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Trading revenues (Details) - CHF (SFr) SFr in Millions | 6 Months Ended
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Jun. 30, 2023 | Jun. 30, 2022
Trading revenues |  |
Trading revenues | SFr (2,146) | SFr (46)
Interest rate products |  |
Trading revenues |  |
Trading revenues | (1,728) | (896)
Foreign exchange products |  |
Trading revenues |  |
Trading revenues | 332 | (132)
Equity/index-related products |  |
Trading revenues |  |
Trading revenues | 92 | 380
Credit products |  |
Trading revenues |  |
Trading revenues | (311) | 1,039
Commodity, emission and energy products |  |
Trading revenues |  |
Trading revenues | (23) | 40
Other trading securities |  |
Trading revenues |  |
Trading revenues | SFr (508) | SFr (477)

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- Definition Amount of gain (loss) resulting from the difference between the acquisition price and the selling price or fair value of trading assets and trading liabilities, conducted separately from customer trading activities. Includes, but is not limited to, changes in fair value of trading assets and trading liabilities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4F -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5624186-113959 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 940 -SubTopic 320 -Section 35 -Paragraph 3 -URI https://asc.fasb.org/extlink&oid=35711043&loc=d3e42454-110968 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 940 -SubTopic 320 -Section 45 -Paragraph 5 -URI https://asc.fasb.org/extlink&oid=35711157&loc=d3e42567-110969 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.13(e)) -URI https://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260 + Details
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