Investment securities (Tables)
12 Months Ended
Dec. 31, 2021
Investment securities
end of 2021 2020
Investment securities (CHF million)   
Debt securities available-for-sale 1,005 607
Total investment securities  1,005 607
Investment securities by type
Investment securities by type
   2021 2020

end of

Amortized
cost
Gross
unrealized
gains
Gross
unrealized
losses

Fair
value

Amortized
cost
Gross
unrealized
gains
Gross
unrealized
losses

Fair
value
Investment securities by type (CHF million)   
Swiss federal, cantonal or local government entities 2 0 0 2 3 0 0 3
Corporate debt securities 1,011 0 8 1,003 593 11 0 604
Debt securities available-for-sale  1,013 0 8 1,005 596 11 0 607
Gross unrealized losses on investment securities and the related fair value
Gross unrealized losses on debt securities and the related fair value
   Less than 12 months 12 months or more Total

end of

Fair
value
Gross
unrealized
losses

Fair
value
Gross
unrealized
losses

Fair
value
Gross
unrealized
losses
2021 (CHF million)   
Corporate debt securities 683 8 0 0 683 8
Debt securities available-for-sale  683 8 0 0 683 8
Proceeds from sales, realized gains and realized losses from available-for-sale securities
Proceeds from sales, realized gains and realized losses from debt securities available-for-sale
in 2021 2020 2019
Sales of debt securities available-for-sale (CHF million)   
Proceeds from sales 0 629 6
Realized gains 0 42 0
Amortized cost, fair value and average yield of debt securities
Amortized cost, fair value and average yield of debt securities

end of

Amortized
cost

Fair
value
Average
yield
(in %)
2021 (CHF million, except where indicated)   
Due within 1 year 154 154 0.03
Due from 1 to 5 years 95 95 0.05
Due from 5 to 10 years 764 756 0.07
Debt securities available-for-sale  1,013 1,005 0.06
Bank  
Investment securities
end of 2021 2020
Investment securities (CHF million)   
Debt securities available-for-sale 1,003 605
Total investment securities  1,003 605
Investment securities by type
Investment securities by type
   2021 2020

end of

Amortized
cost
Gross
unrealized
gains
Gross
unrealized
losses

Fair
value

Amortized
cost
Gross
unrealized
gains
Gross
unrealized
losses

Fair
value
Investment securities by type (CHF million)   
Swiss federal, cantonal or local government entities 0 0 0 0 1 0 0 1
Corporate debt securities 1,011 0 8 1,003 594 10 0 604
Debt securities available-for-sale  1,011 0 8 1,003 595 10 0 605
Proceeds from sales, realized gains and realized losses from available-for-sale securities
Gross unrealized losses on debt securities and related fair value
   Less than 12 months 12 months or more Total

end of

Fair
value
Gross
unrealized
losses

Fair
value
Gross
unrealized
losses

Fair
value
Gross
unrealized
losses
2021 (CHF million)   
Corporate debt securities 683 8 0 0 683 8
Debt securities available-for-sale  683 8 0 0 683 8
Proceeds from sales, realized gains and realized losses from debt securities available-for-sale
in 2021 2020
Sales of debt securities available-for-sale (CHF million)   
Proceeds from sales 0 629
Realized gains 0 42
Amortized cost, fair value and average yield of debt securities

end of 2021

Amortized
cost

Fair
value
Average
yield
(in %)
Due within 1 year 154 154 0.03
Due from 1 to 5 years 93 93 0.02
Due from 5 to 10 years 764 756 0.07
Debt securities available-for-sale  1,011 1,003 0.06