| **Commitments and Contingencies Commitments and Contingencies (Details) - USD ($) $ in Thousands** | 1 Months Ended | 3 Months Ended | 24 Months Ended |
|----------------------------------------------------------------------------------------------------|----------------|----------------|-----------------|
||
| Consent Decree [Member]                                                                            |           |           |            |
| **Other Commitments [Line Items]**                                                                 |           |           |            |
| Civil penalty                                                                                      |           | $ 4,950        | $ 54,700        |
| Mitigation projects                                                                                |           | 4,500          |            |
| Supplemental environmental projects                                                                |           | $ 4,000        |            |
| Subsequent Event [Member]                                                                          |           |           |            |
| **Other Commitments [Line Items]**                                                                 |           |           |            |
| Reduced penalty                                                                                    | $ 124          |           |            |
| Maximum penalty reduction                                                                          | 80.00%         |           |            |

| 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
Maximum Penalty Reduction
+ References
No definition available.
+ Details**Name:**nbl_LossContingencyMaximumPenaltyReduction**Namespace Prefix:**nbl_**Data Type:**num:percentItemType**Balance Type:**na**Period Type:**instant |
| 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
Amount of judgment or settlement awarded to (against) the entity in respect of litigation.
+ References
No definition available.
+ Details**Name:**us-gaap_LitigationSettlementAmount**Namespace Prefix:**us-gaap_**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_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember**Namespace Prefix:****Data Type:**na**Balance Type:****Period Type:** |