XML 51 R41.htm IDEA: XBRL DOCUMENT v3.23.3
Summary of significant accounting policies - Assets, Liabilities and Net Assets of Company's Argentinean Subsidiaries (Details) - USD ($)
$ in Millions
Sep. 30, 2023
Dec. 31, 2022
Subsidiary or Equity Method Investee [Line Items]    
Assets $ 16,124 $ 13,736
Liabilities 13,383 11,909
Argentinean Subsidiaries    
Subsidiary or Equity Method Investee [Line Items]    
Assets 3,936 3,238
Liabilities 2,601 2,419
Net assets $ 1,335 $ 819