Condensed Consolidating Guarantor Financial Information - Statements of Operations (Details) - USD ($)		3 Months Ended
		Mar. 31, 2018	Mar. 31, 2017
Revenues
Sales of VOIs, net		$ 78,000,000	$ 118,000,000
Sales, marketing, brand and other fees		125,000,000	130,000,000
Financing		38,000,000	35,000,000
Resort and club management		39,000,000	36,000,000
Rental and ancillary services		51,000,000	46,000,000
Cost reimbursements		36,000,000	34,000,000
Total revenues		367,000,000	399,000,000
Expenses
Cost of VOI sales		19,000,000	33,000,000
Sales and marketing		161,000,000	152,000,000
Financing		11,000,000	10,000,000
Resort and club management		11,000,000	10,000,000
Rental and ancillary services		28,000,000	27,000,000
General and administrative		23,000,000	23,000,000
Depreciation and amortization		8,000,000	7,000,000
License fee expense		23,000,000	20,000,000
Cost reimbursements		36,000,000	34,000,000
Total operating expenses		320,000,000	316,000,000
Interest expense		(7,000,000)	(7,000,000)
Equity in earnings from unconsolidated affiliates		1,000,000	0
Other loss, net		(1,000,000)	0
Income before income taxes		40,000,000	76,000,000
Income tax expense		(10,000,000)	(26,000,000)
Income (loss) before equity in earnings (loss) from subsidiaries		30,000,000	50,000,000
Equity in earnings (loss) from subsidiaries		0	0
Net income	[1]	30,170,029	50,212,615
Eliminations
Revenues
Sales of VOIs, net		0	0
Sales, marketing, brand and other fees		(2,000,000)	(4,000,000)
Financing		(1,000,000)	(2,000,000)
Resort and club management		0	0
Rental and ancillary services		0	0
Cost reimbursements		0	0
Total revenues		(3,000,000)	(6,000,000)
Expenses
Cost of VOI sales		0	0
Sales and marketing		(2,000,000)	(4,000,000)
Financing		(1,000,000)	(2,000,000)
Resort and club management		0	0
Rental and ancillary services		0	0
General and administrative		0	0
Depreciation and amortization		0	0
License fee expense		0	0
Cost reimbursements		0	0
Total operating expenses		(3,000,000)	(6,000,000)
Interest expense		0	0
Equity in earnings from unconsolidated affiliates		0
Other loss, net		0
Income before income taxes		0	0
Income tax expense		0
Income (loss) before equity in earnings (loss) from subsidiaries		0	0
Equity in earnings (loss) from subsidiaries		(79,000,000)	(128,000,000)
Net income		(79,000,000)	(128,000,000)
Parent
Revenues
Sales of VOIs, net		0	0
Sales, marketing, brand and other fees		0	0
Financing		0	0
Resort and club management		0	0
Rental and ancillary services		0	0
Cost reimbursements		0	0
Total revenues		0	0
Expenses
Cost of VOI sales		0	0
Sales and marketing		0	0
Financing		0	0
Resort and club management		0	0
Rental and ancillary services		0	0
General and administrative		0	0
Depreciation and amortization		0	0
License fee expense		0	0
Cost reimbursements		0	0
Total operating expenses		0	0
Interest expense		0	0
Equity in earnings from unconsolidated affiliates		0
Other loss, net		0
Income before income taxes		0	0
Income tax expense		0
Income (loss) before equity in earnings (loss) from subsidiaries		0	0
Equity in earnings (loss) from subsidiaries		30,000,000	50,000,000
Net income		30,000,000	50,000,000
Issuers
Revenues
Sales of VOIs, net		0	0
Sales, marketing, brand and other fees		0	0
Financing		0	0
Resort and club management		0	0
Rental and ancillary services		0	0
Cost reimbursements		0	0
Total revenues		0	0
Expenses
Cost of VOI sales		0	0
Sales and marketing		0	0
Financing		0	0
Resort and club management		0	0
Rental and ancillary services		0	0
General and administrative		0	0
Depreciation and amortization		0	0
License fee expense		0	0
Cost reimbursements		0	0
Total operating expenses		0	0
Interest expense		(7,000,000)	(7,000,000)
Equity in earnings from unconsolidated affiliates		0
Other loss, net		0
Income before income taxes		(7,000,000)	(7,000,000)
Income tax expense		0
Income (loss) before equity in earnings (loss) from subsidiaries		(7,000,000)	(7,000,000)
Equity in earnings (loss) from subsidiaries		37,000,000	57,000,000
Net income		30,000,000	50,000,000
Guarantors
Revenues
Sales of VOIs, net		77,000,000	103,000,000
Sales, marketing, brand and other fees		126,000,000	134,000,000
Financing		20,000,000	15,000,000
Resort and club management		39,000,000	34,000,000
Rental and ancillary services		50,000,000	46,000,000
Cost reimbursements		35,000,000	33,000,000
Total revenues		347,000,000	365,000,000
Expenses
Cost of VOI sales		19,000,000	32,000,000
Sales and marketing		161,000,000	151,000,000
Financing		5,000,000	5,000,000
Resort and club management		11,000,000	9,000,000
Rental and ancillary services		27,000,000	27,000,000
General and administrative		23,000,000	23,000,000
Depreciation and amortization		8,000,000	7,000,000
License fee expense		23,000,000	20,000,000
Cost reimbursements		35,000,000	33,000,000
Total operating expenses		312,000,000	307,000,000
Interest expense		0	0
Equity in earnings from unconsolidated affiliates		1,000,000
Other loss, net		(1,000,000)
Income before income taxes		35,000,000	58,000,000
Income tax expense		(10,000,000)	(22,000,000)
Income (loss) before equity in earnings (loss) from subsidiaries		25,000,000	36,000,000
Equity in earnings (loss) from subsidiaries		12,000,000	21,000,000
Net income		37,000,000	57,000,000
Non-Guarantors
Revenues
Sales of VOIs, net		1,000,000	15,000,000
Sales, marketing, brand and other fees		1,000,000	0
Financing		19,000,000	22,000,000
Resort and club management		0	2,000,000
Rental and ancillary services		1,000,000	0
Cost reimbursements		1,000,000	1,000,000
Total revenues		23,000,000	40,000,000
Expenses
Cost of VOI sales		0	1,000,000
Sales and marketing		2,000,000	5,000,000
Financing		7,000,000	7,000,000
Resort and club management		0	1,000,000
Rental and ancillary services		1,000,000	0
General and administrative		0	0
Depreciation and amortization		0	0
License fee expense		0	0
Cost reimbursements		1,000,000	1,000,000
Total operating expenses		11,000,000	15,000,000
Interest expense		0	0
Equity in earnings from unconsolidated affiliates		0
Other loss, net		0
Income before income taxes		12,000,000	25,000,000
Income tax expense		0	(4,000,000)
Income (loss) before equity in earnings (loss) from subsidiaries		12,000,000	21,000,000
Equity in earnings (loss) from subsidiaries		0	0
Net income		$ 12,000,000	$ 21,000,000

[1] Net income for the three months ended March 31, 2018 and 2017 was $30,170,029 and $50,212,615, respectively.