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CECL (Details 12) - CHF (SFr) SFr in Millions | Jun. 30, 2022 | Dec. 31, 2021
--- | --- | ---
Financing Receivable, Recorded Investment [Line Items] |  |
Origination in current year | SFr 0 | SFr 5
Origination in current year-1 | 3 | 0
Origination in current year-2 | 0 | 0
Origination in current year-3 | 0 | 63
Origination in current year-4 | 59 | 2
Origination 5 years or more | 3 | 2
Total term positions | 65 | 72
Revolving positions | 1,236 | 970
Other financial assets held at amortized cost, total | 1,301 | 1,042
Investment grade | AAA to BBB |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Origination in current year | 0 | 0
Origination in current year-1 | 0 | 0
Origination in current year-2 | 0 | 0
Origination in current year-3 | 0 | 0
Origination in current year-4 | 0 | 0
Origination 5 years or more | 0 | 0
Total term positions | 0 | 0
Revolving positions | 0 | 0
Other financial assets held at amortized cost, total | 0 | 0
Non-investment grade | BB to C |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Origination in current year | 0 | 5
Origination in current year-1 | 3 | 0
Origination in current year-2 | 0 | 0
Origination in current year-3 | 0 | 63
Origination in current year-4 | 59 | 2
Origination 5 years or more | 3 | 2
Total term positions | 65 | 72
Revolving positions | 1,236 | 970
Other financial assets held at amortized cost, total | 1,301 | 1,042
Non-investment grade | D |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Origination in current year | 0 | 0
Origination in current year-1 | 0 | 0
Origination in current year-2 | 0 | 0
Origination in current year-3 | 0 | 0
Origination in current year-4 | 0 | 0
Origination 5 years or more | 0 | 0
Total term positions | 0 | 0
Revolving positions | 0 | 0
Other financial assets held at amortized cost, total | 0 | 0
Bank |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Origination in current year | 0 | 5
Origination in current year-1 | 3 | 0
Origination in current year-2 | 0 | 0
Origination in current year-3 | 0 | 63
Origination in current year-4 | 59 | 2
Origination 5 years or more | 3 | 2
Total term positions | 65 | 72
Revolving positions | 1,236 | 970
Other financial assets held at amortized cost, total | 1,301 | 1,042
Bank | Investment grade | AAA to BBB |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Origination in current year | 0 | 0
Origination in current year-1 | 0 | 0
Origination in current year-2 | 0 | 0
Origination in current year-3 | 0 | 0
Origination in current year-4 | 0 | 0
Origination 5 years or more | 0 | 0
Total term positions | 0 | 0
Revolving positions | 0 | 0
Other financial assets held at amortized cost, total | 0 | 0
Bank | Non-investment grade | BB to C |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Origination in current year | 0 | 5
Origination in current year-1 | 3 | 0
Origination in current year-2 | 0 | 0
Origination in current year-3 | 0 | 63
Origination in current year-4 | 59 | 2
Origination 5 years or more | 3 | 2
Total term positions | 65 | 72
Revolving positions | 1,236 | 970
Other financial assets held at amortized cost, total | 1,301 | 1,042
Bank | Non-investment grade | D |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Origination in current year | 0 | 0
Origination in current year-1 | 0 | 0
Origination in current year-2 | 0 | 0
Origination in current year-3 | 0 | 0
Origination in current year-4 | 0 | 0
Origination 5 years or more | 0 | 0
Total term positions | 0 | 0
Revolving positions | 0 | 0
Other financial assets held at amortized cost, total | SFr 0 | SFr 0

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