Vehicle Rental Activities (Components Of The Company's Vehicles) (Detail) - USD ($) $ in Millions	Sep. 30, 2022	Dec. 31, 2021	Sep. 30, 2021
Property, Plant and Equipment [Abstract]
Rental vehicles	$ 17,077	$ 14,612
Less: Accumulated depreciation	(2,087)	(1,911)
Rental Vehicles Net, Total	14,990	12,701
Vehicles held for sale	365	165
Vehicle, net investment in lease receivables	36	0
Vehicles, net	15,391	$ 12,866
Liabilities under vehicle programs	154		$ 167
Other receivables	$ 225		$ 145