Condensed Consolidating Guarantor Financial Information - Balance Sheet (Details) - USD ($) $ in Millions		Mar. 31, 2019	Dec. 31, 2018	Mar. 31, 2018	Dec. 31, 2017
ASSETS
Cash and cash equivalents		$ 158	$ 108
Restricted cash		64	72
Accounts receivable, net		146	153
Timeshare financing receivables, net		1,111	1,120
Inventory		529	527
Property and equipment, net		644	559
Operating lease right of use assets, net		66
Investments in unconsolidated affiliates		40	38
Intangible assets, net		80	81
Other assets		123	95
Investments in subsidiaries		0	0
TOTAL ASSETS (variable interest entities - $608 and $647)		2,961	2,753
LIABILITIES AND EQUITY
Accounts payable, accrued expenses and other		286	324
Advanced deposits		106	101
Debt, net		800	604
Non-recourse debt, net		720	759
Operating lease liabilities	[1]	78
Deferred revenues		135	95
Deferred income tax liabilities		261	254
Total equity		575	616	$ 400	$ 518
TOTAL LIABILITIES AND EQUITY		2,961	2,753
Parent
ASSETS
Cash and cash equivalents		13	4
Restricted cash		0	0
Accounts receivable, net		25	0
Timeshare financing receivables, net		0	0
Inventory		0	0
Property and equipment, net		0	0
Operating lease right of use assets, net		0
Investments in unconsolidated affiliates		0	0
Intangible assets, net		0	0
Other assets		0	0
Investments in subsidiaries		543	612
TOTAL ASSETS (variable interest entities - $608 and $647)		581	616
LIABILITIES AND EQUITY
Accounts payable, accrued expenses and other		6	0
Advanced deposits		0	0
Debt, net		0	0
Non-recourse debt, net		0	0
Operating lease liabilities		0
Deferred revenues		0	0
Deferred income tax liabilities		0	0
Total equity		575	616
TOTAL LIABILITIES AND EQUITY		581	616
Issuers
ASSETS
Cash and cash equivalents		0	0
Restricted cash		0	0
Accounts receivable, net		25	0
Timeshare financing receivables, net		0	0
Inventory		0	0
Property and equipment, net		0	0
Operating lease right of use assets, net		0
Investments in unconsolidated affiliates		0	0
Intangible assets, net		0	0
Other assets		6	6
Investments in subsidiaries		1,314	1,210
TOTAL ASSETS (variable interest entities - $608 and $647)		1,345	1,216
LIABILITIES AND EQUITY
Accounts payable, accrued expenses and other		25	0
Advanced deposits		0	0
Debt, net		777	604
Non-recourse debt, net		0	0
Operating lease liabilities		0
Deferred revenues		0	0
Deferred income tax liabilities		0	0
Total equity		543	612
TOTAL LIABILITIES AND EQUITY		1,345	1,216
Guarantors
ASSETS
Cash and cash equivalents		122	89
Restricted cash		38	45
Accounts receivable, net		146	157
Timeshare financing receivables, net		255	209
Inventory		497	502
Property and equipment, net		637	553
Operating lease right of use assets, net		66
Investments in unconsolidated affiliates		40	38
Intangible assets, net		80	81
Other assets		69	41
Investments in subsidiaries		276	277
TOTAL ASSETS (variable interest entities - $608 and $647)		2,226	1,992
LIABILITIES AND EQUITY
Accounts payable, accrued expenses and other		310	332
Advanced deposits		106	101
Debt, net		23	0
Non-recourse debt, net		0	0
Operating lease liabilities		78
Deferred revenues		135	95
Deferred income tax liabilities		260	254
Total equity		1,314	1,210
TOTAL LIABILITIES AND EQUITY		2,226	1,992
Non-Guarantors
ASSETS
Cash and cash equivalents		23	15
Restricted cash		26	27
Accounts receivable, net		18	17
Timeshare financing receivables, net		856	911
Inventory		32	25
Property and equipment, net		7	6
Operating lease right of use assets, net		0
Investments in unconsolidated affiliates		0	0
Intangible assets, net		0	0
Other assets		48	48
Investments in subsidiaries		0	0
TOTAL ASSETS (variable interest entities - $608 and $647)		1,010	1,049
LIABILITIES AND EQUITY
Accounts payable, accrued expenses and other		13	13
Advanced deposits		0	0
Debt, net		0	0
Non-recourse debt, net		720	759
Operating lease liabilities		0
Deferred revenues		0	0
Deferred income tax liabilities		1	0
Total equity		276	277
TOTAL LIABILITIES AND EQUITY		1,010	1,049
Eliminations
ASSETS
Cash and cash equivalents		0	0
Restricted cash		0	0
Accounts receivable, net		(68)	(21)
Timeshare financing receivables, net		0	0
Inventory		0	0
Property and equipment, net		0	0
Operating lease right of use assets, net		0
Investments in unconsolidated affiliates		0	0
Intangible assets, net		0	0
Other assets		0	0
Investments in subsidiaries		(2,133)	(2,099)
TOTAL ASSETS (variable interest entities - $608 and $647)		(2,201)	(2,120)
LIABILITIES AND EQUITY
Accounts payable, accrued expenses and other		(68)	(21)
Advanced deposits		0	0
Debt, net		0	0
Non-recourse debt, net		0	0
Operating lease liabilities		0
Deferred revenues		0	0
Deferred income tax liabilities		0	0
Total equity		(2,133)	(2,099)
TOTAL LIABILITIES AND EQUITY		$ (2,201)	$ (2,120)

[1] Operating lease payments exclude $2 million of legally binding minimum lease payments for leases signed but not yet commenced.