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Investment securities (Tables)
6 Months Ended
Jun. 30, 2022
Investment securities
end of 2Q22 1Q22 4Q21
Investment securities (CHF million)   
Debt securities available-for-sale 739 809 1,005
Total investment securities  739 809 1,005
Investment securities by type
Investment securities by type
   2Q22 4Q21

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 2 0 0 2
Corporate debt securities 849 0 112 737 1,011 0 8 1,003
Debt securities available-for-sale  851 0 112 739 1,013 0 8 1,005
Gross unrealized losses on investment securities and the related fair value
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
2Q22 (CHF million)   
Corporate debt securities 625 100 89 12 714 112
Debt securities available-for-sale  625 100 89 12 714 112
4Q21 (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 6M22 6M21
Sales of debt securities available-for-sale (CHF million)   
Proceeds from sales 45 0
Realized losses (6) 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 %)
2Q22 (CHF million, except where indicated)   
Due within 1 year 25 25 0.67
Due from 1 to 5 years 90 83 (0.02)
Due from 5 to 10 years 736 631 0.05
Debt securities available-for-sale  851 739 0.06
Bank  
Investment securities
end of 6M22 2021
Investment securities (CHF million)   
Debt securities available-for-sale 737 1,003
Total investment securities  737 1,003
Investment securities by type
Investment securities by type
   6M22 2021

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)   
Corporate debt securities 849 0 112 737 1,011 0 8 1,003
Debt securities available-for-sale  849 0 112 737 1,011 0 8 1,003
Gross unrealized losses on investment securities and the related fair value
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
6M22 (CHF million)   
Corporate debt securities 625 100 89 12 714 112
Debt securities available-for-sale  625 100 89 12 714 112
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 6M22 6M21
Sales of debt securities available-for-sale (CHF million)   
Proceeds from sales 45 0
Realized losses (6) 0
Amortized cost, fair value and average yield of debt securities
Amortized cost, fair value and average yield of debt securities

end of 6M22

Amortized
cost

Fair
value
Average
yield
(in %)
Due within 1 year 23 23 0.43
Due from 1 to 5 years 90 83 (0.02)
Due from 5 to 10 years 736 631 0.05
Debt securities available-for-sale  849 737 0.05