XML 250 R177.htm IDEA: XBRL DOCUMENT v3.22.4
Events subsequent to the December 31 consolidated balance sheet date (Details)
$ in Billions
12 Months Ended
Dec. 31, 2022
USD ($)
Dec. 31, 2022
SFr / shares
Dec. 31, 2021
USD ($)
Statement [line items]      
Dividends proposed | $ $ 7.3   $ 7.5
Subsequent Event [member]      
Statement [line items]      
Dividends proposed, cash per share | SFr / shares   SFr 3.20