XML 307 R54.htm IDEA: XBRL DOCUMENT v3.22.0.1
Operating Segments (Narratives) (Details)
$ in Millions
12 Months Ended
Dec. 31, 2020
USD ($)
Israel [Member]  
Disclosure of geographical areas [Line Items]  
Amount of loss from impairments and initiation of efficiency initiatives and measures $ 274
Europe [Member]  
Disclosure of geographical areas [Line Items]  
Amount of income related to divestiture of businesses $ 51