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Long-Term Assets - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024	Dec. 31, 2024
Property, Plant, and Equipment
Depreciation and amortization	$ 111.0	$ 75.0	$ 258.0	$ 224.0
Interest costs capitalized	2.0	2.0	7.0	5.0
Loss on asset disposals and project write-offs	4.0	0.0	4.0	1.0
Other long-term assets, net of accumulated amortization	264.0		264.0		$ 124.0
Renewables Segment
Property, Plant, and Equipment
Depreciation	36.0	6.0	48.0	17.0
Accelerated depreciation	31.0
Loss on asset disposals and project write-offs	3.0
Petroleum and Renewables Asset Group | Service Life
Property, Plant, and Equipment
Property, plant and equipment, gross	93.0		93.0
Turnaround Assets
Property, Plant, and Equipment
Depreciation	1.0	1.0	2.0	1.0
Property, Plant and Equipment
Property, Plant, and Equipment
Depreciation and amortization	$ 89.0	$ 63.0	$ 203.0	$ 177.0

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The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

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