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Risk Management Activities (Tables) | 9 Months Ended
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Sep. 30, 2025
Derivative Instruments and Hedging Activities Disclosure [Abstract] |
Schedule of Derivative Instruments | Presented below is a comprehensive summary of EOG's financial commodity derivative contracts settled during the nine-month period ended September 30, 2025 (closed) and outstanding as of September 30, 2025 (inclusive of the contracts assumed, via novation, from Encino). Natural gas volumes are presented in million British thermal units per day (MMBtud) and prices are presented in dollars per million British Thermal Units ($/MMBtu). NGL volumes are presented in thousand barrels per day (MBbld) and prices are presented in dollars per barrel ($/Bbl).
Natural Gas Financial Price Swap Contracts
|  |  |  | Contracts Sold
Period |  | Settlement Index |  | Volume (MMBtud in thousands) |  | Weighted Average Price ($/MMBtu)
February - July 2025 (closed) |  | NYMEX Henry Hub |  | 725 |  |  | $ | 3.07 |
August - October 2025 (closed) |  | NYMEX Henry Hub |  | 1,225 |  |  | 3.32 |
November - December 2025 |  | NYMEX Henry Hub |  | 1,225 |  |  | 3.32 |
January - June 2026 |  | NYMEX Henry Hub |  | 460 |  |  | 3.78 |
July - December 2026 |  | NYMEX Henry Hub |  | 450 |  |  | 3.79 |
Natural Gas Basis Swap Contracts
|  |  |  | Contracts Sold
Period |  | Settlement Index |  | Volume (MMBtud in thousands) |  | Weighted Average Price Differential ($/MMBtu)
January - September 2025 (closed) |  | NYMEX Henry Hub Houston Ship Channel (HSC) Differential (1) |  | 10 |  |  | $ | 0.00 |
October - December 2025 |  | NYMEX Henry Hub HSC Differential |  | 10 |  |  | 0.00 |
(1) This settlement index is used to fix the differential between pricing at the Houston Ship Channel and NYMEX Henry Hub prices.
Natural Gas Collar Contracts
|  |  |  | Contracts Sold
|  |  |  |  |  | Weighted Average Price ($/MMBtu)
Period |  | Settlement Index |  | Volume (MMBtud in thousands) |  | Ceiling Price |  | Floor Price
September 2025 (closed) |  | NYMEX Henry Hub |  | 50 |  |  | $ | 4.65 |  |  | $ | 3.81 |
October 2025 (closed) |  | NYMEX Henry Hub |  | 60 |  |  | 4.63 |  |  | 3.76 |
November - December 2025 |  | NYMEX Henry Hub |  | 60 |  |  | 4.63 |  |  | 3.76 |
January - June 2026 |  | NYMEX Henry Hub |  | 80 |  |  | 4.28 |  |  | 3.72 |
July - December 2026 |  | NYMEX Henry Hub |  | 70 |  |  | 4.23 |  |  | 3.71 |
January - December 2027 |  | NYMEX Henry Hub |  | 120 |  |  | 4.41 |  |  | 3.42 |
Ethane Financial Price Swap Contracts
|  |  |  | Contracts Sold
Period |  | Settlement Index |  | Volume (MBbld) |  | Weighted Average Price ($/Bbl)
August - September 2025 (closed) |  | Mont Belvieu Ethane (non-Tet) |  | 11 |  |  | $ | 10.46 |
October - December 2025 |  | Mont Belvieu Ethane (non-Tet) |  | 11 |  |  | 10.46 |
January - December 2026 |  | Mont Belvieu Ethane (non-Tet) |  | 11 |  |  | 10.94 |
Butane Financial Price Swap Contracts
|  |  |  | Contracts Sold
Period |  | Settlement Index |  | Volume (MBbld) |  | Weighted Average Price ($/Bbl)
August - September 2025 (closed) |  | Mont Belvieu Butane (non-Tet) |  | 7 |  |  | $ | 36.28 |
October - December 2025 |  | Mont Belvieu Butane (non-Tet) |  | 7 |  |  | 36.28 |
Propane Financial Price Swap Contracts
|  |  |  | Contracts Sold
Period |  | Settlement Index |  | Volume (MBbld) |  | Weighted Average Price ($/Bbl)
August - September 2025 (closed) |  | Mont Belvieu Propane (Tet) |  | 13 |  |  | $ | 30.82 |
October - December 2025 |  | Mont Belvieu Propane (Tet) |  | 13 |  |  | 30.82 |
January - December 2026 |  | Mont Belvieu Propane (Tet) |  | 1 |  |  | 30.24 |
Schedule of Derivative Instruments in Statement of Financial Position, Fair Value | The following table sets forth the amounts and classification of EOG's outstanding financial commodity and other derivative instruments at September 30, 2025 and December 31, 2024. Certain amounts may be presented on a net basis on the Condensed Consolidated Financial Statements when such amounts are with the same counterparty and subject to a master netting arrangement (in millions):
|  |  |  | Fair Value at
Description |  | Location on Balance Sheet |  | September 30, 2025 |  | December 31, 2024
Asset Derivatives |  |  |  |  |  |
Crude oil, NGLs and natural gas financial derivative contracts - |  |  |  |  |  |
Current Portion |  | Assets from Price Risk Management Activities (1) |  | $ | 19 |  |  | $ | — |
Brent Linked Gas Sales Contract - |  |  |  |  |  |
Noncurrent Portion |  | Other Assets (2) |  | 65 |  |  | 110 |
Liability Derivatives |  |  |  |  |  |
Crude oil, NGLs and natural gas financial derivative contracts - |  |  |  |  |  |
Current Portion |  | Liabilities from Price Risk Management Activities (3) |  | $ | 17 |  |  | $ | 116 |
Noncurrent Portion |  | Other Liabilities (4) |  | 21 |  |  | — |
(1) The current portion of Assets from Price Risk Management Activities consists of gross assets of $19 million at September 30, 2025. (2) The noncurrent portion related to the Brent Linked Gas Sales Contract consists of gross assets of $65 million and $110 million at September 30, 2025 and December 31, 2024, respectively. (3) The current portion of Liabilities from Price Risk Management Activities consists of gross liabilities of $20 million, partially offset by gross assets of $3 million at September 30, 2025. The current portion of Liabilities from Price Risk Management Activities consists of gross liabilities of $117 million, partially offset by gross assets of $1 million at December 31, 2024. (4) The noncurrent portion of Liabilities from Price Risk Management Activities consists of gross liabilities of $21 million at September 30, 2025.

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- Definition Tabular disclosure of the location and fair value amounts of derivative instruments (and nonderivative instruments that are designated and qualify as hedging instruments) reported in the statement of financial position. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 182 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480401/815-10-55-182 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4A -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480434/815-10-50-4A Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4E -Publisher FASB -URI https://asc.fasb.org/1943274/2147480434/815-10-50-4E Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4B -Publisher FASB -URI https://asc.fasb.org/1943274/2147480434/815-10-50-4B + Details
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- Definition Tabular disclosure of pertinent information about a derivative or group of derivatives on a disaggregated basis, such as for individual instruments, or small groups of similar instruments. May include a combination of the type of instrument, risks being hedged, notional amount, hedge designation, related hedged item, inception date, maturity date, or other relevant item. + References No definition available. + Details
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