Property, Plant and Equipment - Narrative (Details) - USD ($)	1 Months Ended			3 Months Ended	12 Months Ended
	Aug. 31, 2022	Jun. 30, 2022	Mar. 31, 2021	Sep. 30, 2022	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Sep. 30, 2021	Dec. 31, 2019
Property, Plant and Equipment [Line Items]
Impairment of assets					$ 0	$ 196,296,000	$ 1,206,284,000
Proceeds from sale of oil and gas property and equipment			$ 267,700,000
Impairment of assets					0	196,296,000	1,206,284,000
Total capitalized exploratory well costs					171,860,000	179,481,000	181,616,000		$ 217,326,000
Exploratory well costs capitalized more than one year					156,300,000
Vietnam
Property, Plant and Equipment [Line Items]
Exploratory well costs capitalized more than one year					96,300,000
U.S.
Property, Plant and Equipment [Line Items]
Impairment of assets					0	0	1,152,515,000
Exploratory well costs capitalized more than one year					37,100,000
MEXICO
Property, Plant and Equipment [Line Items]
Exploratory well costs capitalized more than one year					15,500,000
Canada
Property, Plant and Equipment [Line Items]
Impairment of assets					0	171,296,000	$ 0
Exploratory well costs capitalized more than one year					4,700,000
Brunei
Property, Plant and Equipment [Line Items]
Exploratory well costs capitalized more than one year					$ 2,700,000
Terra Nova
Property, Plant and Equipment [Line Items]
Impairment of assets						171,300,000
Additional percentage acquired through commercial settlement					7.525%			7.525%
Impairment of long-lived assets to be disposed of						$ 25,000,000
Lucius Field
Property, Plant and Equipment [Line Items]
Percentage of field acquired	3.37%
Consideration transferred	$ 78,500,000
Kodak Field
Property, Plant and Equipment [Line Items]
Percentage of field acquired		11.00%
Consideration transferred		$ 50,000,000
Discontinued Operations, Disposed of by Sale | Thunder Hawk field
Property, Plant and Equipment [Line Items]
Percentage of ownership sold				62.50%
Cash received from divestiture				$ 20,000,000
Closing adjustment				23,100,000
Net payment				3,100,000
Gain on sale				17,900,000
Discontinued Operations, Disposed of by Sale | Thunder Hawk field | Buyer
Property, Plant and Equipment [Line Items]
Impairment of assets				47,900,000
Discontinued Operations, Disposed of by Sale | CA-2 Asset
Property, Plant and Equipment [Line Items]
Gain on sale				0
Contingent consideration value				$ 8,700,000