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v3.23.3

CECL (Details 3) SFr in Millions | Jun. 30, 2023 CHF (SFr)
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Debt Securities, Held-to-maturity, Allowance for Credit Loss [Roll Forward] |
Debt Securities, Held-to-maturity, Allowance for Credit Loss, Beginning Balance | SFr (0)
Debt Securities, Held-to-maturity, Allowance for Credit Loss, Ending Balance | (0)
Debt securities issued by foreign governments |
Debt Securities, Held-to-maturity, Allowance for Credit Loss [Roll Forward] |
Debt Securities, Held-to-maturity, Allowance for Credit Loss, Beginning Balance | (0)
Debt Securities, Held-to-maturity, Allowance for Credit Loss, Ending Balance | SFr (0)

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- Definition Amount of allowance for credit loss for debt security measured at amortized cost (held-to-maturity). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919249-210447 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (aaa) -URI https://asc.fasb.org/extlink&oid=126970911&loc=d3e27232-111563 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 45 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=124255206&loc=SL82895884-210446 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -Subparagraph (f) -URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919249-210447 + Details
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Balance Type: | credit
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
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- Details
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Balance Type: |
Period Type: |