v3.25.2
Debt Under Vehicle Programs and Borrowing Arrangements (Schedule of Available Funding Under the Vehicle Programs) (Details)
$ in Millions
Jun. 30, 2025
USD ($)
Debt Instrument [Line Items]  
Total Capacity $ 21,678
Outstanding Borrowings 19,988
Available Capacity 1,690
Americas - Debt due to Avis Budget Rental Car Funding | Affiliated Entity  
Debt Instrument [Line Items]  
Total Capacity 16,625
Outstanding Borrowings 15,585
Available Capacity 1,040
Americas - Debt due to Avis Budget Rental Car Funding | Affiliated Entity | Secured Debt  
Debt Instrument [Line Items]  
Outstanding Borrowings 16,200
Americas - Debt borrowings  
Debt Instrument [Line Items]  
Total Capacity 1,614
Outstanding Borrowings 1,334
Available Capacity 280
Americas - Debt borrowings | Secured Debt  
Debt Instrument [Line Items]  
Outstanding Borrowings 1,700
International - Debt borrowings  
Debt Instrument [Line Items]  
Total Capacity 3,275
Outstanding Borrowings 2,905
Available Capacity 370
International - Debt borrowings | Secured Debt  
Debt Instrument [Line Items]  
Outstanding Borrowings 3,400
International - Finance leases  
Debt Instrument [Line Items]  
Total Capacity 164
Outstanding Borrowings 164
Available Capacity 0
International - Finance leases | Secured Debt  
Debt Instrument [Line Items]  
Outstanding Borrowings $ 200