schedule of capitalized exploratory costs and the number of projects for which exploratory costs have been capitalized

Aging of capitalized exploratory costs and the number of projects for which exploratory well costs have been capitalized for a period of one year or less or more than one year, based on the date drilling was completed, are as follows:


	As of March 31, 2023		As of December 31, 2022


	(in millions, except well counts)
One year or less	$	1,027	$	834
More than one year	—		—
	$	1,027	$	834
Number of projects with exploratory well costs that have been suspended for a period greater than one year	—		—