Vacation Ownership Notes Receivable - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Dec. 31, 2013
Receivables [Abstract]
Average estimated default rate for the company's pool of receivables	9.20%		9.30%
Net adjustment on loan loss reserves	$ 3	$ 3
Increase in reserves for new contract sales	6	7
Favorable adjustment from improved performance in portfolio	3	11
Result of change in projected default rate	0.10%
Default rate change impact on loan loss reserve	4
Maximum outstanding period for note receivable being delinquent	30 days
Delinquent notes receivable	$ 49		$ 48
Number of days loan consider to be in default	120 days