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Risk Management Activities (Details) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2021 USD ($) BTU $ / bbl bbl | Dec. 31, 2020 USD ($) | Dec. 31, 2019 USD ($) | Feb. 18, 2022 USD ($)
Derivatives, Fair Value [Line Items] |  |  |  |  |
Gains (Losses) on Mark-to-Market Commodity Derivative Contracts | $ |  | $ (1,152.0) | $ 1,145.0 | $ 180.0 |
Net Cash Received from (Payments for) Settlements of Commodity Derivatives Contracts | $ |  | (638.0) | 1,071.0 | $ 231.0 |
Assets from Price Risk Management Activities | $ |  | 0.0 | 65.0 |  |
Liabilities from Price Risk Management Activities | $ |  | $ 269.0 | $ 0.0 |  |
Receivable Major Customer Percentage |  | 10.00% | 10.00% |  |
Derivative Collateral [Abstract] |  |  |  |  |
Collateral Already Posted on Derivative | $ |  | $ 140.0 | $ 0.0 |  | $ 1,400.0
Collateral Held on Derivative | $ |  | 0.0 | 0.0 |  |
Price Risk Derivative [Member] |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |
Derivative Asset, Noncurrent | $ | [1] | 6.0 | 1.0 |  |
Derivative Liability, Noncurrent | $ | [2] | 37.0 | 1.0 |  |
Assets From Price Risk Management Activities [Member] | Price Risk Derivative [Member] |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |
Assets from Price Risk Management Activities | $ |  | 0.0 | 65.0 |  |
Liabilities From Price Risk Management Activities [Member] |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |
Derivative Asset, Fair Value, Gross Asset | $ |  | 29.0 |  |  |
Derivative Liability, Fair Value, Gross Liability | $ |  | 421.0 |  |  |
Derivative Collateral [Abstract] |  |  |  |  |
Collateral Posted on Derivative | $ |  | 123.0 |  |  |
Liabilities From Price Risk Management Activities [Member] | Price Risk Derivative [Member] |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |
Liabilities from Price Risk Management Activities | $ | [3] | 269.0 | 0.0 |  |
Other Assets |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |
Derivative Asset, Fair Value, Gross Asset | $ |  | 7.0 |  |  |
Derivative Liability, Fair Value, Gross Liability | $ |  | 1.0 |  |  |
Other Liabilities |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |
Derivative Asset, Fair Value, Gross Asset | $ |  | 10.0 |  |  |
Derivative Liability, Fair Value, Gross Liability | $ |  |  | $ 64.0 |  |
Derivative Collateral [Abstract] |  |  |  |  |
Collateral Posted on Derivative | $ |  | $ 17.0 |  |  |
Crude Oil | Derivative Contracts - January (closed) | Price Swaps |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |
Volume (Bbld) | bbl |  | 151 |  |  |
Weighted Average Price |  | 50.06 |  |  |
Crude Oil | Derivative Contracts - February through March (closed) | Price Swaps |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |
Volume (Bbld) | bbl |  | 201 |  |  |
Weighted Average Price |  | 51.29 |  |  |
Crude Oil | Derivative Contracts - April through June (closed) | Price Swaps |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |
Volume (Bbld) | bbl |  | 150 |  |  |
Weighted Average Price |  | 51.68 |  |  |
Crude Oil | Derivative Contracts - July through September (closed) | Price Swaps |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |
Volume (Bbld) | bbl |  | 150 |  |  |
Weighted Average Price |  | 52.71 |  |  |
Crude Oil | Derivative Contracts - Year Two - April through June | Price Swaps |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |
Volume (Bbld) | bbl |  | 140 |  |  |
Weighted Average Price |  | 65.62 |  |  |
Crude Oil | Derivative Contracts - Year Two - July through September [Member] | Price Swaps |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |
Volume (Bbld) | bbl |  | 140 |  |  |
Weighted Average Price |  | 65.59 |  |  |
Crude Oil | Derivative Contracts - Year Two - October through December | Price Swaps |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |
Volume (Bbld) | bbl |  | 140 |  |  |
Weighted Average Price |  | 65.68 |  |  |
Crude Oil | Derivative Contracts - Year Three - January through March | Price Swaps |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |
Volume (Bbld) | bbl |  | 150 |  |  |
Weighted Average Price |  | 67.92 |  |  |
Crude Oil | Derivative Contracts - Year Three - April through June | Price Swaps |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |
Volume (Bbld) | bbl |  | 120 |  |  |
Weighted Average Price |  | 67.79 |  |  |
Crude Oil | Derivative Contracts - Year Three - July through September | Price Swaps |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |
Volume (Bbld) | bbl |  | 20 |  |  |
Weighted Average Price |  | 68.04 |  |  |
Crude Oil | Derivative Contracts - February (closed) | Roll Differential Swap |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |
Volume (Bbld) | bbl | [4] | 30 |  |  |
Weighted Average Price | [4] | 0.11 |  |  |
Crude Oil | Derivative Contracts - March through December (closed) | Roll Differential Swap |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |
Volume (Bbld) | bbl | [4] | 125 |  |  |
Weighted Average Price | [4] | 0.17 |  |  |
Crude Oil | Derivative Contracts - Year Two - January (closed) | Roll Differential Swap |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |
Volume (Bbld) | bbl | [4] | 125 |  |  |
Weighted Average Price | [4] | 0.15 |  |  |
Crude Oil | Derivative Contracts - Year Two - February through December | Roll Differential Swap |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |
Volume (Bbld) | bbl | [4] | 125 |  |  |
Weighted Average Price | [4] | 0.15 |  |  |
Crude Oil | Derivative Contracts - Year Two - January through March | Price Swaps |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |
Volume (Bbld) | bbl |  | 140 |  |  |
Weighted Average Price |  | 65.58 |  |  |
Natural Gas Liquids | Derivative Contracts - January through December (closed) [Member] | Price Swaps |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |
Volume (Bbld) | bbl |  | 15 |  |  |
Weighted Average Price |  | 29.44 |  |  |
Natural Gas | Price Swaps |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |
Cash Received For Early Termination Of Contracts | $ |  | $ 0.6 |  |  |
Natural Gas | Derivative Contracts - January through March (closed) | Price Swaps |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |
Volume (MMBTU) | BTU |  | 500 |  |  |
Weighted Average Price (MMBtu) |  | 2.99 |  |  |
Natural Gas | Derivative Contracts - April through September (closed) | Price Swaps |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |
Volume (MMBTU) | BTU |  | 500 |  |  |
Weighted Average Price (MMBtu) |  | 2.99 |  |  |
Natural Gas | Derivative Contracts - April through September (closed) | Japan Korea Marker |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |
Volume (MMBTU) | BTU |  | 70 |  |  |
Weighted Average Price (MMBtu) |  | 6.65 |  |  |
Natural Gas | Derivative Contracts - October through December (closed) | Price Swaps |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |
Volume (MMBTU) | BTU |  | 500 |  |  |
Weighted Average Price (MMBtu) |  | 2.99 |  |  |
Natural Gas | Derivative Contracts - Year Two - January through December (closed) | Price Swaps |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |
Volume (MMBTU) | BTU | [5] | 20 |  |  |
Weighted Average Price (MMBtu) | [5] | 2.75 |  |  |
Natural Gas | Derivative Contracts - Year Two - January through December | Price Swaps |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |
Volume (MMBTU) | BTU |  | 725 |  |  |
Weighted Average Price (MMBtu) |  | 3.57 |  |  |
Natural Gas | Derivative Contracts - Year Two - January through December | HSC Differential Basis Swaps [Member] |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |
Volume (MMBTU) | BTU | [6] | 210 |  |  |
Weighted Average Price (MMBtu) | [6] | (0.01) |  |  |
Natural Gas | Derivative Contracts - Year Three - January through December | Price Swaps |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |
Volume (MMBTU) | BTU |  | 725 |  |  |
Weighted Average Price (MMBtu) |  | 3.18 |  |  |
Natural Gas | Derivative Contracts - Year Three - January through December | HSC Differential Basis Swaps [Member] |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |
Volume (MMBTU) | BTU | [6] | 135 |  |  |
Weighted Average Price (MMBtu) | [6] | (0.01) |  |  |
Natural Gas | Derivative Contracts - Year Four - January through December [Member] | Price Swaps |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |
Volume (MMBTU) | BTU |  | 725 |  |  |
Weighted Average Price (MMBtu) |  | 3.07 |  |  |
Natural Gas | Derivative Contracts - Year Four - January through December [Member] | HSC Differential Basis Swaps [Member] |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |
Volume (MMBTU) | BTU | [6] | 10 |  |  |
Weighted Average Price (MMBtu) | [6] | 0.00 |  |  |
Natural Gas | Derivative Contracts - Year Five - January through December [Member] | Price Swaps |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |
Volume (MMBTU) | BTU |  | 725 |  |  |
Weighted Average Price (MMBtu) |  | 3.07 |  |  |
Natural Gas | Derivative Contracts - Year Five - January through December [Member] | HSC Differential Basis Swaps [Member] |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |
Volume (MMBTU) | BTU | [6] | 10 |  |  |
Weighted Average Price (MMBtu) | [6] | 0.00 |  |  |
Natural Gas | OffSetting Derivative Contracts - January through March (closed) | Price Swaps |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |
Volume (MMBTU) | BTU |  | 500 |  |  |
Weighted Average Price (MMBtu) |  | 2.43 |  |  |
Natural Gas | OffSetting Derivative Contracts - April through September (closed) | Price Swaps |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |
Volume (MMBTU) | BTU |  | 570 |  |  |
Weighted Average Price (MMBtu) |  | 2.81 |  |  |
Natural Gas | OffSetting Derivative Contracts - April through September (closed) | Japan Korea Marker |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |
Volume (MMBTU) | BTU |  | 0 |  |  |
Weighted Average Price (MMBtu) |  | 0 |  |  |
Natural Gas | OffSetting Derivative Contracts - October through December (closed) | Price Swaps |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |
Volume (MMBTU) | BTU |  | 500 |  |  |
Weighted Average Price (MMBtu) |  | 2.83 |  |  |
Natural Gas | Derivative Contracts - Year Two - January through March | Price Swaps |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |
Volume (MMBTU) | BTU | [5] | 0 |  |  |
Weighted Average Price (MMBtu) | [5] | 0 |  |  |
Natural Gas | Offsetting Derivative Contracts - Year Two - January through December | Price Swaps |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |
Volume (MMBTU) | BTU |  | 0 |  |  |
Weighted Average Price (MMBtu) |  | 0 |  |  |
Natural Gas | Offsetting Derivative Contracts - Year Three - January through December | Price Swaps |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |
Volume (MMBTU) | BTU |  | 0 |  |  |
Weighted Average Price (MMBtu) |  | 0 |  |  |
Natural Gas | Offsetting Derivative Contracts - Year Four - January through December | Price Swaps |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |
Volume (MMBTU) | BTU |  | 0 |  |  |
Weighted Average Price (MMBtu) |  | 0 |  |  |
Natural Gas | Offsetting Derivative Contracts - Year Five - January through December [Member] | Price Swaps |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |
Volume (MMBTU) | BTU |  | 0 |  |  |
Weighted Average Price (MMBtu) |  | 0 |  |  |
[1] | The noncurrent portion of Assets from Price Risk Management Activities consists of gross assets of $7 million, partially offset by gross liabilities of $1 million, at December 31, 2021.
[2] | The noncurrent portion of Liabilities from Price Risk Management Activities consists of gross liabilities of $64 million, partially offset by gross assets of $10 million and collateral posted with counterparties of $17 million, at December 31, 2021.
[3] | The current portion of Liabilities from Price Risk Management Activities consists of gross liabilities of $421 million, partially offset by gross assets of $29 million and collateral posted with counterparties of $123 million, at December 31, 2021.
[4] | This settlement index is used to fix the differential in pricing between the NYMEX calendar month average and the physical crude oil delivery month.
[5] | In January 2021, EOG executed the early termination provision granting EOG the right to terminate all of its 2022 natural gas price swap contracts which were open at that time. EOG received net cash of $0.6 million for the settlement of these contracts
[6] | This settlement index is used to fix the differential between pricing at the Houston Ship Channel and NYMEX Henry Hub prices.

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