v3.25.2
Stockholders' Equity (Schedule of Components of Other Comprehensive Income (Loss)) (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Equity [Abstract]        
Net income (loss) $ 5 $ 15 $ (499) $ (98)
Less: Net income attributable to non-controlling interests 1 1 2 2
Net income (loss) attributable to Avis Budget Group, Inc. 4 14 (501) (100)
Other comprehensive income (loss), net of tax        
Currency translation adjustments, net of tax of [$(14)], $(3), [$0] and $(8), respectively 71 7 84 (45)
Net unrealized gain (loss) on cash flow hedges, net of tax of $1, $1, $4 and $(1), respectively (5) (3) (11) 4
Minimum pension liability adjustment, net of tax of $0, in each period 1 1 2 2
Net current-period other comprehensive income (loss) 67 5 75 (39)
Total comprehensive income (loss) attributable to Avis Budget Group, Inc. 71 19 (426) (139)
Currency translation adjustments, tax 30 (3) 44 (8)
Net unrealized gain (loss) on cash flow hedges, tax 1 1 4 (1)
Minimum pension liability adjustment, tax $ 0 $ 0 $ 0 $ 0