Asset Retirement Obligations (Tables)

12 Months Ended

Dec. 31, 2022

Asset Retirement Obligation Disclosure [Abstract]

Schedule of Changes to the Company's Before-tax Asset Retirement Obligation

The following table indicates the changes to the company’s before-tax asset retirement obligations in 2022, 2021 and 2020:

	2022		2021		2020
Balance at January 1	$	12,808	$	13,616	$	12,832
Liabilities assumed in the Noble acquisition	—		—		630
Liabilities incurred	9		31		10
Liabilities settled	(1,281)		(1,887)		(1,661)
Accretion expense	560		616		560
Revisions in estimated cash flows	605		432		1,245
Balance at December 31	$	12,701	$	12,808	$	13,616