| **Contingencies - Narrative (Details) - USD ($) $ in Thousands** | 1 Months Ended | 9 Months Ended | 12 Months Ended | 24 Months Ended |
|------------------------------------------------------------------|----------------|----------------|-----------------|-----------------|
||
| **Other Commitments [Line Items]**                               |           |           |            |            |   |
| Administrative penalty                                           | $ 1,600        | $ 135          |            |            |   |
| Consent Decree                                                   |           |           |            |            |   |
| **Other Commitments [Line Items]**                               |           |           |            |            |   |
| Civil penalty                                                    |           |           |            | $ 5,000         | $ 83,000 |
| Mitigation projects                                              |           |           | $ 5,000         |            |   |
| Supplemental environmental projects                              |           |           | $ 4,000         |            |   |
| Administrative Penalty Subject To Deferral Period                |           |           |            |            |   |
| **Other Commitments [Line Items]**                               |           |           |            |            |   |
| Administrative penalty                                           |           | $ 41           |            |            |   |
| Administrative Penalty Subject To Offset                         |           |           |            |            |   |
| **Other Commitments [Line Items]**                               |           |           |            |            |   |
| Administrative penalty                                           | $ 1,400        |           |            |            |   |

| X                                                                                                                                                                                                               |
|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Civil penalty
+ References
No definition available.
+ Details**Name:**nbl_Civilpenalty**Namespace Prefix:**nbl_**Data Type:**xbrli:monetaryItemType**Balance Type:**credit**Period Type:**duration |
| X                                                                                                                                                                                                                                                       |
|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Loss Contingency, Settlement Amount
+ References
No definition available.
+ Details**Name:**nbl_LossContingencySettlementAmount**Namespace Prefix:**nbl_**Data Type:**xbrli:monetaryItemType**Balance Type:**debit**Period Type:**duration |
| X                                                                                                                                                                                                                           |
|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Mitigation projects
+ References
No definition available.
+ Details**Name:**nbl_Mitigationprojects**Namespace Prefix:**nbl_**Data Type:**xbrli:monetaryItemType**Balance Type:**credit**Period Type:**duration |
| X                                                                                                                                                                                                                                                          |
|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Supplemental environmental projects
+ References
No definition available.
+ Details**Name:**nbl_Supplementalenvironmentalprojects**Namespace Prefix:**nbl_**Data Type:**xbrli:monetaryItemType**Balance Type:**credit**Period Type:**duration |
| 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_OtherCommitmentsLineItems**Namespace Prefix:**us-gaap_**Data Type:**xbrli:stringItemType**Balance Type:**na**Period Type:**duration |
| X                                                                                                                                            |
|----------------------------------------------------------------------------------------------------------------------------------------------|
| - Details**Name:**us-gaap_OtherCommitmentsAxis=nbl_ConsentDecreeMember**Namespace Prefix:****Data Type:**na**Balance Type:****Period Type:** |
| X                                                                                                                                                                                                 |
|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Details**Name:**us-gaap_LossContingenciesByNatureOfContingencyAxis=nbl_AdministrativePenaltySubjectToDeferralPeriodMember**Namespace Prefix:****Data Type:**na**Balance Type:****Period Type:** |
| X                                                                                                                                                                                         |
|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Details**Name:**us-gaap_LossContingenciesByNatureOfContingencyAxis=nbl_AdministrativePenaltySubjectToOffsetMember**Namespace Prefix:****Data Type:**na**Balance Type:****Period Type:** |