Acquisitions And Divestures	12 Months Ended
Dec. 31, 2021
Business Combinations [Abstract]
Acquisitions And Divestures	4. ACQUISITIONS AND DIVESTURES We had no significant acquisitions during the years ended December 31, 2021, 2020 and 2019. We had no significant divestures during the years ended December 31, 2021 and 2020. In 2019, we completed the divestment of our business of permanent downhole monitoring systems and related services, and concluded the final adjustment to the purchase agreement in 2020. See Note 20 - Discontinued Operations for further details.

The entire disclosure for a business combination (or series of individually immaterial business combinations) completed during the period, including background, timing, and recognized assets and liabilities. The disclosure may include leverage buyout transactions (as applicable).

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-URI http://asc.fasb.org/topic&trid=2303972

Name:	us-gaap_BusinessCombinationDisclosureTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration