Accounting for Suspended Exploratory Wells (Tables)

12 Months Ended

Dec. 31, 2024

Accounting for Suspended Exploratory Wells [Abstract]

Schedule of Changes in Company's Suspended Exploratory Well Costs

The following table indicates the changes to the company’s suspended exploratory well costs for the three years ended December 31, 2024:


	2024		2023		2022
Beginning balance at January 1	$	1,648	$	1,627	$	2,109
Additions to capitalized exploratory well costs pending the determination of proved reserves	14		88		72
Reclassifications to wells, facilities and equipment based on the determination of proved reserves	—		—		(481)
Capitalized exploratory well costs charged to expense	—		(67)		(73)
Ending balance at December 31	$	1,662	$	1,648	$	1,627

Schedule of Aging of Capitalized Well Costs and Number of Project

The following table provides an aging of capitalized well costs and the number of projects for which exploratory well costs have been capitalized for a period greater than one year since the completion of drilling:


	At December 31
	2024		2023		2022
Exploratory well costs capitalized for a period of one year or less	$	17	$	78	$	73
Exploratory well costs capitalized for a period greater than one year	1,645		1,570		1,554
Balance at December 31	$	1,662	$	1,648	$	1,627
Number of projects with exploratory well costs that have been capitalized for a period greater than one year*	14		13		12

*Certain projects have multiple wells or fields or both.

Schedule of Aging of Costs on Well and Project Basis

The $1,645 of suspended well costs capitalized for a period greater than one year as of December 31, 2024, represents 75 exploratory wells in 14 projects. The tables below contain the aging of these costs on a well and project basis:


Aging based on drilling completion date of individual wells:	Amount		Number of wells
2000-2009	$	263	14
2010-2014	1,122		49
2015-2023	260		12
Total	$	1,645	75

Aging based on drilling completion date of last suspended well in project:	Amount		Number of projects
2008-2012	$	292	2
2013-2016	1,082		6
2017-2024	271		6
Total	$	1,645	14