Revenue - Disaggregated Revenue (Details) - USD ($) $ in Millions	1 Months Ended	11 Months Ended	12 Months Ended
	Feb. 09, 2021	Dec. 31, 2021	Dec. 31, 2022	Dec. 31, 2020
Total
Disaggregation of Revenue [Line Items]
Revenues	$ 398	$ 4,401	$ 9,892	$ 2,745
Total | Marcellus
Disaggregation of Revenue [Line Items]
Revenues	119	1,370	4,041	631
Total | Haynesville
Disaggregation of Revenue [Line Items]
Revenues	53	998	3,481	362
Total | Eagle Ford
Disaggregation of Revenue [Line Items]
Revenues	193	1,712	2,271	1,428
Total | Powder River Basin
Disaggregation of Revenue [Line Items]
Revenues	33	321	99	231
Total | Mid-Continent
Disaggregation of Revenue [Line Items]
Revenues				93
Natural Gas
Disaggregation of Revenue [Line Items]
Revenues	196	2,622	7,803	1,188
Natural Gas | Marcellus
Disaggregation of Revenue [Line Items]
Revenues	119	1,370	4,041	631
Natural Gas | Haynesville
Disaggregation of Revenue [Line Items]
Revenues	53	998	3,481	362
Natural Gas | Eagle Ford
Disaggregation of Revenue [Line Items]
Revenues	17	179	261	129
Natural Gas | Powder River Basin
Disaggregation of Revenue [Line Items]
Revenues	7	75	20	41
Natural Gas | Mid-Continent
Disaggregation of Revenue [Line Items]
Revenues				25
Oil
Disaggregation of Revenue [Line Items]
Revenues	179	1,556	1,864	1,427
Oil | Marcellus
Disaggregation of Revenue [Line Items]
Revenues	0	0	0	0
Oil | Haynesville
Disaggregation of Revenue [Line Items]
Revenues	0	0	0	0
Oil | Eagle Ford
Disaggregation of Revenue [Line Items]
Revenues	159	1,354	1,798	1,202
Oil | Powder River Basin
Disaggregation of Revenue [Line Items]
Revenues	20	202	66	170
Oil | Mid-Continent
Disaggregation of Revenue [Line Items]
Revenues				55
NGL
Disaggregation of Revenue [Line Items]
Revenues	23	223	225	130
NGL | Marcellus
Disaggregation of Revenue [Line Items]
Revenues	0	0	0	0
NGL | Haynesville
Disaggregation of Revenue [Line Items]
Revenues	0	0	0	0
NGL | Eagle Ford
Disaggregation of Revenue [Line Items]
Revenues	17	179	212	97
NGL | Powder River Basin
Disaggregation of Revenue [Line Items]
Revenues	6	44	13	20
NGL | Mid-Continent
Disaggregation of Revenue [Line Items]
Revenues				13
Marketing
Disaggregation of Revenue [Line Items]
Revenues	239	2,263	4,231	1,869
Marketing | Marketing revenue from contracts with customers
Disaggregation of Revenue [Line Items]
Revenues				1,799
Marketing | Other marketing revenue
Disaggregation of Revenue [Line Items]
Revenues				70
Natural Gas
Disaggregation of Revenue [Line Items]
Revenues	78	908	2,455	497
Natural Gas | Marketing revenue from contracts with customers
Disaggregation of Revenue [Line Items]
Revenues				494
Natural Gas | Other marketing revenue
Disaggregation of Revenue [Line Items]
Revenues				3
Oil
Disaggregation of Revenue [Line Items]
Revenues	141	1,158	1,547	1,262
Oil | Marketing revenue from contracts with customers
Disaggregation of Revenue [Line Items]
Revenues				1,195
Oil | Other marketing revenue
Disaggregation of Revenue [Line Items]
Revenues				67
NGL
Disaggregation of Revenue [Line Items]
Revenues	$ 20	$ 197	$ 229	110
NGL | Marketing revenue from contracts with customers
Disaggregation of Revenue [Line Items]
Revenues				110
NGL | Other marketing revenue
Disaggregation of Revenue [Line Items]
Revenues				$ 0