Oil and Gas Exploration and Production Industries Disclosures, Average Sales Price (Details) - $ / bbl		12 Months Ended
		Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Average Sales Price and Production Costs Per Unit of Production [Line Items]
Production costs per barrel of oil equivalent		3.67	3.72	4.54
United States
Average Sales Price and Production Costs Per Unit of Production [Line Items]
Production costs per barrel of oil equivalent		3.71	3.75	4.59
Trinidad
Average Sales Price and Production Costs Per Unit of Production [Line Items]
Production costs per barrel of oil equivalent		2.32	2.33	1.85
Other International
Average Sales Price and Production Costs Per Unit of Production [Line Items]
Production costs per barrel of oil equivalent	[1]	16.13	6.78	18.26

[1] Other International primarily consists of EOG's China and Canada operations. The China operations were sold in the second quarter of 2021.