v3.25.3
Basis of Presentation (Schedule of Disaggregated Revenue in Basis of Presentation) (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
Disaggregation of Revenue [Line Items]        
Revenues $ 3,519 $ 3,480 $ 8,988 $ 9,079
Avis        
Disaggregation of Revenue [Line Items]        
Revenues 1,999 2,011 5,089 5,218
Budget        
Disaggregation of Revenue [Line Items]        
Revenues 1,328 1,263 3,346 3,301
Other        
Disaggregation of Revenue [Line Items]        
Revenues 192 206 553 560
Americas        
Disaggregation of Revenue [Line Items]        
Revenues 2,621 2,640 6,860 6,994
Europe, Middle East and Africa        
Disaggregation of Revenue [Line Items]        
Revenues 742 689 1,667 1,615
Asia and Australasia        
Disaggregation of Revenue [Line Items]        
Revenues $ 156 $ 151 $ 461 $ 470