Revenue (Tables)

12 Months Ended

Dec. 31, 2023

Revenue from Contract with Customer [Abstract]

Disaggregation of revenue

The following tables show revenue disaggregated by operating area and product type, for the periods presented:

	Successor
	Year Ended December 31, 2023
	Natural Gas		Oil		NGL		Total
Marcellus	$	1,483	$	—	$	—	$	1,483
Haynesville	1,300		—		—		1,300
Eagle Ford	70		596		98		764
Natural gas, oil and NGL revenue	$	2,853	$	596	$	98	$	3,547
Marketing revenue	$	989	$	1,332	$	179	$	2,500

	Successor
	Year Ended December 31, 2022
	Natural Gas		Oil		NGL		Total
Marcellus	$	4,041	$	—	$	—	$	4,041
Haynesville	3,481		—		—		3,481
Eagle Ford	261		1,798		212		2,271
Powder River Basin	20		66		13		99
Natural gas, oil and NGL revenue	$	7,803	$	1,864	$	225	$	9,892
Marketing revenue	$	2,455	$	1,547	$	229	$	4,231

	Successor
	Period from February 10, 2021 through December 31, 2021
	Natural Gas		Oil		NGL		Total
Marcellus	$	1,370	$	—	$	—	$	1,370
Haynesville	998		—		—		998
Eagle Ford	179		1,354		179		1,712
Powder River Basin	75		202		44		321
Natural gas, oil and NGL revenue	$	2,622	$	1,556	$	223	$	4,401
Marketing revenue	$	908	$	1,158	$	197	$	2,263

	Predecessor
	Period from January 1, 2021 through February 9, 2021
	Natural Gas		Oil		NGL		Total
Marcellus	$	119	$	—	$	—	$	119
Haynesville	53		—		—		53
Eagle Ford	17		159		17		193
Powder River Basin	7		20		6		33
Natural gas, oil and NGL revenue	$	196	$	179	$	23	$	398
Marketing revenue	$	78	$	141	$	20	$	239

Schedule of accounts receivable

Accounts receivable as of December 31, 2023 and 2022 are detailed below:

	Successor
	December 31, 2023		December 31, 2022
Natural gas, oil and NGL sales	$	406	$	1,171
Joint interest	180		246
Other	8		24
Allowance for doubtful accounts	(1)		(3)
Total accounts receivable, net	$	593	$	1,438