XML 63 R52.htm IDEA: XBRL DOCUMENT
v3.21.2

Revenue Recognition - Disaggregation of Revenue (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2021 | Jun. 30, 2020
Disaggregation of Revenue [Line Items] |  |  |  |
Operating revenues | $ 489,333 | $ 533,931 | $ 949,844 | $ 1,252,295
U.S. Drilling |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Operating revenues | 161,606 | 173,784 | 303,905 | 448,685
Canada Drilling |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Operating revenues | 12,313 | 3,564 | 33,302 | 29,155
International Drilling |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Operating revenues | 255,282 | 301,078 | 502,120 | 638,188
Drilling Solutions |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Operating revenues | 39,111 | 33,129 | 74,817 | 88,513
Rig Technologies |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Operating revenues | 34,552 | 33,582 | 60,300 | 75,732
Other |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Operating revenues | (13,531) | (11,206) | (24,600) | (27,978)
Operating segment | Lower 48 |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Operating revenues | 158,244 | 160,247 | 298,765 | 436,720
Operating segment | U.S. Offshore Gulf Of Mexico |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Operating revenues | 34,789 | 38,549 | 64,717 | 80,771
Operating segment | Alaska |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Operating revenues | 7,478 | 8,559 | 13,186 | 25,152
Operating segment | Canada |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Operating revenues | 13,900 | 4,226 | 36,243 | 32,159
Operating segment | Middle East & Asia |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Operating revenues | 197,371 | 220,390 | 383,628 | 448,158
Operating segment | Latin America |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Operating revenues | 63,752 | 50,225 | 124,239 | 137,423
Operating segment | Europe, Africa & CIS |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Operating revenues | 27,330 | 62,941 | 53,666 | 119,890
Operating segment | U.S. Drilling |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Operating revenues | 161,606 | 173,784 | 303,905 | 448,685
Operating segment | U.S. Drilling | Lower 48 |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Operating revenues | 121,360 | 128,814 | 230,896 | 349,043
Operating segment | U.S. Drilling | U.S. Offshore Gulf Of Mexico |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Operating revenues | 32,967 | 36,682 | 60,159 | 75,738
Operating segment | U.S. Drilling | Alaska |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Operating revenues | 7,279 | 8,288 | 12,850 | 23,904
Operating segment | Canada Drilling |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Operating revenues | 12,313 | 3,564 | 33,302 | 29,155
Operating segment | Canada Drilling | Canada |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Operating revenues | 12,313 | 3,564 | 33,302 | 29,155
Operating segment | International Drilling |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Operating revenues | 255,282 | 301,078 | 502,120 | 638,188
Operating segment | International Drilling | Middle East & Asia |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Operating revenues | 174,339 | 193,313 | 342,525 | 394,490
Operating segment | International Drilling | Latin America |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Operating revenues | 57,931 | 49,700 | 113,839 | 133,919
Operating segment | International Drilling | Europe, Africa & CIS |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Operating revenues | 23,012 | 58,065 | 45,756 | 109,779
Operating segment | Drilling Solutions |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Operating revenues | 39,111 | 33,129 | 74,817 | 88,513
Operating segment | Drilling Solutions | Lower 48 |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Operating revenues | 21,436 | 19,325 | 39,884 | 55,037
Operating segment | Drilling Solutions | U.S. Offshore Gulf Of Mexico |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Operating revenues | 1,822 | 1,867 | 4,558 | 5,033
Operating segment | Drilling Solutions | Alaska |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Operating revenues | 185 | 244 | 322 | 1,230
Operating segment | Drilling Solutions | Canada |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Operating revenues | 204 | 78 | 658 | 808
Operating segment | Drilling Solutions | Middle East & Asia |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Operating revenues | 9,457 | 10,496 | 18,448 | 21,534
Operating segment | Drilling Solutions | Latin America |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Operating revenues | 5,658 | 555 | 10,224 | 3,382
Operating segment | Drilling Solutions | Europe, Africa & CIS |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Operating revenues | 349 | 564 | 723 | 1,489
Operating segment | Rig Technologies |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Operating revenues | 34,552 | 33,582 | 60,300 | 75,732
Operating segment | Rig Technologies | Lower 48 |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Operating revenues | 15,448 | 12,108 | 27,985 | 32,640
Operating segment | Rig Technologies | Alaska |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Operating revenues | 14 | 27 | 14 | 18
Operating segment | Rig Technologies | Canada |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Operating revenues | 1,383 | 584 | 2,283 | 2,196
Operating segment | Rig Technologies | Middle East & Asia |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Operating revenues | 13,575 | 16,581 | 22,655 | 32,134
Operating segment | Rig Technologies | Latin America |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Operating revenues | 163 | (30) | 176 | 122
Operating segment | Rig Technologies | Europe, Africa & CIS |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Operating revenues | 3,969 | 4,312 | 7,187 | 8,622
Other reconciling items | Other |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Operating revenues | (13,531) | (11,206) | (24,600) | (27,978)
Other reconciling items | Other | Other |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Operating revenues | (13,531) | (11,206) | (24,600) | (27,978)
Other reconciling items (3) |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Operating revenues | $ 13,531 | $ 11,206 | $ 24,600 | $ 27,978

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

X
- Definition Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8906-108599 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 40 -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e9031-108599 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e9038-108599 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8933-108599 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8933-108599 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130543-203045 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8736-108599 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8736-108599 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 42 -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e9054-108599 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130545-203045 Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 924 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 11.L) -URI http://asc.fasb.org/extlink&oid=6472922&loc=d3e499488-122856 + Details
Name: | us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=nbr_USSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=nbr_CanadaSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=nbr_InternationalExcludingCanadaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=nbr_DrillingSolutionsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=nbr_RigServicesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=nbr_OtherMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ConsolidationItemsAxis=us-gaap_OperatingSegmentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=nbr_Lower48Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=nbr_OffshoreGulfOfMexicoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=stpr_AK
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=country_CA
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=nbr_MiddleEastAndAsiaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=srt_LatinAmericaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=nbr_EuropeAfricaAndCisMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ConsolidationItemsAxis=us-gaap_IntersegmentEliminationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=nbr_OtherRegionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ConsolidationItemsAxis=nbr_EliminationsAndReconcilingItemsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |