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Pension and other post-retirement benefits - Contributions (Details 7) - CHF (SFr) SFr in Millions | 3 Months Ended | 6 Months Ended
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Jun. 30, 2022 | Mar. 31, 2022 | Jun. 30, 2021 | Jun. 30, 2022 | Jun. 30, 2021
Defined Contribution Pension and Other Postretirement Plans Disclosure |  |  |  |  |
Contributions made by the Entity to defined contribution pension plans | SFr 66 | SFr 63 | SFr 60 | SFr 129 | SFr 130
Bank |  |  |  |  |
Defined Contribution Pension and Other Postretirement Plans Disclosure |  |  |  |  |
Contributions made by the Entity to defined contribution pension plans |  |  |  | SFr 222 | SFr 243

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- Definition Amount of cost for defined contribution plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 70 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=49170846&loc=d3e28014-114942 + Details
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