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Vehicle Rental Activities (Components Of The Company's Vehicles) (Detail) - USD ($) $ in Millions	Sep. 30, 2021	Dec. 31, 2020	Sep. 30, 2020
Property, Plant and Equipment [Abstract]
Rental vehicles	$ 13,501	$ 9,210
Less: Accumulated depreciation	(1,699)	(1,337)
Rental Vehicles Net, Total	11,802	7,873
Vehicles held for sale	123	280
Vehicles, net	11,925	$ 8,153
Liabilities under vehicle programs	167		$ 213
Other receivables	$ 145		$ 357

X

- Definition

Accumulated depreciation recorded through the balance sheet date for vehicles involved in rental activities.

+ References

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- Definition

The cost of vehicles used in rental activities.

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- Definition

Rental Vehicles Net

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- Definition

The recorded value of rental vehicles held for sale, net of accumulated depreciation.

+ References

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- Definition

Total carrying value of rental vehicles classified as program assets not otherwise defined in the taxonomy.

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- Definition

Amount of obligations incurred classified as other, payable within one year or the normal operating cycle, if longer.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section 45
-Paragraph 8
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Amount due from parties in nontrade transactions, classified as other.

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