CONSOLIDATED CONDENSED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) shares in Millions, $ in Millions		Total	Stockholders’ Equity Attributable to Avis Budget Group, Inc.	Common Stock	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Income (Loss)	Treasury Stock		Non-controlling Interests
Beginning balance (in shares) at Dec. 31, 2022				137.1
Beginning balance at Dec. 31, 2022		$ (700)	$ (703)	$ 1	$ 6,666	$ 2,579	$ (101)	$ (9,848)		$ 3
Treasury stock, beginning balance (in shares) at Dec. 31, 2022								(97.6)
Comprehensive income (loss):
Net income		1,375	1,373			1,373				2
Other comprehensive income (loss)		(29)	(29)				(29)
Total comprehensive income (loss)		1,346	1,344			1,373	(29)			2
Net activity related to restricted stock units (in shares)								0.3
Net activity related to restricted stock units		$ (37)	(37)		(40)			$ 3
Repurchases of common stock (in shares)		(2.9)						(2.9)	[1]
Repurchases of common stock	[1]	$ (637)	(637)					$ (637)
Ending balance (in shares) at Sep. 30, 2023				137.1
Ending balance at Sep. 30, 2023		(28)	(33)	$ 1	6,626	3,952	(130)	$ (10,482)		5
Treasury stock, ending balance (in shares) at Sep. 30, 2023								(100.2)
Beginning balance (in shares) at Jun. 30, 2023				137.1
Beginning balance at Jun. 30, 2023		(125)	(129)	$ 1	6,625	3,326	(90)	$ (9,991)		4
Treasury stock, beginning balance (in shares) at Jun. 30, 2023								(98.0)
Comprehensive income (loss):
Net income		627	626			626				1
Other comprehensive income (loss)		(40)	(40)				(40)
Total comprehensive income (loss)		587	586			626	(40)			1
Net activity related to restricted stock units		1	1		1
Repurchases of common stock (in shares)	[2]							(2.2)
Repurchases of common stock	[2]	(491)	(491)					$ (491)
Ending balance (in shares) at Sep. 30, 2023				137.1
Ending balance at Sep. 30, 2023		(28)	(33)	$ 1	6,626	3,952	(130)	$ (10,482)		5
Treasury stock, ending balance (in shares) at Sep. 30, 2023								(100.2)
Beginning balance (in shares) at Dec. 31, 2023				137.1
Beginning balance at Dec. 31, 2023		$ (343)	(349)	$ 1	6,634	3,854	(96)	$ (10,742)		6
Treasury stock, beginning balance (in shares) at Dec. 31, 2023		(102.0)						(101.6)
Comprehensive income (loss):
Net income		$ 140	137			137				3
Other comprehensive income (loss)		(16)	(16)				(16)
Total comprehensive income (loss)		124	121			137	(16)			3
Net activity related to restricted stock units (in shares)								0.2
Net activity related to restricted stock units		$ (2)	(2)		(19)	(3)		$ 20
Repurchases of common stock (in shares)		(0.1)						(0.1)
Repurchases of common stock		$ (8)	(8)					$ (8)
Ending balance (in shares) at Sep. 30, 2024				137.1
Ending balance at Sep. 30, 2024		$ (229)	(238)	$ 1	6,615	3,988	(112)	$ (10,730)		9
Treasury stock, ending balance (in shares) at Sep. 30, 2024		(102.0)						(101.5)
Beginning balance (in shares) at Jun. 30, 2024				137.1
Beginning balance at Jun. 30, 2024		$ (482)	(490)	$ 1	6,616	3,751	(135)	$ (10,723)		8
Treasury stock, beginning balance (in shares) at Jun. 30, 2024								(101.4)
Comprehensive income (loss):
Net income		238	237			237				1
Other comprehensive income (loss)		23	23				23
Total comprehensive income (loss)		261	260			237	23			1
Net activity related to restricted stock units		0			(1)			$ 1
Repurchases of common stock (in shares)								(0.1)
Repurchases of common stock		(8)	(8)					$ (8)
Ending balance (in shares) at Sep. 30, 2024				137.1
Ending balance at Sep. 30, 2024		$ (229)	$ (238)	$ 1	$ 6,615	$ 3,988	$ (112)	$ (10,730)		$ 9
Treasury stock, ending balance (in shares) at Sep. 30, 2024		(102.0)						(101.5)

[1] Amount includes excise taxes due under the Inflation Reduction Act of 2022.

[2] Amount includes excise taxes due under the Inflation Reduction Act of 2022.