Revenue - Disaggregated Revenue (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Total
Disaggregation of Revenue [Line Items]
Revenues	$ 2,969	$ 3,547	$ 9,892
Total | Haynesville
Disaggregation of Revenue [Line Items]
Revenues	1,205	1,300	3,481
Total | Northeast Appalachia
Disaggregation of Revenue [Line Items]
Revenues	1,242	1,483	4,041
Total | Southwest Appalachia
Disaggregation of Revenue [Line Items]
Revenues	522
Total | Eagle Ford
Disaggregation of Revenue [Line Items]
Revenues		764	2,271
Total | Powder River Basin
Disaggregation of Revenue [Line Items]
Revenues			99
Natural Gas
Disaggregation of Revenue [Line Items]
Revenues	2,686	2,853	7,803
Natural Gas | Haynesville
Disaggregation of Revenue [Line Items]
Revenues	1,205	1,300	3,481
Natural Gas | Northeast Appalachia
Disaggregation of Revenue [Line Items]
Revenues	1,242	1,483	4,041
Natural Gas | Southwest Appalachia
Disaggregation of Revenue [Line Items]
Revenues	239
Natural Gas | Eagle Ford
Disaggregation of Revenue [Line Items]
Revenues		70	261
Natural Gas | Powder River Basin
Disaggregation of Revenue [Line Items]
Revenues			20
Oil
Disaggregation of Revenue [Line Items]
Revenues	69	596	1,864
Oil | Haynesville
Disaggregation of Revenue [Line Items]
Revenues	0	0	0
Oil | Northeast Appalachia
Disaggregation of Revenue [Line Items]
Revenues	0	0	0
Oil | Southwest Appalachia
Disaggregation of Revenue [Line Items]
Revenues	69
Oil | Eagle Ford
Disaggregation of Revenue [Line Items]
Revenues		596	1,798
Oil | Powder River Basin
Disaggregation of Revenue [Line Items]
Revenues			66
NGL
Disaggregation of Revenue [Line Items]
Revenues	214	98	225
NGL | Haynesville
Disaggregation of Revenue [Line Items]
Revenues	0	0	0
NGL | Northeast Appalachia
Disaggregation of Revenue [Line Items]
Revenues	0	0	0
NGL | Southwest Appalachia
Disaggregation of Revenue [Line Items]
Revenues	214
NGL | Eagle Ford
Disaggregation of Revenue [Line Items]
Revenues		98	212
NGL | Powder River Basin
Disaggregation of Revenue [Line Items]
Revenues			13
Marketing
Disaggregation of Revenue [Line Items]
Revenues	1,290	2,500	4,231
Natural Gas
Disaggregation of Revenue [Line Items]
Revenues	1,095	989	2,455
Oil
Disaggregation of Revenue [Line Items]
Revenues	116	1,332	1,547
NGL
Disaggregation of Revenue [Line Items]
Revenues	$ 79	$ 179	$ 229