Vacation Ownership Notes Receivable - Loan Loss Reserve (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Financing Receivable Allowance For Credit Losses [Line Items]
Beginning Balance	$ 103	$ 121
Provisions for loan losses	3	(3)
Write-offs	(5)	(9)
Other
Ending Balance	101	109
Vacation ownership loans - securitized [Member]
Financing Receivable Allowance For Credit Losses [Line Items]
Beginning Balance	43	73
Provisions for loan losses	(2)	(9)
Write-offs
Other	(3)	(5)
Ending Balance	38	59
Vacation ownership loans - unsecuritized [Member]
Financing Receivable Allowance For Credit Losses [Line Items]
Beginning Balance	60	48
Provisions for loan losses	5	6
Write-offs	(5)	(9)
Other	3	5
Ending Balance	$ 63	$ 50