Securities borrowed, lent and subject to repurchase agreements (Details) - CHF (SFr)
SFr in Millions
Dec. 31, 2021
Dec. 31, 2020
Securities borrowed or purchased under agreements to resell    
Central bank funds sold and securities purchased under resale agreements SFr 65,017 SFr 53,910
Deposits paid for securities borrowed 38,889 38,366
Central bank funds sold, securities purchased under resale agreements and securities borrowing transactions, total 103,906 92,276
Securities lent or sold under agreements to repurchase    
Central bank funds purchased and securities sold under repurchase agreements 19,591 19,736
Deposits received for securities lent 15,683 17,258
Central bank funds purchased, securities sold under repurchase agreements and securities lending transactions, total 35,274 36,994
Bank    
Securities borrowed or purchased under agreements to resell    
Central bank funds sold and securities purchased under resale agreements 65,017 53,910
Deposits paid for securities borrowed 38,889 38,366
Central bank funds sold, securities purchased under resale agreements and securities borrowing transactions, total 103,906 92,276
Securities lent or sold under agreements to repurchase    
Central bank funds purchased and securities sold under repurchase agreements 19,685 19,829
Deposits received for securities lent 15,683 17,258
Central bank funds purchased, securities sold under repurchase agreements and securities lending transactions, total SFr 35,368 SFr 37,087