XML 46 R31.htm IDEA: XBRL DOCUMENT
v3.23.1

Leases (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2023
Leases [Abstract] |
Schedule of Components of Leases | Components of leases are as follows (in millions):
|  | March 31, |  |  | December 31, |
|  | 2023 |  |  | 2022 |
Current portion of lease liabilities: |  |  |  |  |  |
Operating |  | $ | 68 |  |  | $ | 67 |
Financing |  |  | 21 |  |  |  | 20 |
Total |  | $ | 89 |  |  | $ | 87 |
|  | March 31, |  |  | December 31, |
|  | 2023 |  |  | 2022 |
Long-term portion of lease liabilities: |  |  |  |  |  |
Operating |  | $ | 341 |  |  | $ | 334 |
Financing |  |  | 215 |  |  | $ | 215 |
Total |  | $ | 556 |  |  | $ | 549 |

X
- Definition Tabular disclosure of components of leases. + References No definition available. + Details
Name: | nov_ComponentsOfLeasesTableTextBlock
Namespace Prefix: | nov_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

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