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Income Taxes - Summary of Income Tax Examinations (Details) - Earliest period	12 Months Ended
	Dec. 31, 2020
Australia
Earliest tax year subject to audit, by jurisdiction
Earliest tax year subject to audit	2012
Austria
Earliest tax year subject to audit, by jurisdiction
Earliest tax year subject to audit	2014
Belgium
Earliest tax year subject to audit, by jurisdiction
Earliest tax year subject to audit	2016
Canada
Earliest tax year subject to audit, by jurisdiction
Earliest tax year subject to audit	2016
Netherlands
Earliest tax year subject to audit, by jurisdiction
Earliest tax year subject to audit	2015
Singapore
Earliest tax year subject to audit, by jurisdiction
Earliest tax year subject to audit	2015
Switzerland
Earliest tax year subject to audit, by jurisdiction
Earliest tax year subject to audit	2019
United Kingdom
Earliest tax year subject to audit, by jurisdiction
Earliest tax year subject to audit	2018
United States
Earliest tax year subject to audit, by jurisdiction
Earliest tax year subject to audit	2017

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+ References

No definition available.

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- Definition

Tax year that remains open to examination under enacted tax laws, in CCYY format.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 15
-Subparagraph (e)
-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32718-109319

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