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Shareholders' equity Dividends Declared (Details) | 3 Months Ended | 9 Months Ended
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Sep. 30, 2022 SFr / shares | Sep. 30, 2022 $ / shares | Sep. 30, 2021 SFr / shares | Sep. 30, 2021 $ / shares | Sep. 30, 2022 SFr / shares | Sep. 30, 2022 $ / shares | Sep. 30, 2021 SFr / shares | Sep. 30, 2021 $ / shares
United States of America, Dollars |  |  |  |  |  |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |  |  |  |
Common Stock, Dividends, Per Share, Declared | $ / shares |  | $ 0.83 |  | $ 0.80 |  | $ 2.46 |  | $ 2.38
Switzerland, Francs |  |  |  |  |  |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |  |  |  |
Common Stock, Dividends, Per Share, Declared | SFr / shares | SFr 0.78 |  | SFr 0.73 |  | SFr 2.32 |  | SFr 2.14 |

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- Definition Aggregate dividends declared during the period for each share of common stock outstanding. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI https://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Details
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