XML 94 R81.htm IDEA: XBRL DOCUMENT v3.24.0.1

Revenue - Summary of Disaggregate Revenue by Destinations (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Disaggregation of Revenue [Line Items]
Disaggregate revenue	$ 8,583	$ 7,237	$ 5,524
Continental [Member] | North America [Member]
Disaggregation of Revenue [Line Items]
Disaggregate revenue	3,256	2,879	1,968
Continental [Member] | International [Member]
Disaggregation of Revenue [Line Items]
Disaggregate revenue	5,327	4,358	3,556
Land and Offshore [Member] | Land Destination [Member]
Disaggregation of Revenue [Line Items]
Disaggregate revenue	4,785	4,147	3,063
Land and Offshore [Member] | Offshore Destination [Member]
Disaggregation of Revenue [Line Items]
Disaggregate revenue	3,798	3,090	2,461
Operating Segments [Member] | Wellbore Technologies [Member]
Disaggregation of Revenue [Line Items]
Disaggregate revenue	3,172	2,777	1,959
Operating Segments [Member] | Wellbore Technologies [Member] | Continental [Member] | North America [Member]
Disaggregation of Revenue [Line Items]
Disaggregate revenue	1,530	1,407	904
Operating Segments [Member] | Wellbore Technologies [Member] | Continental [Member] | International [Member]
Disaggregation of Revenue [Line Items]
Disaggregate revenue	1,547	1,306	991
Operating Segments [Member] | Wellbore Technologies [Member] | Continental [Member] | Intersubsegment Eliminations [Member]
Disaggregation of Revenue [Line Items]
Disaggregate revenue	95	64	64
Operating Segments [Member] | Wellbore Technologies [Member] | Land and Offshore [Member] | Land Destination [Member]
Disaggregation of Revenue [Line Items]
Disaggregate revenue	2,295	2,066	1,423
Operating Segments [Member] | Wellbore Technologies [Member] | Land and Offshore [Member] | Offshore Destination [Member]
Disaggregation of Revenue [Line Items]
Disaggregate revenue	782	647	472
Operating Segments [Member] | Wellbore Technologies [Member] | Land and Offshore [Member] | Intersubsegment Eliminations [Member]
Disaggregation of Revenue [Line Items]
Disaggregate revenue	95	64	64
Operating Segments [Member] | Completion & Production Solutions [Member]
Disaggregation of Revenue [Line Items]
Disaggregate revenue	3,034	2,588	1,963
Operating Segments [Member] | Completion & Production Solutions [Member] | Continental [Member] | North America [Member]
Disaggregation of Revenue [Line Items]
Disaggregate revenue	1,238	1,024	789
Operating Segments [Member] | Completion & Production Solutions [Member] | Continental [Member] | International [Member]
Disaggregation of Revenue [Line Items]
Disaggregate revenue	1,704	1,511	1,131
Operating Segments [Member] | Completion & Production Solutions [Member] | Continental [Member] | Intersubsegment Eliminations [Member]
Disaggregation of Revenue [Line Items]
Disaggregate revenue	92	53	43
Operating Segments [Member] | Completion & Production Solutions [Member] | Land and Offshore [Member] | Land Destination [Member]
Disaggregation of Revenue [Line Items]
Disaggregate revenue	1,784	1,538	1,250
Operating Segments [Member] | Completion & Production Solutions [Member] | Land and Offshore [Member] | Offshore Destination [Member]
Disaggregation of Revenue [Line Items]
Disaggregate revenue	1,158	997	670
Operating Segments [Member] | Completion & Production Solutions [Member] | Land and Offshore [Member] | Intersubsegment Eliminations [Member]
Disaggregation of Revenue [Line Items]
Disaggregate revenue	92	53	43
Operating Segments [Member] | Rig Technologies [Member]
Disaggregation of Revenue [Line Items]
Disaggregate revenue	2,608	2,034	1,739
Operating Segments [Member] | Rig Technologies [Member] | Continental [Member] | North America [Member]
Disaggregation of Revenue [Line Items]
Disaggregate revenue	488	448	275
Operating Segments [Member] | Rig Technologies [Member] | Continental [Member] | International [Member]
Disaggregation of Revenue [Line Items]
Disaggregate revenue	2,076	1,541	1,434
Operating Segments [Member] | Rig Technologies [Member] | Continental [Member] | Intersubsegment Eliminations [Member]
Disaggregation of Revenue [Line Items]
Disaggregate revenue	44	45	30
Operating Segments [Member] | Rig Technologies [Member] | Land and Offshore [Member] | Land Destination [Member]
Disaggregation of Revenue [Line Items]
Disaggregate revenue	706	543	390
Operating Segments [Member] | Rig Technologies [Member] | Land and Offshore [Member] | Offshore Destination [Member]
Disaggregation of Revenue [Line Items]
Disaggregate revenue	1,858	1,446	1,319
Operating Segments [Member] | Rig Technologies [Member] | Land and Offshore [Member] | Intersubsegment Eliminations [Member]
Disaggregation of Revenue [Line Items]
Disaggregate revenue	44	45	30
Intersegment Eliminations [Member]
Disaggregation of Revenue [Line Items]
Disaggregate revenue	(231)	(162)	(137)
Intersegment Eliminations [Member] | Continental [Member] | Intersubsegment Eliminations [Member]
Disaggregation of Revenue [Line Items]
Disaggregate revenue	(231)	(162)	(137)
Intersegment Eliminations [Member] | Land and Offshore [Member] | Intersubsegment Eliminations [Member]
Disaggregation of Revenue [Line Items]
Disaggregate revenue	$ (231)	$ (162)	$ (137)

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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479806/606-10-50-5

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 91
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479777/606-10-55-91

Reference 3: http://www.xbrl.org/2003/role/exampleRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 91
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479777/606-10-55-91

Reference 4: http://www.xbrl.org/2003/role/exampleRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 91
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479777/606-10-55-91

Reference 5: http://www.xbrl.org/2003/role/exampleRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 91
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479777/606-10-55-91

Reference 6: http://www.xbrl.org/2003/role/exampleRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 91
-Subparagraph (e)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479777/606-10-55-91

Reference 7: http://www.xbrl.org/2003/role/exampleRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 91
-Subparagraph (f)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479777/606-10-55-91

Reference 8: http://www.xbrl.org/2003/role/exampleRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 91
-Subparagraph (g)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479777/606-10-55-91

+ 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
-Topic 924
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 11.L)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479941/924-10-S99-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479806/606-10-50-5

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 30
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482810/280-10-50-30

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 42
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482810/280-10-50-42

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 22
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482810/280-10-50-22

Reference 6: http://www.xbrl.org/2003/role/disclosureRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 32
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482810/280-10-50-32

Reference 7: http://www.xbrl.org/2003/role/disclosureRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 40
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482810/280-10-50-40

Reference 8: http://www.xbrl.org/2003/role/disclosureRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 22
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482810/280-10-50-22

Reference 9: http://www.xbrl.org/2003/role/disclosureRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 32
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482810/280-10-50-32

Reference 10: http://www.xbrl.org/2003/role/disclosureRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 41
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482810/280-10-50-41

Reference 11: http://www.xbrl.org/2003/role/disclosureRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479806/606-10-50-4

+ Details

Name:	us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Details

Name:	us-gaap_SubsegmentsAxis=nov_ContinentalMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_StatementGeographicalAxis=srt_NorthAmericaMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_StatementGeographicalAxis=nov_InternationalMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_SubsegmentsAxis=nov_LandAndOffshoreMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_StatementGeographicalAxis=nov_LandDestinationMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_StatementGeographicalAxis=nov_OffshoreDestinationMember
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:	us-gaap_StatementBusinessSegmentsAxis=nov_WellboreTechnologiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_SubsegmentsConsolidationItemsAxis=us-gaap_IntersubsegmentEliminationsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=nov_CompletionAndProductionSolutionsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=nov_RigTechnologiesMember
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: