| **Acquisitions and Divestitures (Details) bbl / d in Thousands, bbl in Thousands, $ in Millions**                                 |        |           |         |            |         | 3 Months Ended | 6 Months Ended | 9 Months Ended |         |         |
|-----------------------------------------------------------------------------------------------------------------------------------|--------|-----------|---------|------------|---------|----------------|----------------|----------------|---------|---------|
||
| **Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]** |   |      |    |       |    |           |           |           |    |    |   |   |   |   |   |   |
| Proceeds                                                                                                                          |   |      |    |       |    |           |           |           |    |    |   |   | $ 1,028.0 | $ 0.0 |   |   |
| Loss on Marcellus Shale Upstream Divestiture                                                                                      |   |      |    |       |    | $ 4.0          |           |           | $ 0.0   |    |   |   | 2,326.0 | 0.0 |   |   |
| Firm transportation liability                                                                                                     |   |      |    |       |    | 0.0            |           |           | 0.0     |    |   |   | 41.0 | 0.0 |   |   |
| Income (loss) before income taxes                                                                                                 |   |      |    |       |    | 208.0          |           |           | 280.0   |    |   |   | 2,483.0 | 1,231.0 |   |   |
| Proved undeveloped reserves (MMBOEs) | MMBoe                                                                                      | (551)  |      |    |       |    |           | (551)          |           |    |    |   | (551) |   |   |   |   |
| Proceeds from divestiture of Onshore US                                                                                           |   |      |    |       |    |           |           |           |    |    |   |   | 129.0 | 786.0 |   |   |
| Cash consideration                                                                                                                |   |      |    |       |    |           |           |           |    |    |   |   | 616.0 | 0.0 |   |   |
| Borrowings                                                                                                                        |   |      |    |       |    |           |           |           |    |    |   |   | 245.0 | 0.0 |   |   |
| Gain (loss) on sale                                                                                                               |   |      |    |       |    | 0.0            |           |           | 0.0     |    |   |   | (2,270.0) | 0.0 |   |   |
| Proceeds receivable                                                                                                               |   |      |    |       |    | 0.0            |           |           |    |    |   |   | 0.0 |   |   | $ 40.0 |
| Percentage of divestiture farmed out                                                                                              |   |      |    |       |    |           |           |           |    |    |   |   |   |   |   | 35.00% |
| Marcellus Shale                                                                                                                   |   |      |    |       |    |           |           |           |    |    |   |   |   |   |   |   |
| **Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]** |   |      |    |       |    |           |           |           |    |    |   |   |   |   |   |   |
| Total transaction value                                                                                                           |   | $ 1,200.0 |    |       |    |           |           |           |    |    |   |   |   |   |   |   |
| Proceeds                                                                                                                          |   | 1,000.0   |    |       |    |           |           |           |    |    |   |   |   |   |   |   |
| Contingent adjustment                                                                                                             |   | $ 100.0   |    |       |    |           |           |           |    |    |   |   |   |   |   |   |
| Number of payments | payment                                                                                                      |   | 3         |    |       |    |           |           |           |    |    |   |   |   |   |   |   |
| Individual payment                                                                                                                |   | $ 33.3    |    |       |    |           |           |           |    |    |   |   |   |   |   |   |
| Contingent consideration ($ per MMBtu) | $ / MMBTU                                                                                |   | 3.30      |    |       |    |           |           |           |    |    |   |   |   |   |   |   |
| Loss on Marcellus Shale Upstream Divestiture                                                                                      |   |      |    |       |    |           | $ 2,300.0      |           |    |    |   |   |   |   |   |   |
| Gain (loss), net of tax                                                                                                           |   |      |    |       |    |           | $ 1,500.0      |           |    |    |   |   |   |   |   |   |
| Assets                                                                                                                            |   |      |    |       |    |           |           |           |    |    |   |   |   |   | $ 3,400.0 |   |
| Income (loss) before income taxes                                                                                                 |   |      |    |       |    |           |           |           | 70.0    |    |   |   | 2,300.0 | 237.0 |   |   |
| Natural gas production per day (MMcf per day) | MMcf / d                                                                          |   |      |    |       |    |           | 393            |           |    |    |   | 413 |   |   |   |   |
| CONE Gathering LLC                                                                                                                |   |      |    |       |    |           |           |           |    |    |   |   |   |   |   |   |
| **Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]** |   |      |    |       |    |           |           |           |    |    |   |   |   |   |   |   |
| Total transaction value                                                                                                           |   |      |    | $ 765.0    |    |           |           |           |    |    |   |   |   |   |   |   |
| Assets                                                                                                                            |   |      |    |       |    | 173.0          |           |           |    |    |   |   | $ 173.0 |   |   |   |
| Ownership                                                                                                                         |   |      |    | 50.00%     |    |           |           |           |    |    |   |   |   |   |   |   |
| Ownership interest                                                                                                                |   |      |    | 33.50%     |    |           |           |           |    |    |   |   |   |   |   |   |
| Onshore US                                                                                                                        |   |      |    |       |    |           |           |           |    |    |   |   |   |   |   |   |
| **Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]** |   |      |    |       |    |           |           |           |    |    |   |   |   |   |   |   |
| Proceeds                                                                                                                          |   |      |    |       |    |           |           |           |    |    |   |   |   | 20.0 |   |   |
| Proceeds from divestiture of Onshore US                                                                                           |   |      |    |       |    | 24.0           |           |           |    |    |   |   |   |   |   |   |
| Delaware Basin                                                                                                                    |   |      |    |       |    |           |           |           |    |    |   |   |   |   |   |   |
| **Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]** |   |      |    |       |    |           |           |           |    |    |   |   |   |   |   |   |
| Consideration                                                                                                                     |   |      |    |       |    |           |           | $ 301.0        |    |    |   |   |   |   |   |   |
| Allocated to undeveloped leasehold                                                                                                |   |      |    |       |    |           |           | $ 246.0        |    |    |   |   |   |   |   |   |
| Number of wells | well                                                                                                            |   |      |    |       |    |           |           | 7              |    |    |   |   |   |   |   |   |
| Number of wells operated by company | well                                                                                        |   |      |    |       |    |           |           | 4              |    |    |   |   |   |   |   |   |
| Leaseholds and Leasehold Improvements | Marcellus Shale                                                                           |   |      |    |       |    |           |           |           |    |    |   |   |   |   |   |   |
| **Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]** |   |      |    |       |    |           |           |           |    |    |   |   |   |   |   |   |
| Assets                                                                                                                            |   |      |    |       |    |           |           |           |    |    |   |   |   |   | $ 883.0 |   |
| Subsidiaries | Blanco River and Colorado River DevCos                                                                             |   |      |    |       |    |           |           |           |    |    |   |   |   |   |   |   |
| **Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]** |   |      |    |       |    |           |           |           |    |    |   |   |   |   |   |   |
| Consideration                                                                                                                     |   |      | $ 270.0 |       |    |           |           |           |    |    |   |   |   |   |   |   |
| Dedications area for oil, gas and water gathering services (in acres) | a                                                         |   |      | 111,000 |       |    |           |           |           |    |    |   |   |   |   |   |   |
| Cash consideration                                                                                                                |   |      | $ 245.0 |       |    |           |           |           |    |    |   |   |   |   |   |   |
| Shares exchange in acquisition (shares) | shares                                                                                  |   |      | 562,430 |       |    |           |           |           |    |    |   |   |   |   |   |   |
| Proceeds from equity                                                                                                              |   |      | $ 138.0 |       |    |           |           |           |    |    |   |   |   |   |   |   |
| Borrowings                                                                                                                        |   |      | $ 90.0  |       |    |           |           |           |    |    |   |   |   |   |   |   |
| Noble Midstream Partners LP | Blanco River DevCo                                                                                  |   |      |    |       |    |           |           |           |    |    |   |   |   |   |   |   |
| **Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]** |   |      |    |       |    |           |           |           |    |    |   |   |   |   |   |   |
| Additional voting interests acquired in limited partnership                                                                       |   |      | 15.00%  |       |    |           |           |           |    |    |   |   |   |   |   |   |
| Equity interest in acquiree                                                                                                       |   |      | 40.00%  |       |    |           |           |           |    |    |   |   |   |   |   |   |
| Noble Midstream Partners LP | Colorado River DevCo                                                                                |   |      |    |       |    |           |           |           |    |    |   |   |   |   |   |   |
| **Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]** |   |      |    |       |    |           |           |           |    |    |   |   |   |   |   |   |
| Additional voting interests acquired in limited partnership                                                                       |   |      | 20.00%  |       |    |           |           |           |    |    |   |   |   |   |   |   |
| Noble Midstream Partners LP | Blanco River and Colorado River DevCos                                                              |   |      |    |       |    |           |           |           |    |    |   |   |   |   |   |   |
| **Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]** |   |      |    |       |    |           |           |           |    |    |   |   |   |   |   |   |
| Consideration                                                                                                                     |   |      | $ 270.0 |       |    |           |           |           |    |    |   |   |   |   |   |   |
| Noble Midstream Partners LP | Advantage Pipeline                                                                                  |   |      |    |       |    |           |           |           |    |    |   |   |   |   |   |   |
| **Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]** |   |      |    |       |    |           |           |           |    |    |   |   |   |   |   |   |
| Ownership                                                                                                                         |   |      |    |       | 50.00%  |           |           |           |    |    |   |   |   |   |   |   |
| Consideration                                                                                                                     |   |      |    |       | $ 133.0 |           |           |           |    |    |   |   |   |   |   |   |
| Length of pipeline (miles) | mi                                                                                                   |   |      |    |       | 70      |           |           |           |    |    |   |   |   |   |   |   |
| Shipping capacity (barrels per day) | bbl / d                                                                                     |   |      |    |       | 150     |           |           |           |    |    |   |   |   |   |   |   |
| Storage capacity (barrels per day) | bbl                                                                                          |   |      |    |       | 490     |           |           |           |    |    |   |   |   |   |   |   |
| Advantage Joint Venture                                                                                                           |   |      |    |       |    |           |           |           |    |    |   |   |   |   |   |   |
| **Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]** |   |      |    |       |    |           |           |           |    |    |   |   |   |   |   |   |
| Payments to acquire joint venture                                                                                                 |   |      |    |       | $ 66.8  |           |           |           |    |    |   |   |   |   |   |   |
| Maximum | Noble Midstream Partners LP | Advantage Pipeline                                                                        |   |      |    |       |    |           |           |           |    |    |   |   |   |   |   |   |
| **Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]** |   |      |    |       |    |           |           |           |    |    |   |   |   |   |   |   |
| Shipping capacity (barrels per day) | bbl / d                                                                                     |   |      |    |       | 200     |           |           |           |    |    |   |   |   |   |   |   |
| Member Units | CONE Gathering LLC                                                                                                 |   |      |    |       |    |           |           |           |    |    |   |   |   |   |   |   |
| **Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]** |   |      |    |       |    |           |           |           |    |    |   |   |   |   |   |   |
| Equity owned (units) | shares                                                                                                     |   |      |    | 21,700,000 |    |           |           |           |    |    |   |   |   |   |   |   |
| Marcellus Shale                                                                                                                   |   |      |    |       |    |           |           |           |    |    |   |   |   |   |   |   |
| **Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]** |   |      |    |       |    |           |           |           |    |    |   |   |   |   |   |   |
| Proved developed and undeveloped reserves, decreased reserves from divestiture (MMBOEs) | MMBoe                                   | 241    |      |    |       |    |           |           |           |    |    |   |   |   |   |   |   |
| Decrease in proved developed reserves (MMBOEs) | MMBoe                                                                            | 190    |      |    |       |    |           |           |           |    |    |   |   |   |   |   |   |
| Decrease in undeveloped reserves (MMBOEs) | MMBoe                                                                                 | 51     |      |    |       |    |           |           |           |    |    |   |   |   |   |   |   |
| Disposal Group, Disposed of by Sale, Not Discontinued Operations | MONTANA                                                        |   |      |    |       |    |           |           |           |    |    |   |   |   |   |   |   |
| **Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]** |   |      |    |       |    |           |           |           |    |    |   |   |   |   |   |   |
| Proceeds                                                                                                                          |   |      |    |       |    |           |           |           |    |    |   |   |   | 43.0 |   |   |
| Gain (loss) on sale                                                                                                               |   |      |    |       |    |           |           |           |    |    |   |   |   | $ (23.0) |   |   |
| Disposal Group, Disposed of by Sale, Not Discontinued Operations | Producing and Undeveloped Net Acres in the DJ Basin            |   |      |    |       |    |           |           |           |    |    |   |   |   |   |   |   |
| **Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]** |   |      |    |       |    |           |           |           |    |    |   |   |   |   |   |   |
| Proceeds                                                                                                                          |   |      |    |       |    | $ 5.0          |           |           |    | $ 486.0 |   |   |   |   |   |   |
| Purchase and sales agreement, area (acres) | a                                                                                    |   |      |    |       |    |           |           |           |    |    |   |   |   | 33,100 |   |   |
| Purchase and sales agreement, consideration                                                                                       |   |      |    |       |    |           |           |           | $ 505.0 |    |   |   |   | $ 505.0 |   |   |
| Disposal Group, Disposed of by Sale, Not Discontinued Operations | Cyprus Block 12                                                |   |      |    |       |    |           |           |           |    |    |   |   |   |   |   |   |
| **Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]** |   |      |    |       |    |           |           |           |    |    |   |   |   |   |   |   |
| Proceeds receivable                                                                                                               |   |      |    |       |    |           |           | $ 40.0         |    |    |   |   |   |   |   |   |
| Proceeds received from farm-out agreement                                                                                         |   |      |    |       |    |           |           | $ 131.0        |    |    |   |   |   |   |   |   |
| Percentage of divestiture farmed out                                                                                              |   |      |    |       |    |           |           | 35.00%         |    |    |   |   |   |   |   |   |
| Disposal Group, Disposed of by Sale, Not Discontinued Operations | Alon A And Alon C                                              |   |      |    |       |    |           |           |           |    |    |   |   |   |   |   |   |
| **Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]** |   |      |    |       |    |           |           |           |    |    |   |   |   |   |   |   |
| Total transaction value                                                                                                           |   |      |    |       |    |           |           |           |    |    | $ 73.0 |   |   |   |   |   |
| Contingent adjustment                                                                                                             |   |      |    |       |    |           |           |           |    |    | 6.0 |   |   |   |   |   |
| Assets                                                                                                                            |   |      |    |       |    |           |           |           |    |    | $ 67.0 |   |   |   |   |   |
| Percentage of divestiture farmed out                                                                                              |   |      |    |       |    |           |           |           |    |    | 47.00% |   |   |   |   |   |
| Disposal Group, Disposed of by Means Other than Sale, Not Discontinued Operations, Exchange | Wells Ranch Development Area        |   |      |    |       |    |           |           |           |    |    |   |   |   |   |   |   |
| **Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]** |   |      |    |       |    |           |           |           |    |    |   |   |   |   |   |   |
| Land exchanged (acres) | a                                                                                                        |   |      |    |       |    |           |           |           |    |    |   |   |   | 11,700 |   |   |
| Disposal Group, Disposed of by Means Other than Sale, Not Discontinued Operations, Exchange | Bronco Development Area             |   |      |    |       |    |           |           |           |    |    |   |   |   |   |   |   |
| **Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]** |   |      |    |       |    |           |           |           |    |    |   |   |   |   |   |   |
| Purchase and sales agreement, area (acres) | a                                                                                    |   |      |    |       |    |           |           |           |    |    |   |   |   | 13,500 |   |   |

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Disposal Group, Not Discontinued Operation, Percentage Sold
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Firm Transportation Liability
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Natural Gas Production Per Day
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Proved Developed, Sale of Mineral In Place (Energy)
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Proved Developed and Undeveloped Reserves, Sale of Mineral In Place (Energy), Volume
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Storage Capacity
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Undeveloped Reserves, Sale of Mineral In Place (Energy)
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Amount, after allowance, receivable from customers, clients, or other third-parties, and receivables classified as other due within one year or the normal operating cycle, if longer.
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|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount classified as assets attributable to disposal group held for sale or disposed of.
+ References
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 |
|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Number of shares of equity interests issued or issuable to acquire entity.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b)(4) -URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Percentage of voting equity interests acquired at the acquisition date in the business combination.
+ References
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|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6578-128477Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6613-128477
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |
|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Percentage of voting equity interests acquired in a business combination achieved in stages, including equity interests in the acquiree held by the acquirer immediately before the acquisition date and acquired at the acquisition date.
+ References
No definition available.
+ Details**Name:**us-gaap_BusinessCombinationStepAcquisitionEquityInterestInAcquireeIncludingSubsequentAcquisitionPercentage**Namespace Prefix:**us-gaap_**Data Type:**num:percentItemType**Balance Type:**na**Period Type:**instant |
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|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount classified as cash and cash equivalents attributable to disposal group held for sale or disposed of.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=84176398&loc=d3e2941-110230Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=65878427&loc=SL51721533-107759Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 45 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=65878427&loc=d3e1107-107759Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 5B -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=64827811&loc=SL51721673-107760
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|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount of consideration received or receivable for the disposal of assets and liabilities, including discontinued operation.
+ References
No definition available.
+ Details**Name:**us-gaap_DisposalGroupIncludingDiscontinuedOperationConsideration**Namespace Prefix:**us-gaap_**Data Type:**xbrli:monetaryItemType**Balance Type:**debit**Period Type:**instant |
| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount of gain (loss) on sale or disposal of proven and unproven oil and gas properties.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |
|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
This element represents the amount of gain (loss) on sale of properties during the reporting period net of the applicable income taxes realized.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 974 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-15.(a)(1)(ii)) -URI http://asc.fasb.org/extlink&oid=6875705&loc=d3e641549-123027
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|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount of gain (loss) on sale or disposal of property, plant and equipment assets, including oil and gas property and timber property.
+ References
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| X                                                                                                                                                                                                                                                                                                                                                                                                                   |
|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Area spaced or assigned to productive wells in which a working interest is owned.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K (SK) -Number 229 -Section 1208 -Paragraph (a)
+ Details**Name:**us-gaap_GasAndOilAreaDevelopedGross**Namespace Prefix:**us-gaap_**Data Type:**num:areaItemType**Balance Type:**na**Period Type:**instant |
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|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.
+ References
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.
+ References
No definition available.
+ Details**Name:**us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems**Namespace Prefix:**us-gaap_**Data Type:**xbrli:stringItemType**Balance Type:**na**Period Type:**duration |
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|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Balance held at close of period in number of shares.
+ References
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |
|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Percentage investment held by members or limited partners of limited liability company (LLC) or limited partnership (LP).
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 272 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6373374&loc=d3e70478-108055
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| X                                                                                                                                                                                                                                                                                                                                                           |
|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.
+ References
No definition available.
+ Details**Name:**us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners**Namespace Prefix:**us-gaap_**Data Type:**num:percentItemType**Balance Type:**na**Period Type:**instant |
| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3213-108585
+ Details**Name:**us-gaap_PaymentsToAcquireBusinessesGross**Namespace Prefix:**us-gaap_**Data Type:**xbrli:monetaryItemType**Balance Type:**credit**Period Type:**duration |
| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |
|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
The cash outflow associated with the investment in or advances to an entity in which the reporting entity shares control of the entity with another party or group.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3213-108585
+ Details**Name:**us-gaap_PaymentsToAcquireInterestInJointVenture**Namespace Prefix:**us-gaap_**Data Type:**xbrli:monetaryItemType**Balance Type:**credit**Period Type:**duration |
| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
The cash inflow associated with the amount received from the sale of a portion of the company's business, for example a segment, division, branch or other business, during the period.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3179-108585
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |
|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
The cash inflow from the issuance of common limited partners units during the period.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3255-108585
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|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3255-108585Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(f)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
The cash inflow to dispose of long-lived, physical assets and mineral interests in oil and gas properties used for normal oil and gas operations.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3179-108585
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                 |
|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Energy measure of proved undeveloped reserves of crude oil, including condensate and natural gas liquids, natural gas, synthetic oil and gas, or other nonrenewable natural resource that is intended to be upgraded into synthetic oil and gas.
+ References
No definition available.
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|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
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|-------------------------------------------------------------------------------------------------------------------------------------------------|
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|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
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| X                                                                                                                                                   |
|-----------------------------------------------------------------------------------------------------------------------------------------------------|
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|---------------------------------------------------------------------------------------------------------------------------------------------------------------------|
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|------------------------------------------------------------------------------------------------------------------------------------------------|
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|-----------------------------------------------------------------------------------------------------------------------------------------------------|
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|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
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|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
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|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
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