Segment Reporting (Details) $ in Millions	12 Months Ended
	Dec. 31, 2025 USD ($) reportable_business_segments	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)
Segment Reporting, Asset Reconciling Item [Line Items]
Total operating revenues and other income	$ 3,154	$ 2,690	$ 2,374
Oil, gas, and NGL production expense	(885)	(637)	(564)
Depletion, depreciation, and amortization	(1,207)	(809)	(690)
Exploration	(57)	(64)	(59)
General and administrative	(161)	(138)	(121)
Net derivative gain	178	50	68
Other operating expense, net	(22)	(16)	(21)
Interest expense	(173)	(141)	(92)
Interest income	3	32	20
Other non-operating expense	0	(1)	(1)
Income tax expense	(182)	(196)	(96)
Net income	$ 648	770	818
Segment Reporting, Disclosure of Entity's Reportable Segments [Abstract]
Segment Reporting, Factors Used to Identify Entity's Reportable Segments	The Company’s operations are all related to the exploration, development, and production of oil, gas, and NGLs in the United States, from which the Company derives all of its revenue. The nature of the production process, the types of purchasers, and the regulatory environment under which the Company operates are consistent across the Company. Additionally, for financial reporting purposes related to oil and gas extraction activities, the United States is considered to be one geographic area. As a result of these factors, the Company has one reportable segment
Segment Reporting Information, Description of Products and Services	exploration, development, and production of oil, gas, and NGLs
Number of Reportable Segments | reportable_business_segments	1
Segment Reporting, CODM, Individual Title and Position or Group Name [Extensible Enumeration]	Chief Executive Officer [Member], President [Member]
Segment Reporting, CODM, Profit (Loss) Measure, How Used, Description	The CODM uses net income as presented on the accompanying statements of operations to measure E&P Segment profit or loss, and to evaluate income generated from E&P Segment assets in deciding whether to reinvest profits into operational activities or to use profits for other purposes, such as debt reduction, acquisitions, or the Company’s Stock Repurchase Program. Additionally, net income is used in assessing budget versus actual results and in benchmarking to the Company’s competitors.
E&P Segment
Segment Reporting, Asset Reconciling Item [Line Items]
Total operating revenues and other income	$ 3,154	2,690	2,374
Depletion, depreciation, and amortization	1,207	809	690
Exploration	57	64	59
General and administrative	161	138	121
Net derivative gain	(178)	(50)	(68)
Other operating expense, net	22	16	21
Interest expense	173	141	92
Interest income	(3)	(32)	(20)
Other non-operating expense	0	1	1
Income tax expense	182	196	96
Net income	648	770	818
E&P Segment | Lease operating expense
Segment Reporting, Asset Reconciling Item [Line Items]
Oil, gas, and NGL production expense	431	319	285
E&P Segment | Transportation costs
Segment Reporting, Asset Reconciling Item [Line Items]
Oil, gas, and NGL production expense	292	167	136
E&P Segment | Production expense
Segment Reporting, Asset Reconciling Item [Line Items]
Oil, gas, and NGL production expense	127	116	105
E&P Segment | Ad Valorem Tax
Segment Reporting, Asset Reconciling Item [Line Items]
Oil, gas, and NGL production expense	$ 35	$ 35	$ 37