XML 43 R31.htm IDEA: XBRL DOCUMENT v3.20.1

Leases (Tables)

3 Months Ended

Mar. 31, 2020

Leases [Abstract]

Schedule of Components of Leases

Components of leases are as follows (in millions):

		March 31,				December 31,
		2020				2019
Current portion of lease liabilities:
Operating		$	83			$	84
Financing			32				30
Total		$	115			$	114
		March 31,				December 31,
		2020				2019
Long-term portion of lease liability:
Operating		$	394			$	424
Financing			252			$	250
Total		$	646			$	674

X

- Definition

Tabular disclosure of components of leases.

+ References

No definition available.

+ Details

Name:	nov_ComponentsOfLeasesTableTextBlock
Namespace Prefix:	nov_
Data Type:	nonnum: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