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Trading assets and liabilities (Details) - CHF (SFr) SFr in Millions | Jun. 30, 2022 | Mar. 31, 2022 | Dec. 31, 2021
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Schedule of Trading Assets and Liabilities |  |  |
Trading assets | SFr 101,095 | SFr 106,971 | SFr 111,141
Trading liabilities | 29,967 | 28,184 | 27,535
Debt securities |  |  |
Schedule of Trading Assets and Liabilities |  |  |
Trading assets | 57,030 | 52,565 | 54,198
Equity securities |  |  |
Schedule of Trading Assets and Liabilities |  |  |
Trading assets | 24,711 | 34,097 | 36,546
Derivative instruments |  |  |
Schedule of Trading Assets and Liabilities |  |  |
Trading assets | 16,069 | 16,810 | 17,559
Trading liabilities | 15,952 | 12,366 | 10,846
Other trading securities |  |  |
Schedule of Trading Assets and Liabilities |  |  |
Trading assets | 3,285 | 3,499 | 2,838
Short positions |  |  |
Schedule of Trading Assets and Liabilities |  |  |
Trading liabilities | 14,015 | SFr 15,818 | 16,689
Bank |  |  |
Schedule of Trading Assets and Liabilities |  |  |
Trading assets | 101,232 |  | 111,299
Trading liabilities | 29,967 |  | 27,539
Bank | Debt securities |  |  |
Schedule of Trading Assets and Liabilities |  |  |
Trading assets | 57,130 |  | 54,297
Bank | Equity securities |  |  |
Schedule of Trading Assets and Liabilities |  |  |
Trading assets | 24,748 |  | 36,606
Bank | Derivative instruments |  |  |
Schedule of Trading Assets and Liabilities |  |  |
Trading assets | 16,069 |  | 17,559
Trading liabilities | 15,952 |  | 10,846
Bank | Other trading securities |  |  |
Schedule of Trading Assets and Liabilities |  |  |
Trading assets | 3,285 |  | 2,837
Bank | Short positions |  |  |
Schedule of Trading Assets and Liabilities |  |  |
Trading liabilities | SFr 14,015 |  | SFr 16,693

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or more axes to the table. + References No definition available. + Details
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- Definition The carrying amount of liabilities as of the balance sheet date that pertain to principal and customer trading transactions, or which may be incurred with the objective of generating a profit from short-term fluctuations in price as part of an entity's market-making, hedging and proprietary trading. Examples include short positions in securities, derivatives and commodities, obligations under repurchase agreements, and securities borrowed arrangements. + References No definition available. + Details
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- Definition Amount of investment in debt security measured at fair value with change in fair value recognized in net income (trading) and investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.4) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 + Details
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