Cash-based awards (Details 5) SFr in Millions	6 Months Ended
Jun. 30, 2022 CHF (SFr)
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]
Estimated unrecognized compensation expense	SFr 2,316
Contingent Capital Awards (CCA)
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]
Estimated unrecognized compensation expense	130
Bank
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]
Estimated unrecognized compensation expense	SFr 2,227
Bank \| Contingent Capital Awards (CCA)
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]
Deferred Compensation Arrangement with Individual, Description	In 6M22, the Bank awarded CHF 71 million of CCA. CCA are scheduled to vest on the third anniversary of the grant date, other than those granted to individuals classified as MRTs, risk manager MRTs or senior managers or equivalents under the EU or UK Capital Requirements Directive V related provisions. As of February 2022, CCA granted to MRTs, risk manager MRTs and senior managers vest on the fourth, fifth and seventh anniversaries of the grant date, respectively, and will be expensed over the vesting period.
Deferred Compensation Arrangement with Individual, Cash Award Granted, Amount	SFr 71
Estimated unrecognized compensation expense	SFr 124
Bank \| Contingent Capital Awards (CCA) \| Cliff vesting [Member]
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]
Deferred Compensation Arrangement with Individual, Maximum Contractual Term	3 years
Bank \| Contingent Capital Awards (CCA) \| UK PRA staff or similuar regulations, Risk takers \| Cliff vesting [Member]
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]
Deferred Compensation Arrangement with Individual, Maximum Contractual Term	4 years
Bank \| Contingent Capital Awards (CCA) \| UK PRA staff or similuar regulations, Senior managemement \| Cliff vesting [Member]
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]
Deferred Compensation Arrangement with Individual, Maximum Contractual Term	7 years
Bank \| Contingent Capital Awards (CCA) \| Risk manager MRTs \| Cliff vesting [Member]
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]
Deferred Compensation Arrangement with Individual, Maximum Contractual Term	5 years

Amount of commitment made to pay deferred cash remuneration.

No definition available.

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- Definition

Description of the deferred compensation arrangement, including fixed amounts and determinable awards, or the method for determining payments and awards, the timing of such payments and awards, and any requisite service or performance criteria, as of the balance sheet date.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 710
-SubTopic 10
-Section 55
-Paragraph 7
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5047-113901

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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 many axes to the table.

+ References

No definition available.

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- Definition

Maximum term of the deferred compensation arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
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-Publisher FASB
-Name Accounting Standards Codification
-Topic 710
-SubTopic 10
-Section 55
-Paragraph 7
-URI http://asc.fasb.org/extlink&oid=6409961&loc=d3e20487-108367

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- Definition

Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

+ References

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