Revenue - Disaggregated Revenue (Details) - USD ($) $ in Millions	1 Months Ended	11 Months Ended	12 Months Ended
	Feb. 09, 2021	Dec. 31, 2021	Dec. 31, 2023	Dec. 31, 2022
Total
Disaggregation of Revenue [Line Items]
Revenues	$ 398	$ 4,401	$ 3,547	$ 9,892
Total | Marcellus
Disaggregation of Revenue [Line Items]
Revenues	119	1,370	1,483	4,041
Total | Haynesville
Disaggregation of Revenue [Line Items]
Revenues	53	998	1,300	3,481
Total | Eagle Ford
Disaggregation of Revenue [Line Items]
Revenues	193	1,712	764	2,271
Total | Powder River Basin
Disaggregation of Revenue [Line Items]
Revenues	33	321		99
Natural Gas
Disaggregation of Revenue [Line Items]
Revenues	196	2,622	2,853	7,803
Natural Gas | Marcellus
Disaggregation of Revenue [Line Items]
Revenues	119	1,370	1,483	4,041
Natural Gas | Haynesville
Disaggregation of Revenue [Line Items]
Revenues	53	998	1,300	3,481
Natural Gas | Eagle Ford
Disaggregation of Revenue [Line Items]
Revenues	17	179	70	261
Natural Gas | Powder River Basin
Disaggregation of Revenue [Line Items]
Revenues	7	75		20
Oil
Disaggregation of Revenue [Line Items]
Revenues	179	1,556	596	1,864
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	596	1,798
Oil | Powder River Basin
Disaggregation of Revenue [Line Items]
Revenues	20	202		66
NGL
Disaggregation of Revenue [Line Items]
Revenues	23	223	98	225
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	98	212
NGL | Powder River Basin
Disaggregation of Revenue [Line Items]
Revenues	6	44		13
Marketing
Disaggregation of Revenue [Line Items]
Revenues	239	2,263	2,500	4,231
Natural Gas
Disaggregation of Revenue [Line Items]
Revenues	78	908	989	2,455
Oil
Disaggregation of Revenue [Line Items]
Revenues	141	1,158	1,332	1,547
NGL
Disaggregation of Revenue [Line Items]
Revenues	$ 20	$ 197	$ 179	$ 229