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Shareholders' Equity - Narrative (Details) | 1 Months Ended | 3 Months Ended | 9 Months Ended |
--- | --- | --- | --- | ---
Apr. 30, 2021 USD ($) | May 31, 2020 USD ($) shares | Dec. 31, 2021 USD ($) $ / shares | Dec. 31, 2021 USD ($) $ / shares | Dec. 31, 2021 USD ($) SFr / shares | Dec. 31, 2020 USD ($) $ / shares | Dec. 31, 2020 SFr / shares | Mar. 31, 2017 USD ($) shares
Class of Stock [Line Items] |  |  |  |  |  |  |  |
Cash dividends per share (in dollars per share) | (per share) |  |  | $ 0.95 | $ 0.95 | SFr 0.87 | $ 0.87 | SFr 0.79 |
Payment of cash dividends |  |  |  | $ 159,410,000 |  | $ 146,705,000 |  |
March 2017 |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |
Authorized amount in buyback program |  |  |  |  |  |  |  | $ 250,000,000
Shares authorized to be repurchased (in shares) | shares |  |  |  |  |  |  |  | 17,300,000
May 2020 |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |
Authorized amount in buyback program |  | $ 250,000,000 |  |  |  |  |  |
Shares authorized to be repurchased (in shares) | shares |  | 17,300,000 |  |  |  |  |  |
Period to complete share repurchase program |  | 3 years |  |  |  |  |  |
Increase in authorized amount | $ 750,000,000 |  |  |  |  |  |  |
Amount available for repurchase |  |  | $ 545,000,000.0 | $ 545,000,000.0 | SFr 545,000,000.0 |  |  |
April 2021 |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |
Authorized amount in buyback program | $ 1,000,000,000 |  |  |  |  |  |  |

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