Parent company (Details 2) - CHF (SFr)
SFr in Millions
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Assets        
Cash and due from banks [1] SFr 164,818 SFr 139,112 SFr 101,879 SFr 100,047
Interest-bearing deposits with banks 1,323 1,298    
Investment securities 1,005 607    
Other assets 41,231 39,637    
Total assets 755,833 818,965    
Liabilities and equity        
Due to banks 18,965 16,423    
Short-term borrowings 19,393 20,868    
Long-term debt 166,896 161,087    
Other liabilities 22,644 31,434    
Total liabilities 711,603 776,024    
Total shareholders' equity 43,954 42,677    
Total liabilities and equity 755,833 818,965    
Group parent company        
Assets        
Cash and due from banks 143 277 SFr 277 SFr 324
Interest-bearing deposits with banks 5,948 445    
Investment securities 55,659 52,061    
Investments in subsidiaries and other affiliates 51,452 49,911    
Other assets 831 782    
Total assets 114,033 103,476    
Liabilities and equity        
Due to banks 2,743 2,442    
Short-term borrowings 4,700 4,700    
Long-term debt 61,949 53,009    
Other liabilities 687 648    
Total liabilities 70,079 60,799    
Total shareholders' equity 43,954 42,677    
Total liabilities and equity 114,033 103,476    
Subsidiaries and other affiliates        
Assets        
Cash and due from banks 143 277    
Interest-bearing deposits with banks 5,944 440    
Investment securities 55,659 52,061    
Other assets 827 761    
Liabilities and equity        
Due to banks 2,743 2,442    
Short-term borrowings 4,700 4,700    
Long-term debt 104,612      
Other liabilities SFr 7 SFr 6    
[1] Includes restricted cash.