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The amount of clean-up and remediation activities pertaining to the specified contingency that was incurred in the period.

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Amount awarded to other party in judgment or settlement of litigation.

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Amount of loss contingency liability.

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Commitments and Contingencies - Narrative (Details) $ in Millions	1 Months Ended		12 Months Ended			128 Months Ended
	Jan. 31, 2026 USD ($)	Mar. 31, 2025 USD ($) bbl	Dec. 31, 2025 USD ($)	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2025 USD ($)
Line 901 Incident
Loss Contingencies [Line Items]
Aggregate total estimated costs			$ 870.0			$ 870.0
Costs related to the Line 901 incident			0.0	$ 345.0	$ 10.0
Line 901 Incident \| Current liabilities
Loss Contingencies [Line Items]
Remaining undiscounted liability			22.0	$ 5.0		22.0
Line 901 2015 Insurance Program
Loss Contingencies [Line Items]
Recoveries from insurance carriers						295.0
Coverage limit under insurance program			500.0			500.0
Line 48 Incident
Loss Contingencies [Line Items]
Estimated size of release (in bbl) \| bbl		125
Loss contingency, self-insured retention		$ 10.0
Loss contingency, clean-up and remediate aggregate cost		$ 20.0
Loss contingency, clean-up and remediation activities			$ 12.0			$ 12.0
Louisiana Coastal Erosion Lawsuit \| Subsequent Event
Loss Contingencies [Line Items]
Litigation settlement, amount awarded to other party	$ 1.5