Fair Value Measurements (Tables)

6 Months Ended

Jun. 30, 2023

Fair Value Disclosures [Abstract]

Schedule of Fair Value Assets and Liabilities Measured on Recurring Basis

The following table provides fair value measurement information within the fair value hierarchy for certain of EOG's financial assets and liabilities carried at fair value on a recurring basis at June 30, 2023 and December 31, 2022 (in millions):

	Fair Value Measurements Using:
	Quoted Prices in Active Markets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total
At June 30, 2023
Financial Assets:
Natural Gas Basis Swaps	$	—	$	7	$	—	$	7
Financial Liabilities:
Natural Gas Swaps	—		303		—		303
At December 31, 2022
Financial Assets:
Natural Gas Basis Swaps	$	—	$	29	$	—	$	29
Financial Liabilities:
Natural Gas Swaps	—		703		—		703
Crude Oil Swaps	—		190		—		190