Fair Value Measurements (Tables)

6 Months Ended

Jun. 30, 2011

Notes To Financial Statements [Abstract]

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, 2011 and December 31, 2010 (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, 2011
Financial Assets:
	Crude Oil and Natural Gas Price Swaps	$	-	$	73	$	-	$	73
	Natural Gas Swaptions		-		57		-		57
Financial Liabilities:
	Foreign Currency Rate Swap	$	-	$	62	$	-	$	62
	Interest Rate Swap		-		2		-		2
At December 31, 2010
Financial Assets:
	Natural Gas Price Swaps	$	-	$	62	$	-	$	62
	Natural Gas Swaptions		-		6		-		6
	Interest Rate Swap		-		2		-		2
Financial Liabilities:
	Crude Oil Price Swaps and Natural Gas Basis Swaps	$	-	$	29	$	-	$	29
	Foreign Currency Rate Swap		-		55		-		55