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v3.10.0.1

Nature of Operations (Details) | 6 Months Ended
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Jun. 30, 2018 segment county country item
Nature of Operations |
The minimum number of countries in which the entity operates | country | 25
Actively marketed rigs for land based drilling operations | 405
Number of countries company has actively marketed rigs for land based drilling operations | county | 20
Actively marketed rigs for offshore based drilling operations | 35
Number of reportable segments | segment | 5

X
- Definition Number of actively marketed rigs for land based drilling operations. + References No definition available. + Details
Name: | nbr_MarketedRigsForLandBasedDrillingOperations
Namespace Prefix: | nbr_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of actively marketed rigs for offshore drilling operations. + References No definition available. + Details
Name: | nbr_MarketedRigsForOffshoreDrillingOperations
Namespace Prefix: | nbr_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the minimum number of countries in which the entity operates + References No definition available. + Details
Name: | nbr_MinimumNumberOfCountriesInWhichEntityOperates
Namespace Prefix: | nbr_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition The number of countries in which the entity operates as of balance sheet date. + References No definition available. + Details
Name: | us-gaap_NumberOfCountriesInWhichEntityOperates
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements. + References No definition available. + Details
Name: | us-gaap_NumberOfReportableSegments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
Name: | us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration