OTHER OPERATING ASSETS AND LIABILITIES - Additional Information (Details) - CHF (SFr) SFr in Millions |
1 Months Ended | 5 Months Ended | 12 Months Ended | |
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Aug. 31, 2025 |
Dec. 31, 2025 |
Dec. 31, 2025 |
Dec. 31, 2024 |
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| Disclosure Of Other Operating Assets And Liabilities [Abstract] | ||||
| Write-downs of inventories to the net realizable value | SFr 2.1 | SFr 0.7 | ||
| Value of inventories recognised as expense during period | SFr 226.5 | SFr 226.1 | ||
| Adjustments for increase (decrease) in other liabilities | SFr 216.0 | |||
| Increase in other noncurrent liabilities | SFr 182.4 | |||
| Decrease in other current liabilities | SFr 40.1 | |||
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- Definition Adjustments for increase (decrease) in other current liabilities to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Other current liabilities; Profit (loss)] Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Adjustments for increase (decrease) in other liabilities to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Other liabilities; Profit (loss)] Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- References Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Adjustments For Increase (Decrease) In Other Noncurrent Liabilities No definition available.
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- Definition Disclosure Of Other Operating Assets And Liabilities No definition available.
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