XML 212 R120.htm IDEA: XBRL DOCUMENT v3.22.4
Investment securities - Maturities of amortized costs/FV/Avg yield (Details 6) - CHF (SFr)
SFr in Millions
Dec. 31, 2022
Dec. 31, 2021
Debt Securities, Available-for-sale [Line Items]    
Due within 1 year, amortized cost SFr 19  
Due from 1 to 5 years, amortized cost 237  
Due from 5 to 10 years, amortized cost 697  
Total, amortized cost, before allowance for credit losses 953 SFr 1,013
Due within 1 year, fair value 19  
Due from 1 to 5 years, fair value 210  
Due from 5 to 10 years, fair value 568  
Total, fair value SFr 797 1,005
Due within 1 year, average yield (as a percent) 0.89%  
Due from 1 to 5 years, average yield (as a percent) 0.33%  
Due from 5 to 10 years, average yield (as a percent) 0.36%  
Total, average yield (as a percent) 0.36%  
Bank    
Debt Securities, Available-for-sale [Line Items]    
Due within 1 year, amortized cost SFr 18  
Due from 1 to 5 years, amortized cost 237  
Due from 5 to 10 years, amortized cost 697  
Total, amortized cost, before allowance for credit losses 952 1,011
Due within 1 year, fair value 18  
Due from 1 to 5 years, fair value 210  
Due from 5 to 10 years, fair value 568  
Total, fair value SFr 796 SFr 1,003
Due within 1 year, average yield (as a percent) 0.60%  
Due from 1 to 5 years, average yield (as a percent) 0.33%  
Due from 5 to 10 years, average yield (as a percent) 0.36%  
Total, average yield (as a percent) 0.35%