Vacation Ownership Notes Receivable - Future Maturities of Gross VOI Notes Receivable and Interest Rates (Detail) (USD $) In Millions, unless otherwise specified	6 Months Ended
Jun. 30, 2013
Accounts, Notes, Loans and Financing Receivable [Line Items]
2013	$ 53
2014	86
2015	87
2016	86
Thereafter	407
Total gross VOI notes receivable	719
Weighted Average Interest Rates	12.87%
Range of interest rates, Minimum	5.00%
Range of interest rates, Maximum	17.00%
Vacation ownership loans - securitized [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
2013	34
2014	70
2015	70
2016	68
Thereafter	252
Total gross VOI notes receivable	494
Weighted Average Interest Rates	12.99%
Range of interest rates, Minimum	5.00%
Range of interest rates, Maximum	17.00%
Vacation ownership loans - unsecuritized [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
2013	19
2014	16
2015	17
2016	18
Thereafter	155
Total gross VOI notes receivable	$ 225
Weighted Average Interest Rates	12.64%
Range of interest rates, Minimum	6.00%
Range of interest rates, Maximum	17.00%

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Amount of notes receivable related to time share sales, before allowance for uncollectible accounts and deferred profit.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 978

-SubTopic 310

-Section 50

-Paragraph 1

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=6498279&loc=d3e27327-108691

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 978

-SubTopic 310

-Section 45

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6498260&loc=d3e27305-108690

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- Definition

Aggregate total of all maturities of notes receivable after the first five years following the date of the financial statements.

+ References

+ Details

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- Definition

Maturities for the fourth year following the date of the financial statements.

+ References

+ Details

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- Definition

Maturities for the first year following the date of the financial statements.

+ References

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Maturities for the third year following the date of the financial statements.

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Maturities for the second year following the date of the financial statements.

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- Definition

Maximum end of range of stated interest rates of notes receivable.

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Minimum end of range of stated interest rates of notes receivable.

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- Definition

Weighted average of stated interest rates of notes receivable.

+ References

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