Cash and cash equivalents and short-term time deposits - Narrative (Details) |
Dec. 31, 2025
bank
position
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Dec. 31, 2024
position
bank
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|---|---|---|
| CHF | ||
| Disclosure Of Detailed Information About Cash, Cash Equivalents And Short-Term Time Deposits [Line Items] | ||
| Number of short-term time deposit positions | position | 2 | 5 |
| Number of banks where deposits are held | bank | 2 | 3 |
| USD | ||
| Disclosure Of Detailed Information About Cash, Cash Equivalents And Short-Term Time Deposits [Line Items] | ||
| Number of short-term time deposit positions | position | 5 | |
| Number of banks where deposits are held | bank | 3 |