Risk Management Activities (Tables)

12 Months Ended

Dec. 31, 2019

Derivatives, Fair Value [Line Items]

Schedule of Derivative Instruments In Statement Of Financial Position, Fair Value

The following table sets forth the amounts and classification of EOG's outstanding derivative financial instruments at December 31, 2019 and 2018, respectively.  Certain amounts may be presented on a net basis on the consolidated financial statements when such amounts are with the same counterparty and subject to a master netting arrangement (in thousands):

		Fair Value at December 31,
Description	Location on Balance Sheet	2019		2018
Asset Derivatives
Crude oil, NGLs and natural gas derivative contracts -
Current portion	Assets from Price Risk Management Activities (1)	$	1,299	$	23,806
Liability Derivatives
Crude oil, NGLs and natural gas derivative contracts -
Current portion	Liabilities from Price Risk Management Activities (2)	$	20,194	$	—

(1) The current portion of Assets from Price Risk Management Activities consists of gross assets of $3 million, partially offset by gross liabilities of $2 million, at December 31, 2019.

(2)

The current portion of Liabilities from Price Risk Management Activities consists of gross liabilities of $23 million, partially offset by gross assets of $3 million at December 31, 2019.

Crude Oil [Member] | Midland Differential Basis Swap [Member]

Derivatives, Fair Value [Line Items]

Schedule of Derivative Instruments

Presented below is a comprehensive summary of EOG's Midland Differential basis swap contracts for the year ended December 31, 2019. The weighted average price differential expressed in dollars per barrel ($/Bbl) represents the amount of reduction to Cushing, Oklahoma, prices for the notional volumes expressed in barrels per day (Bbld) covered by the basis swap contracts.

Midland Differential Basis Swap Contracts
	Volume (Bbld)	Weighted Average Price Differential ($/Bbl)
2019
January 1, 2019 through December 31, 2019 (closed)	20,000	$	1.075

Crude Oil [Member] | Gulf Coast Differential Basis Swap [Member]

Derivatives, Fair Value [Line Items]

Schedule of Derivative Instruments

Presented below is a comprehensive summary of EOG's Gulf Coast Differential basis swap contracts for the year ended December 31, 2019. The weighted average price differential expressed in $/Bbl represents the amount of addition to Cushing, Oklahoma, prices for the notional volumes expressed in Bbld covered by the basis swap contracts.

Gulf Coast Differential Basis Swap Contracts
	Volume (Bbld)	Weighted Average Price Differential ($/Bbl)
2019
January 1, 2019 through December 31, 2019 (closed)	13,000	$	5.572

Crude Oil [Member] | Price Swap [Member]

Derivatives, Fair Value [Line Items]

Schedule of Derivative Instruments

Presented below is a comprehensive summary of EOG's crude oil price swap contracts for the year ended December 31, 2019, with notional volumes expressed in Bbld and prices expressed in $/Bbl.

Crude Oil Price Swap Contracts
	Volume (Bbld)	Weighted Average Price ($/Bbl)
2019
April 2019 (closed)	25,000	$	60.00
May 1, 2019 through December 31, 2019 (closed)	150,000	62.50
2020
January 1, 2020 through March 31, 2020	200,000	$	59.33
April 1, 2020 through June 30, 2020	150,000	59.03
July 1, 2020 through September 30, 2020	50,000	58.32

Mont Belvieu Propane Price Swap [Member] | Price Swap [Member]

Derivatives, Fair Value [Line Items]

Schedule of Derivative Instruments

Presented below is a comprehensive summary of EOG's Mont Belvieu propane (non-TET) price swap contracts for the year ended December 31, 2019, with notional volumes expressed in Bbld and prices expressed in $/Bbl.

Mont Belvieu Propane Price Swap Contracts
	Volume (Bbld)	Weighted Average Price ($/Bbl)
2020
January 1, 2020 through December 31, 2020	4,000	$	21.34

Natural Gas [Member] | Price Swap [Member]

Derivatives, Fair Value [Line Items]

Schedule of Derivative Instruments

Presented below is a comprehensive summary of EOG's natural gas price swap contracts for the year ended December 31, 2019, with notional volumes expressed in million British thermal units (MMBtu) per day (MMBtud) and prices expressed in dollars per MMBtu ($/MMBtu).

Natural Gas Price Swap Contracts
	Volume (MMBtud)	Weighted Average Price ($/MMBtu)
2019
April 1, 2019 through October 31, 2019 (closed)	250,000	$	2.90

Natural Gas [Member] | Rockies Differential Basis Swaps [Member]

Derivatives, Fair Value [Line Items]

Schedule of Derivative Instruments

Presented below is a comprehensive summary of EOG's Rockies Differential basis swap contracts for the year ended December 31, 2019. The weighted average price differential expressed in $/MMBtu represents the amount of reduction to NYMEX Henry Hub prices for the notional volumes expressed in MMBtud covered by the basis swap contracts.

Rockies Differential Basis Swap Contracts
	Volume (MMBtud)	Weighted Average Price Differential  ($/MMBtu)
2020
January 1, 2020 through December 31, 2020	30,000	$	0.55

Natural Gas [Member] | HSC Differential Basis Swaps [Member]

Derivatives, Fair Value [Line Items]

Schedule of Derivative Instruments

Presented below is a comprehensive summary of EOG's HSC Differential basis swap contracts for the year ended December 31, 2019. The weighted average price differential expressed in $/MMBtu represents the amount of reduction to NYMEX Henry Hub prices for the notional volumes expressed in MMBtud covered by the basis swap contracts.

HSC Differential Basis Swap Contracts
	Volume (MMBtud)	Weighted Average Price Differential  ($/MMBtu)
2020
January 1, 2020 through December 31, 2020	60,000	$	0.05

Natural Gas [Member] | Waha Differential Basis Swaps [Member]

Derivatives, Fair Value [Line Items]

Schedule of Derivative Instruments

Presented below is a comprehensive summary of EOG's Waha Differential basis swap contracts for the year ended December 31, 2019. The weighted average price differential expressed in $/MMBtu represents the amount of reduction to NYMEX Henry Hub prices for the notional volumes expressed in MMBtud covered by the basis swap contracts.

Waha Differential Basis Swap Contracts
	Volume (MMBtud)	Weighted Average Price Differential  ($/MMBtu)
2020
January 1, 2020 through December 31, 2020	50,000	$	1.40