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Condensed Consolidating Financial Information (Details) (Increase (decrease) in cash flow, USD $) In Millions, unless otherwise specified | 6 Months Ended
--- | ---
Jun. 30, 2012
Nabors Delaware (Issuer) |
Condensed Consolidated Financial Information |
Change in cash provided by / used for operating activities | $ 38.1
Increase (decrease) in cash used for investing activities | 38.1
Other Subsidiaries (Non-Guarantors) |
Condensed Consolidated Financial Information |
Change in cash provided by / used for operating activities | (38.1)
Increase (decrease) in cash used for investing activities | $ (38.1)

X
- Definition Represents the increase (decrease) in net cash inflow or outflow from investing activity. + References No definition available. + Details
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Namespace Prefix: | nbr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Represents the increase (decrease) in net cash from (used in) all of the entity's operating activities, including those of discontinued operations, of the reporting entity. + References No definition available. + Details
Name: | nbr_NetCashProvidedByUsedInOperatingActivitiesIncreaseDecrease
Namespace Prefix: | nbr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration