XML 166 R130.htm IDEA: XBRL DOCUMENT v3.24.1
CECL (Details 16) - CHF (SFr)
SFr in Millions
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Other financial assets, held at amortized cost, Allowance for Credit Loss [Line Items]    
Purchases SFr 931 SFr 196