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- Definition

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- Definition

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Fair value amount of debt instrument that was repurchased.

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Face (par) amount of the original debt instrument that was repurchased.

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Represents the charge against earnings during the period for commitment fees and debt issuance expenses.

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Long-Term Debt (Details) - USD ($) $ in Millions			1 Months Ended	3 Months Ended
Long-Term Debt (Details) - USD ($) $ in Millions	Mar. 09, 2026	Jan. 30, 2026	May 06, 2026	Mar. 31, 2026	Mar. 31, 2025	Apr. 30, 2026	Apr. 03, 2026	Mar. 19, 2026	Mar. 18, 2026	Mar. 04, 2026	Dec. 31, 2025
Long-Term Debt [Line Items]
Debt Instrument, Covenant Compliance				The Company was in compliance with all financial and non-financial covenants as of March 31, 2026, and through the filing of this report.
Capitalized interest costs				$ 15.0	$ 9.0
Civitas Resources Merger
Long-Term Debt [Line Items]
Senior Notes Assumed - Principal		$ 4,900.0
Assumed Credit Facility Debt Paid		$ 201.0
6.625% Senior Unsecured Notes Due 2034
Long-Term Debt [Line Items]
Debt Related Commitment Fees and Debt Issuance Costs	$ 15.0
Senior Unsecured Notes, Principal amount	$ 1,000.0			1,000.0							$ 0.0
8.375% Senior Unsecured Notes Due 2028
Long-Term Debt [Line Items]
Tender Offer to Repurchase Senior Notes									$ 1,000.0	$ 750.0
Senior Notes, repurchased principal amount								$ 784.0
Debt Instrument, Repurchase Amount								$ 808.0
Senior Unsecured Notes, Principal amount				566.0						$ 1,350.0	$ 0.0
8.375% Senior Unsecured Notes Due 2028 \| Premium Paid to Repurchase Senior Notes
Long-Term Debt [Line Items]
Loss on extinguishment of debt				$ (3.0)
Subsequent Event
Long-Term Debt [Line Items]
Debt Instrument, Covenant Compliance			The Company was in compliance with all financial and non-financial covenants as of March 31, 2026, and through the filing of this report.
Subsequent Event \| 8.375% Senior Unsecured Notes Due 2028
Long-Term Debt [Line Items]
Senior Notes, repurchased principal amount							$ 110.0
Debt Instrument, Repurchase Amount							$ 114.0
Subsequent Event \| 6.75% Senior Unsecured Notes Due 2026 And 5.000% Senior Unsecured Notes Due 2026
Long-Term Debt [Line Items]
Senior Unsecured Notes, Principal amount						$ 819.0