Retirement benefit obligations - Contributions and funding (Details) - CHF (SFr) |
12 Months Ended | |
|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
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| Defined benefit plans | ||
| Estimate of contributions expected to be paid to plan for next annual reporting period | SFr 113,000 | |
| Actuarial (loss)/ gain on defined benefit obligation | (246,565) | SFr (224,221) |
| Actuarial loss on plan assets | 31,988 | 21,832 |
| Total | SFr (214,577) | (202,389) |
| Discontinued operations | ||
| Defined benefit plans | ||
| Actuarial (loss)/ gain on defined benefit obligation | (136,671) | |
| Actuarial loss on plan assets | 89,323 | |
| Total | SFr (47,348) | |
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- Definition Actuarial gains (losses), net defined benefit liability (asset) No definition available.
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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table. No definition available.
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- Definition The estimate of the expected contributions to be made to a defined benefit plan for the next annual reporting period. [Refer: Defined benefit plans [domain]] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The amount of other comprehensive income, net of tax, related to gains (losses) on remeasurements of defined benefit plans, which comprise actuarial gains and losses; the return on plan assets, excluding amounts included in net interest on the net defined benefit liability (asset); and any change in the effect of the asset ceiling, excluding amounts included in net interest on the net defined benefit liability (asset). [Refer: Other comprehensive income; Defined benefit plans [domain]; Plan assets [member]; Net defined benefit liability (asset)] [Contrast: Decrease (increase) in net defined benefit liability (asset) resulting from gain (loss) on remeasurement in other comprehensive income] Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition The amount of other comprehensive income, net of tax, resulting from the return on plan assets, excluding amounts included in interest expense (income) arising from defined benefit plans. The return on plan assets is interest, dividends and other revenue derived from the plan assets, together with realised and unrealised gains or losses on the plan assets, less any costs of managing plan assets and less any tax payable by the plan itself, other than tax included in the actuarial assumptions used to measure the present value of the defined benefit obligation. [Refer: Other comprehensive income; Defined benefit plans [domain]; Plan assets [member]; Other comprehensive income, net of tax, gains (losses) on remeasurements of defined benefit plans] [Contrast: Decrease (increase) in net defined benefit liability (asset) resulting from return on plan assets excluding interest income or expense] Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Details
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