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CECL (Details 9) - CHF (SFr) SFr in Millions | Jun. 30, 2022 | Dec. 31, 2021
--- | --- | ---
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Other financial assets held at amortized cost, past due | SFr 0 | SFr 0
Other financial assets held at amortized cost, total | 1,301 | 1,042
Bank |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Other financial assets held at amortized cost, total | SFr 1,301 | SFr 1,042

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