v3.25.2
Related Party Transactions (Schedule of Equity Method Investment in Balance Sheet and Statements of Comprehensive (Income) Expense) (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Dec. 31, 2024
Related Party Transaction [Line Items]          
Other (income) expense, net $ (5) $ (2) $ (11) $ (3)  
Receivables from AMV 20,510   20,510   $ 17,619
Equity method investment in AMV 413   413   422
Vehicles, net investment in lease with AMV 92   92   74
Avis Mobility Ventures LLC (AMV) | Related Party | Avis Mobility Ventures LLC (AMV)          
Related Party Transaction [Line Items]          
Other (income) expense, net 5 2 11 3  
Equity method investment in AMV 25   25   28
Avis Mobility Ventures LLC (AMV) | Administrative Services | Related Party | Avis Mobility Ventures LLC (AMV)          
Related Party Transaction [Line Items]          
Other (income) expense, net 4 0 8 (2)  
Avis Mobility Ventures LLC (AMV) | Equipment Investment | Related Party | Avis Mobility Ventures LLC (AMV)          
Related Party Transaction [Line Items]          
Other (income) expense, net 1 $ 2 3 $ 5  
Avis Mobility Ventures LLC (AMV) | Receivables from AMV | Related Party          
Related Party Transaction [Line Items]          
Receivables from AMV $ 7   $ 7   $ 3