Business developments - Registered shares (Details 3) - CHF (SFr)
shares in Millions, SFr in Millions |
Dec. 31, 2021 |
Nov. 12, 2021 |
Dec. 31, 2020 |
Aug. 01, 2018 |
Nov. 04, 2013 |
| Chase Nominees Ltd. | Shareholder registered in share register [Member] |
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| Related party disclosures |
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| Shares held by related party |
304.0
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323.0
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| Investment Owned, Face Amount |
SFr 12
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SFr 13
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| Portion of registered Group shares held by related party (as a percent) |
11.48%
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13.21%
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| Qatar Holding LLC |
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| Related party disclosures |
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| Shares held by related party |
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133.2
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| Portion of registered Group shares held by related party (as a percent) |
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5.03%
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| Harris Associates LP |
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| Related party disclosures |
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| Shares held by related party |
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81.5
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| Portion of registered Group shares held by related party (as a percent) |
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5.17%
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| Nortrust Nominees Ltd. | Shareholder registered in share register [Member] |
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| Related party disclosures |
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| Shares held by related party |
197.0
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184.0
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| Investment Owned, Face Amount |
SFr 8
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SFr 7
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| Portion of registered Group shares held by related party (as a percent) |
7.42%
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7.53%
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| The Bank of New York Mellon | Shareholder registered in share register [Member] |
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| Related party disclosures |
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| Shares held by related party |
139.0
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| Investment Owned, Face Amount |
SFr 6
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| Portion of registered Group shares held by related party (as a percent) |
5.25%
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| Harris Associates Investment Trust |
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| Related party disclosures |
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| Portion of registered Group shares held by related party (as a percent) |
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4.97%
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