Vacation Ownership Notes Receivable - Future Maturities of Gross VOI Notes Receivable and Interest Rates (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
Dec. 31, 2014
Accounts Notes And Loans Receivable [Line Items]
2015	$ 94
2016	83
2017	82
2018	76
2019	73
Thereafter	293
Total gross VOI notes receivable	701
Weighted average interest rates	13.01%
Range of interest rates, Minimum	5.00%
Range of interest rates, Maximum	17.00%
Vacation ownership loans - securitized [Member]
Accounts Notes And Loans Receivable [Line Items]
2015	51
2016	52
2017	49
2018	41
2019	35
Thereafter	74
Total gross VOI notes receivable	302
Weighted average interest rates	13.04%
Range of interest rates, Minimum	6.00%
Range of interest rates, Maximum	17.00%
Vacation ownership loans - unsecuritized [Member]
Accounts Notes And Loans Receivable [Line Items]
2015	43
2016	31
2017	33
2018	35
2019	38
Thereafter	219
Total gross VOI notes receivable	$ 399
Weighted average interest rates	12.99%
Range of interest rates, Minimum	5.00%
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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Aggregate total of all maturities of notes receivable after the first five years following the date of the financial statements.

+ References

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

+ References

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

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

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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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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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Weighted average of stated interest rates of notes receivable.

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