Property, Plant And Equipment - Aging of Capitalized Exploratory Well Costs (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2022 USD ($) project well	Dec. 31, 2021 USD ($) project well	Dec. 31, 2020 USD ($) project well	Dec. 31, 2019 USD ($)
Projects with Exploratory Well Costs Capitalized for More than One Year [Line Items]
Amount | $	$ 171,860	$ 179,481	$ 181,616	$ 217,326
No. of wells (in wells) | well	9	14	11
No. of projects (in projects) | project	8	8	5
Zero to one year
Projects with Exploratory Well Costs Capitalized for More than One Year [Line Items]
Amount | $	$ 15,527	$ 13,273	$ 0
No. of wells (in wells) | well	2	3	0
No. of projects (in projects) | project	2	3	0
One to two years
Projects with Exploratory Well Costs Capitalized for More than One Year [Line Items]
Amount | $	$ 13,307	$ 0	$ 54,220
No. of wells (in wells) | well	2	0	5
No. of projects (in projects) | project	2	0	5
Two to three years
Projects with Exploratory Well Costs Capitalized for More than One Year [Line Items]
Amount | $	$ 0	$ 53,070	$ 0
No. of wells (in wells) | well	0	5	0
No. of projects (in projects) | project	0	5	0
Three years or more
Projects with Exploratory Well Costs Capitalized for More than One Year [Line Items]
Amount | $	$ 143,026	$ 113,138	$ 127,396
No. of wells (in wells) | well	5	6	6
No. of projects (in projects) | project	4	0	0