Income taxes - Net Deferred Tax Assets and Liabilities (Details) - CHF (SFr) SFr in Millions |
12 Months Ended | ||
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Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
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| Income Taxes [Abstract] | |||
| Net amount at January 1 | SFr 59.1 | SFr 13.9 | SFr (3.4) |
| thereof deferred tax assets | 69.5 | 31.7 | 2.2 |
| thereof deferred tax liabilities | (10.5) | (17.9) | (5.6) |
| Taxes charged | |||
| to income statement | 46.2 | 18.6 | SFr (3.6) |
| to other comprehensive income | 0.7 | (0.9) | |
| Exchange differences | (1.6) | (0.4) | |
| Net amount at December 31 | SFr 13.9 | SFr (3.4) | |
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- Definition The amounts of income taxes recoverable in future periods in respect of: (a) deductible temporary differences; (b) the carryforward of unused tax losses; and (c) the carryforward of unused tax credits. [Refer: Temporary differences [member]; Unused tax credits [member]; Unused tax losses [member]] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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- Definition The amount of tax expense or income relating to changes in deferred tax liabilities and deferred tax assets, recognised in profit or loss. [Refer: Deferred tax assets; Deferred tax expense (income); Deferred tax liabilities] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The amounts of income taxes payable in future periods in respect of taxable temporary differences. [Refer: Temporary differences [member]] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The amount of deferred tax liabilities or assets. [Refer: Deferred tax liabilities; Deferred tax assets] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The amount of income tax relating to amounts recognised in other comprehensive income. [Refer: Other comprehensive income] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The increase (decrease) in deferred tax liability (asset) resulting from the net exchange differences arising when the financial statements are translated from the functional currency into a different presentation currency, including the translation of a foreign operation into the presentation currency of the reporting entity. [Refer: Deferred tax liability (asset)] Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Income Taxes [Abstract] No definition available.
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