CONSOLIDATED CONDENSED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Millions	Total	Stockholders’ Equity Attributable to Avis Budget Group, Inc.	Common Stock	Additional Paid-in Capital	Retained Earnings (Accumulated Deficit)	Accumulated Other Comprehensive Income (Loss)	Treasury Stock	Non-controlling Interests
Beginning balance (in shares) at Dec. 31, 2021			137,100,000
Beginning balance at Dec. 31, 2021	$ (209)	$ (220)	$ 1	$ 6,676	$ (185)	$ (133)	$ (6,579)	$ 11
Treasury stock, beginning balance (in shares) at Dec. 31, 2021							(81,200,000)
Comprehensive income:
Net income	527	529			529			(2)
Other comprehensive income (loss)	39	39				39
Comprehensive income attributable to Avis Budget Group, Inc.	566	568			529	39		(2)
Net activity related to restricted stock units (in shares)							200,000
Net activity related to restricted stock units	(33)	(33)		(30)			$ (3)
Repurchases of common stock (in shares)							(6,400,000)
Repurchases of common stock	(1,307)	(1,307)					$ (1,307)
Ending balance (in shares) at Mar. 31, 2022			137,100,000
Ending balance at Mar. 31, 2022	(983)	(992)	$ 1	6,646	344	(94)	$ (7,889)	9
Treasury stock, ending balance (in shares) at Mar. 31, 2022							(87,400,000)
Beginning balance (in shares) at Dec. 31, 2022			137,100,000
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	(98,000,000)						(97,600,000)
Comprehensive income:
Net income	$ 312	312			312			0
Other comprehensive income (loss)	(10)	(10)				(10)
Comprehensive income attributable to Avis Budget Group, Inc.	302	302			312	(10)		0
Net activity related to restricted stock units (in shares)							300,000
Net activity related to restricted stock units	$ (43)	(43)		(46)			$ 3
Repurchases of common stock (in shares)	0
Ending balance (in shares) at Mar. 31, 2023			137,100,000
Ending balance at Mar. 31, 2023	$ (441)	$ (444)	$ 1	$ 6,620	$ 2,891	$ (111)	$ (9,845)	$ 3
Treasury stock, ending balance (in shares) at Mar. 31, 2023	(97,000,000)						(97,300,000)