Post-employment benefit obligations - Disclosure of principal actuarial assumptions (Details) |
Dec. 31, 2025 |
Dec. 31, 2024 |
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| Schedule Of Amounts Recognized In Consolidated Statements Of Financial Position [Abstract] | ||
| Discount rate (expense) | 5.50% | 4.75% |
| Discount rate (year end disclosures) | 5.50% | 5.50% |
| Future salary increases (salaried plan only) | 5.00% | 5.00% |
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- Definition The discount rate used as the significant actuarial assumption to determine the present value of a defined benefit obligation. [Refer: Defined benefit obligation, at present value; Actuarial assumptions [domain]] Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition The expected rate of salary increases used as a significant actuarial assumption to determine the present value of a defined benefit obligation. [Refer: Defined benefit plans [domain]; Defined benefit obligation, at present value; Actuarial assumptions [domain]] Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Any other material assumption used as a significant actuarial assumption to determine the present value of a defined benefit obligation. [Refer: Actuarial assumptions [domain]; Defined benefit obligation, at present value] Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Represents schedule of amounts recognized inconsolidated statements of financial position abstract. No definition available.
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