v3.25.3
Stockholders' Equity (Schedule of Components of Other Comprehensive Income (Loss)) (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
Equity [Abstract]        
Net income (loss) $ 360 $ 238 $ (139) $ 140
Less: Net income attributable to non-controlling interests 1 1 3 3
Net income (loss) attributable to Avis Budget Group, Inc. 359 237 (142) 137
Other comprehensive income (loss), net of tax        
Currency translation adjustments, net of tax of [$(14)], $(3), [$0] and $(8), respectively (16) 38 68 (7)
Net unrealized gain (loss) on cash flow hedges, net of tax of $1, $5, $5 and $4, respectively (3) (16) (14) (12)
Minimum pension liability adjustment, net of tax of $(1), $(1), $(1) and $(1), respectively 1 1 3 3
Net current-period other comprehensive income (loss) (18) 23 57 (16)
Total comprehensive income (loss) attributable to Avis Budget Group, Inc. 341 260 (85) 121
Currency translation adjustments, tax (1) 13 43 5
Net unrealized gain (loss) on cash flow hedges, tax 1 5 5 4
Minimum pension liability adjustment, tax $ (1) $ (1) $ (1) $ (1)