CONSOLIDATED CONDENSED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Revenues
Revenues	$ 3,001	$ 1,534	$ 6,744	$ 4,047
Expenses
Operating	1,225	825	3,089	2,505
Vehicle depreciation and lease charges, net	277	256	869	1,089
Selling, general and administrative	361	166	837	549
Vehicle interest, net	80	77	232	247
Non-vehicle related depreciation and amortization	69	74	199	214
Interest expense related to corporate debt, net:
Interest expense	47	64	167	163
Early extinguishment of debt	7	2	136	9
Restructuring and other related charges	5	17	47	89
Transaction-related costs, net	1	0	3	3
Total expenses	2,072	1,481	5,579	4,868
Income (loss) before income taxes	929	53	1,165	(821)
Provision for (benefit from) income taxes	255	8	263	(227)
Net income (loss)	674	45	902	(594)
Less: net loss attributable to non-controlling interests	(1)	0	(1)	0
Net income (loss) attributable to Avis Budget Group, Inc.	675	45	903	(594)
Comprehensive income (loss) attributable to Avis Budget Group, Inc.	$ 660	$ 74	$ 914	$ (631)
Earnings (loss) per share
Basic (in dollars per share)	$ 10.58	$ 0.64	$ 13.31	$ (8.40)
Diluted (in dollars per share)	$ 10.45	$ 0.63	$ 13.16	$ (8.40)