Condensed Consolidating Guarantor Financial Information - Balance Sheet (Details) - USD ($) $ in Millions	Mar. 31, 2018	Dec. 31, 2017
ASSETS
Cash and cash equivalents	$ 85	$ 246
Restricted cash	69	51
Accounts receivable, net	117	112
Timeshare financing receivables, net	1,074	1,071
Inventory	564	509
Property and equipment, net	235	238
Investment in unconsolidated affiliate	37	41
Intangible assets, net	73	72
Other assets	111	44
Investments in subsidiaries	0	0
TOTAL ASSETS (variable interest entities - $432 and $471)	2,365	2,384
LIABILITIES AND EQUITY
Accounts payable, accrued expenses and other	296	339
Advanced deposits	92	104
Debt	479	482
Non-recourse debt, net	544	583
Deferred revenues	326	109
Deferred income tax liabilities	228	249
Total equity	400	518
TOTAL LIABILITIES AND EQUITY	2,365	2,384
Eliminations
ASSETS
Cash and cash equivalents	0	0
Restricted cash	0	0
Accounts receivable, net	(6)	(6)
Timeshare financing receivables, net	0	0
Inventory	0	0
Property and equipment, net	0	0
Investment in unconsolidated affiliate	0	0
Intangible assets, net	0	0
Other assets	(1)	(1)
Investments in subsidiaries	(1,474)	(1,598)
TOTAL ASSETS (variable interest entities - $432 and $471)	(1,481)	(1,605)
LIABILITIES AND EQUITY
Accounts payable, accrued expenses and other	(7)	(7)
Advanced deposits	0	0
Debt	0	0
Non-recourse debt, net	0	0
Deferred revenues	0	0
Deferred income tax liabilities	0	0
Total equity	(1,474)	(1,598)
TOTAL LIABILITIES AND EQUITY	(1,481)	(1,605)
Parent
ASSETS
Cash and cash equivalents	0	0
Restricted cash	0	0
Accounts receivable, net	0	0
Timeshare financing receivables, net	0	0
Inventory	0	0
Property and equipment, net	0	0
Investment in unconsolidated affiliate	0	0
Intangible assets, net	0	0
Other assets	0	0
Investments in subsidiaries	400	518
TOTAL ASSETS (variable interest entities - $432 and $471)	400	518
LIABILITIES AND EQUITY
Accounts payable, accrued expenses and other	0	0
Advanced deposits	0	0
Debt	0	0
Non-recourse debt, net	0	0
Deferred revenues	0	0
Deferred income tax liabilities	0	0
Total equity	400	518
TOTAL LIABILITIES AND EQUITY	400	518
Issuers
ASSETS
Cash and cash equivalents	0	0
Restricted cash	0	0
Accounts receivable, net	0	0
Timeshare financing receivables, net	0	0
Inventory	0	0
Property and equipment, net	0	0
Investment in unconsolidated affiliate	0	0
Intangible assets, net	0	0
Other assets	2	2
Investments in subsidiaries	877	999
TOTAL ASSETS (variable interest entities - $432 and $471)	879	1,001
LIABILITIES AND EQUITY
Accounts payable, accrued expenses and other	0	1
Advanced deposits	0	0
Debt	479	482
Non-recourse debt, net	0	0
Deferred revenues	0	0
Deferred income tax liabilities	0	0
Total equity	400	518
TOTAL LIABILITIES AND EQUITY	879	1,001
Guarantors
ASSETS
Cash and cash equivalents	74	230
Restricted cash	45	29
Accounts receivable, net	115	113
Timeshare financing receivables, net	393	457
Inventory	554	509
Property and equipment, net	231	232
Investment in unconsolidated affiliate	37	41
Intangible assets, net	73	72
Other assets	98	36
Investments in subsidiaries	197	81
TOTAL ASSETS (variable interest entities - $432 and $471)	1,817	1,800
LIABILITIES AND EQUITY
Accounts payable, accrued expenses and other	293	338
Advanced deposits	92	104
Debt	0	0
Non-recourse debt, net	0	0
Deferred revenues	326	109
Deferred income tax liabilities	229	250
Total equity	877	999
TOTAL LIABILITIES AND EQUITY	1,817	1,800
Non-Guarantors
ASSETS
Cash and cash equivalents	11	16
Restricted cash	24	22
Accounts receivable, net	8	5
Timeshare financing receivables, net	681	614
Inventory	10	0
Property and equipment, net	4	6
Investment in unconsolidated affiliate	0	0
Intangible assets, net	0	0
Other assets	12	7
Investments in subsidiaries	0	0
TOTAL ASSETS (variable interest entities - $432 and $471)	750	670
LIABILITIES AND EQUITY
Accounts payable, accrued expenses and other	10	7
Advanced deposits	0	0
Debt	0	0
Non-recourse debt, net	544	583
Deferred revenues	0	0
Deferred income tax liabilities	(1)	(1)
Total equity	197	81
TOTAL LIABILITIES AND EQUITY	$ 750	$ 670