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Transactions with related parties (Details 2) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($) | Dec. 31, 2021 CHF (SFr) | Dec. 31, 2020 USD ($) | Dec. 31, 2020 CHF (SFr) | Dec. 31, 2018 USD ($)
Disclosure of transactions between related parties [line items] |  |  |  |  |  |
Key management personnel compensation | $ 79.8 | $ 70.0 |  | $ 79.2 |  |
Novartis Pension Fund [member] |  |  |  |  |  |
Disclosure of transactions between related parties [line items] |  |  |  |  |  |
Borrowings credit facility uncommitted |  |  |  |  |  | $ 500.0
Key management personnel of entity or parent [member] |  |  |  |  |  |
Disclosure of transactions between related parties [line items] |  |  |  |  |  |
Key management personnel compensation | $ 70.4 | $ 60.1 |  | $ 69.4 |  |
Dr. Alex Krauer [member] |  |  |  |  |  |
Disclosure of transactions between related parties [line items] |  |  |  |  |  |
Key management personnel compensation | SFr |  |  | SFr 60,000 |  | SFr 60,000 |

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