Business Segment - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	9 Months Ended
Sep. 09, 2011 Entity Contract
Segment Reporting Disclosure [Line Items]
Number of business segments	5
The cash outflow associated with completing all phases of our existing portfolio of owned timeshare properties	$ 187
Estimated latest completion date	2016

Estimated cost to complete improvements and promised amenities.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher AICPA
-Name Statement of Position (SOP)
-Number 04-2
-Paragraph 64
-Subparagraph c
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 978
-SubTopic 310
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=6498279&loc=d3e27327-108691

Name:	us-gaap_TimeSharingTransactionsEstimatedCostToCompleteImprovementsAndPromisedAmenities
Namespace Prefix:	us-gaap
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant