Consolidated Statements Of Operations - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Revenues
Revenues	$ 5,402	$ 9,172	$ 9,124
Expenses
Operating Costs and Expenses	3,322	4,698	4,639
Vehicle depreciation and lease charges, net	1,368	2,063	2,179
Selling, general and administrative	703	1,237	1,220
Vehicle interest, net	318	344	314
Non-vehicle related depreciation and amortization	286	263	256
Interest expense related to corporate debt, net:
Interest expense	231	178	188
Early extinguishment of debt	9	12	19
Restructuring and other related charges	118	80	22
Transaction-related costs, net	3	10	20
Total expenses	6,358	8,885	8,857
Income (Loss) before income taxes	(956)	287	267
Provision for (benefit from) income taxes	(272)	(15)	102
Net income (loss)	$ (684)	$ 302	$ 165
Earnings per share
Basic	$ (9.71)	$ 4.01	$ 2.08
Diluted	$ (9.71)	$ 3.98	$ 2.06