v3.25.3
Debt Under Vehicle Programs and Borrowing Arrangements (Schedule of Available Funding Under the Vehicle Programs) (Details)
$ in Millions
Sep. 30, 2025
USD ($)
Debt Instrument [Line Items]  
Total Capacity $ 21,270
Outstanding Borrowings 19,336
Available Capacity 1,934
Americas - Debt due to Avis Budget Rental Car Funding | Affiliated Entity  
Debt Instrument [Line Items]  
Total Capacity 16,187
Outstanding Borrowings 14,952
Available Capacity 1,235
Americas - Debt due to Avis Budget Rental Car Funding | Affiliated Entity | Secured Debt  
Debt Instrument [Line Items]  
Outstanding Borrowings 15,900
Americas - Debt borrowings  
Debt Instrument [Line Items]  
Total Capacity 1,561
Outstanding Borrowings 1,276
Available Capacity 285
Americas - Debt borrowings | Secured Debt  
Debt Instrument [Line Items]  
Outstanding Borrowings 1,700
International - Debt borrowings  
Debt Instrument [Line Items]  
Total Capacity 3,359
Outstanding Borrowings 2,967
Available Capacity 392
International - Debt borrowings | Secured Debt  
Debt Instrument [Line Items]  
Outstanding Borrowings 3,800
International - Finance leases  
Debt Instrument [Line Items]  
Total Capacity 163
Outstanding Borrowings 141
Available Capacity 22
International - Finance leases | Secured Debt  
Debt Instrument [Line Items]  
Outstanding Borrowings $ 200