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Defined contribution and defined benefit retirement - Summary of Actuarial Assumptions Used to Benefit Obligations (Detail) - Pension Plans Defined Benefit [Member] - Non U.S.	Dec. 31, 2023	Dec. 31, 2022
Pension Plans Postretirement And Other Employee Benefits [Line Items]
Discount rate	3.40%	3.90%
Increase in future compensation levels	2.70%	2.70%

X

- Definition

Weighted average rate for present value of future retirement benefits cash flows, used to determine benefit obligation of defined benefit plan.

+ References

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

+ Details

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X

- Definition

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.

+ References

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

+ Details

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X

- Definition

Pension plans postretirement and other employee benefits.

+ References

No definition available.

+ Details

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- Details

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- Details

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