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Pension and other post-employment benefits - Schedule of Target Plan Asset Allocation (Details)	Dec. 31, 2024
Defined Benefit Plan Disclosure [Line Items]
Target allocation percentage	100.00%
Equity securities
Defined Benefit Plan Disclosure [Line Items]
Target allocation percentage	44.00%
Debt securities
Defined Benefit Plan Disclosure [Line Items]
Target allocation percentage	46.00%
Other
Defined Benefit Plan Disclosure [Line Items]
Target allocation percentage	10.00%
Minimum | Equity securities
Defined Benefit Plan Disclosure [Line Items]
Target allocation percentage	30.00%
Minimum | Debt securities
Defined Benefit Plan Disclosure [Line Items]
Target allocation percentage	20.00%
Minimum | Other
Defined Benefit Plan Disclosure [Line Items]
Target allocation percentage	0.00%
Maximum | Equity securities
Defined Benefit Plan Disclosure [Line Items]
Target allocation percentage	100.00%
Maximum | Debt securities
Defined Benefit Plan Disclosure [Line Items]
Target allocation percentage	60.00%
Maximum | Other
Defined Benefit Plan Disclosure [Line Items]
Target allocation percentage	20.00%

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Percentage of target investment allocation to total plan assets. Includes, but is not limited to, percentage on weighted-average basis if more than one plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 715
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 17
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480482/715-20-55-17

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

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