Segment Information - Financial Information by Major Geographic Area (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Segment Reporting Information [Line Items]
Sales and other operating revenues	$ 11,324,000	$ 7,473,000	$ 4,667,000
Property, Plant and Equipment— Net	15,098,000	14,182,000
Exploration and Production
Segment Reporting Information [Line Items]
Sales and other operating revenues	11,324,000	7,473,000	4,667,000
Property, Plant and Equipment— Net	6,764,000	6,596,000
Midstream
Segment Reporting Information [Line Items]
Sales and other operating revenues	0	0	0
Operating Segments | Exploration and Production
Segment Reporting Information [Line Items]
Sales and other operating revenues	11,324,000	7,473,000	4,667,000
Operating Segments | Midstream
Segment Reporting Information [Line Items]
Sales and other operating revenues	1,273,000	1,204,000	1,092,000
Corporate, Interest and Other
Segment Reporting Information [Line Items]
Sales and other operating revenues	0	0	0
Property, Plant and Equipment— Net	8,000	10,000
United States | Operating Segments
Segment Reporting Information [Line Items]
Sales and other operating revenues	7,214,000	5,378,000	3,604,000
Property, Plant and Equipment— Net	9,937,000	9,721,000
United States | Operating Segments | Exploration and Production
Segment Reporting Information [Line Items]
Sales and other operating revenues	7,214,000	5,378,000	3,604,000
Guyana | Operating Segments
Segment Reporting Information [Line Items]
Sales and other operating revenues	2,636,000	754,000	350,000
Property, Plant and Equipment— Net	4,042,000	3,064,000
Guyana | Operating Segments | Exploration and Production
Segment Reporting Information [Line Items]
Sales and other operating revenues	2,636,000	754,000	350,000
Malaysia and JDA | Operating Segments
Segment Reporting Information [Line Items]
Sales and other operating revenues	873,000	738,000	511,000
Property, Plant and Equipment— Net	1,065,000	1,035,000
Malaysia and JDA | Operating Segments | Exploration and Production
Segment Reporting Information [Line Items]
Sales and other operating revenues	873,000	738,000	511,000
Other | Operating Segments
Segment Reporting Information [Line Items]
Sales and other operating revenues	601,000	603,000	202,000
Property, Plant and Equipment— Net	46,000	352,000
Other | Operating Segments | Exploration and Production
Segment Reporting Information [Line Items]
Sales and other operating revenues	$ 601,000	$ 603,000	$ 202,000