Fair Value - Carrying Amounts and Estimated Fair Values of Long-Term Financial Instruments (Detail) - USD ($) $ in Millions	Mar. 31, 2016	Dec. 31, 2015
Assets:
Restricted cash	$ 68	$ 54
Securitized vacation ownership notes receivable, Carrying Amount	127	141
Total financial assets, Carrying Amount	623	610
Liabilities:
Long-term debt, Carrying Amount	2,318	2,144
Long-term securitized debt	111	123
Total financial liabilities, Carrying Amount	2,429	2,267
Assets:
Total financial assets, Fair Value	753	736
Liabilities:
Total financial liabilities, Fair Value	2,523	2,304
Off-Balance sheet:
Surety bonds, Fair Value	30
Total off-balance sheet, Fair Value	108	112
Level 1 [Member]
Assets:
Restricted cash	4	4
Liabilities:
Long-term debt, Carrying Amount	2,318	2,144
Assets:
Restricted cash, Fair Value	4	4
Liabilities:
Long-term debt, Fair Value	2,410	2,178
Level 3 [Member]
Assets:
VOI notes receivable, Carrying Amount	419	402
Securitized vacation ownership notes receivable, Carrying Amount	127	141
Other notes receivable, Carrying Amount	73	63
Liabilities:
Long-term securitized debt	111	123
Assets:
VOI notes receivable, Fair Value	518	495
Securitized vacation ownership notes receivable, Fair Value	158	174
Other notes receivable, Fair Value	73	63
Liabilities:
Long-term securitized debt, Fair Value	113	126
Level 2 [Member]
Off-Balance sheet:
Letters of credit, Fair Value	78	80
Surety bonds, Fair Value	$ 30	$ 32