Property, Plant and Equipment - Aging of Capitalized Exploratory Well Costs (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2024 USD ($) well project	Mar. 31, 2023 USD ($) project well	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)
Projects with Exploratory Well Costs Capitalized for More than One Year [Line Items]
Amount | $	$ 34,185	$ 196,545	$ 49,118	$ 171,860
No. of Wells (in wells) | well	7	9
No. of Projects (in projects) | project	6	8
Zero to one year
Projects with Exploratory Well Costs Capitalized for More than One Year [Line Items]
Amount | $	$ 11,641	$ 40,236
No. of Wells (in wells) | well	4	2
No. of Projects (in projects) | project	3	2
One to two years
Projects with Exploratory Well Costs Capitalized for More than One Year [Line Items]
Amount | $	$ 0	$ 13,171
No. of Wells (in wells) | well	0	2
No. of Projects (in projects) | project	0	2
Two to three years
Projects with Exploratory Well Costs Capitalized for More than One Year [Line Items]
Amount | $	$ 0	$ 0
No. of Wells (in wells) | well	0	0
No. of Projects (in projects) | project	0	0
Three years or more
Projects with Exploratory Well Costs Capitalized for More than One Year [Line Items]
Amount | $	$ 22,544	$ 143,138
No. of Wells (in wells) | well	3	5
No. of Projects (in projects) | project	3	4