Debt (Borrowing Capacity) (Details) $ in Millions	Mar. 31, 2016 USD ($)
Debt Instrument [Line Items]
Remaining capacity	$ 4,098
Availability under borrowing base limitation	1,486
Senior ABL Facility
Debt Instrument [Line Items]
Remaining capacity	1,488
Availability under borrowing base limitation	1,481
Corporate Debt
Debt Instrument [Line Items]
Remaining capacity	1,488
Availability under borrowing base limitation	1,481
HVF II U.S. ABS Program
Debt Instrument [Line Items]
Remaining capacity	2,125
Availability under borrowing base limitation	0
HFLF Medium Term Notes
Debt Instrument [Line Items]
Remaining capacity	50
Availability under borrowing base limitation	0
European Revolving Credit Facility
Debt Instrument [Line Items]
Remaining capacity	0
Availability under borrowing base limitation	0
European Securitization
Debt Instrument [Line Items]
Remaining capacity	192
Availability under borrowing base limitation	4
Canadian Securitization
Debt Instrument [Line Items]
Remaining capacity	99
Availability under borrowing base limitation	0
Australian Securitization
Debt Instrument [Line Items]
Remaining capacity	94
Availability under borrowing base limitation	0
Capitalized Leases
Debt Instrument [Line Items]
Remaining capacity	50
Availability under borrowing base limitation	1
Fleet Debt
Debt Instrument [Line Items]
Remaining capacity	2,610
Availability under borrowing base limitation	$ 5

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

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- Definition

Amount of unused borrowing capacity under the long-term financing arrangement that is available to the entity as of the balance sheet date.

+ 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 210.5-02.22(b))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

+ 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 210.5-02.19(b),22(b))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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