Revenue - Disaggregated Revenue (Details) - USD ($) $ in Millions	1 Months Ended	3 Months Ended		8 Months Ended	9 Months Ended
	Feb. 09, 2021	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2021	Sep. 30, 2022
Total
Disaggregation of Revenue [Line Items]
Revenue	$ 398	$ 2,987	$ 1,170	$ 2,615	$ 7,691
Total | Marcellus
Disaggregation of Revenue [Line Items]
Revenue	119	1,324	383	772	3,085
Total | Haynesville
Disaggregation of Revenue [Line Items]
Revenue	53	1,093	207	401	2,733
Total | Eagle Ford
Disaggregation of Revenue [Line Items]
Revenue	193	570	487	1,217	1,774
Total | Powder River Basin
Disaggregation of Revenue [Line Items]
Revenue	33		93	225	99
Natural Gas
Disaggregation of Revenue [Line Items]
Revenue	196	2,496	664	1,351	6,049
Natural Gas | Marcellus
Disaggregation of Revenue [Line Items]
Revenue	119	1,324	383	772	3,085
Natural Gas | Haynesville
Disaggregation of Revenue [Line Items]
Revenue	53	1,093	207	401	2,733
Natural Gas | Eagle Ford
Disaggregation of Revenue [Line Items]
Revenue	17	79	53	127	211
Natural Gas | Powder River Basin
Disaggregation of Revenue [Line Items]
Revenue	7		21	51	20
Oil
Disaggregation of Revenue [Line Items]
Revenue	179	437	437	1,115	1,456
Oil | Marcellus
Disaggregation of Revenue [Line Items]
Revenue	0	0	0	0	0
Oil | Haynesville
Disaggregation of Revenue [Line Items]
Revenue	0	0	0	0	0
Oil | Eagle Ford
Disaggregation of Revenue [Line Items]
Revenue	159	437	379	971	1,390
Oil | Powder River Basin
Disaggregation of Revenue [Line Items]
Revenue	20		58	144	66
NGL
Disaggregation of Revenue [Line Items]
Revenue	23	54	69	149	186
NGL | Marcellus
Disaggregation of Revenue [Line Items]
Revenue	0	0	0	0	0
NGL | Haynesville
Disaggregation of Revenue [Line Items]
Revenue	0	0	0	0	0
NGL | Eagle Ford
Disaggregation of Revenue [Line Items]
Revenue	17	54	55	119	173
NGL | Powder River Basin
Disaggregation of Revenue [Line Items]
Revenue	6		14	30	13
Marketing
Disaggregation of Revenue [Line Items]
Revenue	239	1,206	627	1,443	3,296
Natural Gas
Disaggregation of Revenue [Line Items]
Revenue	78	827	240	483	1,872
Oil
Disaggregation of Revenue [Line Items]
Revenue	141	328	326	828	1,231
NGL
Disaggregation of Revenue [Line Items]
Revenue	$ 20	$ 51	$ 61	$ 132	$ 193