(Divestiture) (Details) shares in Millions, $ in Millions	1 Months Ended
	Sep. 30, 2015 USD ($) shares	Jun. 30, 2015 location	Aug. 31, 2015	Dec. 31, 2014
HERC | Discontinued Operations, Disposed of by Sale [Member]
ASSETS
Receivables, net of allowance	$ 21
Inventories, net	4
Prepaid expenses and other assets	3
Revenue earning equipment, net	97
Property and other equipment, net	12
Goodwill	2
Total assets held for sale	139
LIABILITIES
Accounts payable	11
Accrued liabilities	10
Accrued taxes, net	2
Deferred taxes on income, net	2
Total liabilities held for sale	$ 25
FRANCE | HERC | Discontinued Operations, Disposed of by Sale [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of businesses divested | location		60
SPAIN | HERC | Discontinued Operations, Disposed of by Sale [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of businesses divested | location		2
CAR, Inc
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Ownership percentage	13.60%		16.10%	16.20%
CAR, Inc | Common Stock
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of shares sold | shares	60
Net sales proceeds	$ 100
Pre-tax gain on sale of stock	$ 56