Revenue from contracts with customers (Tables)
 12 Months Ended
Dec. 31, 2021
Contract with Customer, Asset and Liability [Table Text Block]
Contracts with customers and disaggregation of revenues
in 2021 2020 2019
Contracts with customers (CHF million)   
Investment and portfolio management 3,497 3,187 3,438
Other securities business 56 66 63
Underwriting 2,493 2,255 1,564
Brokerage 3,067 3,242 2,891
Other services 2,161 1,475 1,521
Total revenues from contracts with customers  11,274 10,225 9,477
Revenue from External Customers by Products and Services [Table Text Block]
Contract balances
end of 2021 2020
Contract balances (CHF million)   
Contract receivables 865 1,001
Contract liabilities 55 48
Contract balances
in 4Q21 3Q21 2Q21 1Q21
Revenue recognized (CHF million)
Revenue recognized in the reporting period included in the contract liabilities balance at the beginning of period 9 10 18 8
Bank  
Contract with Customer, Asset and Liability [Table Text Block]
Contracts with customers and disaggregation of revenues
in 2021 2020 2019
Contracts with customers (CHF million)
Investment and portfolio management 3,401 3,087 3,295
Other securities business 61 73 89
Underwriting 2,560 2,348 1,602
Brokerage 3,087 3,243 2,898
Other services 2,244 1,566 1,611
Total revenues from contracts with customers  11,353 10,317 9,495
Revenue from External Customers by Products and Services [Table Text Block]
Contract balances
end of 2021 2020
Contract balances (CHF million)
Contract receivables 865 993
Contract liabilities 55 48
Contract balances
in 4Q21 3Q21 2Q21 1Q21
Revenue recognized (CHF million)
Revenue recognized in the reporting period included in the contract liabilities balance at the beginning of period 9 10 18 8