Goodwill and Intangible Assets - Changes in Carrying Amount of Goodwill (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Goodwill [Line Items]
Goodwill, Beginning Balance	$ 1,407us-gaap_Goodwill	$ 1,427us-gaap_Goodwill
Currency translation adjustment	(16)	3
Asset dispositions	(69)	(22)
Other		(1)us-gaap_GoodwillOtherChanges
Goodwill, Ending Balance	1,322us-gaap_Goodwill	1,407us-gaap_Goodwill
Americas Segment [Member]
Goodwill [Line Items]
Goodwill, Beginning Balance	705	728
Currency translation adjustment	(1)	(1)
Asset dispositions	(21)	(22)
Goodwill, Ending Balance	683	705
EAME Segment [Member]
Goodwill [Line Items]
Goodwill, Beginning Balance	269	265
Currency translation adjustment	(15)	5
Asset dispositions	(12)
Other		(1)
Goodwill, Ending Balance	242	269
Asia Pacific Segment [Member]
Goodwill [Line Items]
Goodwill, Beginning Balance	282	283
Currency translation adjustment		(1)
Asset dispositions	(36)
Goodwill, Ending Balance	246	282
Vacation Ownership and Residential Segment [Member]
Goodwill [Line Items]
Goodwill, Beginning Balance			151
Goodwill, Ending Balance	$ 151	$ 151	$ 151

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

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-Section 45

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Amount of other (increase) decrease of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (g)

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- Definition

Amount of increase (decrease) from foreign currency translation adjustments and purchase accounting adjustments of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

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Amount of divestiture of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

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