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Vehicle Rental Activities (Components Of Vehicle Depreciation And Lease Charges) (Detail) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
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Jun. 30, 2017 | Jun. 30, 2016 | Jun. 30, 2017 | Jun. 30, 2016
Vehicle Rental Activities [Abstract] |  |  |  |
Other Receivables | $ 235 | $ 251 | $ 235 | $ 251
Depreciation expense | 516 | 499 | 953 | 931
Lease charges | 54 | 42 | 97 | 76
(Gain) loss on sale of vehicles, net | 27 | (9) | 51 | (12)
Vehicle depreciation and lease charges, net | $ 597 | $ 532 | $ 1,101 | $ 995

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- Definition (Gain) Loss On Sale Of Vehicles, Net And Cost Of Vehicle Disposition + References No definition available. + Details
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- Definition Amount of depreciation expense recorded on rental vehicles. + References No definition available. + Details
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- Definition Amount of lease charges recorded on rental vehicles. + References No definition available. + Details
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- Definition Vehicle Rental Activities [Abstract] + References No definition available. + Details
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- Definition The expense recognized in the current period that allocates the cost of a tangible asset used in providing revenue generating services over the asset's useful life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.2(d)) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
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- Definition Amount due from parties in nontrade transactions, classified as other. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.8) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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