Fair Value - Carrying Amounts and Estimated Fair Values of Long-Term Financial Instruments (Detail) (USD $) In Millions, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securitized vacation ownership notes receivable, Carrying Amount	$ 347	$ 438
Total financial assets, Carrying Amount	553	547
Long-term debt, Carrying Amount	1,265	1,273
Total financial liabilities, Carrying Amount	1,556	1,656
Total off-balance sheet, Carrying Amount
Total financial assets, Fair Value	691	688
Total financial liabilities, Fair Value	1,694	1,849
Total off-balance sheet, Fair Value	200	197
Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Restricted cash, Carrying Amount	4	6
Long-term debt, Carrying Amount	1,265	1,273
Restricted cash, Fair Value	4	6
Long-term debt, Fair Value	1,389	1,447
Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
VOI notes receivable, Carrying Amount	185	92
Securitized vacation ownership notes receivable, Carrying Amount	347	438
Other notes receivable, Carrying Amount	17	11
Long-term securitized debt, Carrying Amount	291	383
VOI notes receivable, Fair Value	231	113
Securitized vacation ownership notes receivable, Fair Value	439	558
Other notes receivable, Fair Value	17	11
Long-term securitized debt, Fair Value	305	402
Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Letters of credit, Carrying Amount
Surety bonds, Carrying Amount
Letters of credit, Fair Value	117	117
Surety bonds, Fair Value	$ 83	$ 80