XML 16 R21.htm IDEA: XBRL DOCUMENT
v3.20.1

Cash Dividends | 3 Months Ended
--- | ---
Mar. 31, 2020
Text Block [Abstract] |
Cash Dividends |
1 3. | Cash Dividends
On February 27, 2020, the Company announced that its Board of Directors declared a cash dividend of $0.05 per share. The cash dividend was paid on March 27, 2020, to each stockholder of record on March 13, 2020. Cash dividends were $19 million for both the three months ended March 31, 2020 and 2019. The declaration and payment of future dividends is at the discretion of the Company’s Board of Directors and will be dependent upon the Company’s results of operations, financial condition, capital requirements and other factors deemed relevant by the Company’s Board of Directors.

X
- Definition Cash dividends. + References No definition available. + Details
Name: | nov_CashDividendsTextBlock
Namespace Prefix: | nov_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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