Defined contribution and defined benefit retirement plans - Summary of Actuarial Assumptions Used to Benefit Obligations (Details) - Pension plans defined benefit - Non U.S.	Dec. 31, 2024	Dec. 31, 2023
Pension Plans Postretirement And Other Employee Benefits [Line Items]
Discount rate	3.60%	3.40%
Increase in future compensation levels	2.80%	2.70%

Weighted average rate increase of compensation, used to determine benefit obligation of defined benefit plan. Plan includes, but is not limited to, pay-related defined benefit plan.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 715
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (k)(2)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480506/715-20-50-1

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