XML 43 R33.htm IDEA: XBRL DOCUMENT
v3.19.1

Nature of Operations (Details) | 3 Months Ended
--- | ---
Mar. 31, 2019 country item
Nature of Operations. |
Number of countries company has actively marketed rigs for land based drilling operations | country | 25
Actively marketed rigs for land based drilling operations | 378
Actively marketed rigs for offshore based drilling operations | 33

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