Fair Value of Financial Instruments - Carrying Amounts and Estimated Fair Values of Long-Term Financial Instruments (Detail) - USD ($) $ in Millions	Dec. 31, 2015	Dec. 31, 2014
Assets:
Restricted cash	$ 54	$ 84
VOI notes receivable, Carrying Amount	402	295
Securitized vacation ownership notes receivable, Carrying Amount	141	227
Total financial assets, Carrying Amount	610	570
Liabilities:
Long-term debt, Carrying Amount	2,154	2,398
Long-term securitized debt	124	176
Total financial liabilities, Carrying Amount	2,278	2,574
Assets:
Total financial assets, Fair Value	736	704
Liabilities:
Total financial liabilities, Fair Value	2,304	2,685
Off-Balance sheet:
Letters of credit, Fair Value	80
Surety bonds, Fair Value	32
Total off-balance sheet, Fair Value	112	110
Level 1 [Member]
Assets:
Restricted cash	4	3
Liabilities:
Long-term debt, Carrying Amount	2,154	2,398
Assets:
Restricted cash, Fair Value	4	3
Liabilities:
Long-term debt, Fair Value	2,178	2,503
Level 3 [Member]
Assets:
VOI notes receivable, Carrying Amount	402	295
Securitized vacation ownership notes receivable, Carrying Amount	141	227
Other notes receivable, Carrying Amount	63	45
Liabilities:
Long-term securitized debt	124	176
Assets:
VOI notes receivable, Fair Value	495	369
Securitized vacation ownership notes receivable, Fair Value	174	287
Other notes receivable, Fair Value	63	45
Liabilities:
Long-term securitized debt, Fair Value	126	182
Level 2 [Member]
Off-Balance sheet:
Letters of credit, Fair Value	80	83
Surety bonds, Fair Value	$ 32	$ 27