Condensed Consolidating Guarantor Financial Information - Statements of Operations (Details) - USD ($)		3 Months Ended
		Mar. 31, 2019	Mar. 31, 2018
Revenues
Total revenues		$ 450,000,000	$ 367,000,000
Expenses
General and administrative		25,000,000	23,000,000
Depreciation and amortization		10,000,000	8,000,000
Total operating expenses		365,000,000	320,000,000
Interest expense		(10,000,000)	(7,000,000)
Equity in earnings from unconsolidated affiliates		1,000,000	1,000,000
Other loss, net		(1,000,000)	(1,000,000)
Income before income taxes		75,000,000	40,000,000
Income tax expense		(20,000,000)	(10,000,000)
Income (loss) before equity in earnings (loss) from subsidiaries		55,000,000	30,000,000
Net income	[1]	55,067,801	30,170,029
Eliminations
Revenues
Total revenues		(13,000,000)	(3,000,000)
Expenses
Total operating expenses		(13,000,000)	(3,000,000)
Dividends from subsidiary		(250,000,000)
Income before income taxes		(250,000,000)
Income (loss) before equity in earnings (loss) from subsidiaries		(250,000,000)
Equity in (loss) earnings from subsidiaries		(13,000,000)	(79,000,000)
Net income		(263,000,000)	(79,000,000)
Sales of VOIs, Net
Revenues
Total revenues		125,000,000	78,000,000
Sales, marketing, license and other fees
Revenues
Total revenues		141,000,000	125,000,000
Sales, marketing, license and other fees | Eliminations
Revenues
Total revenues		(11,000,000)	(2,000,000)
Financing
Revenues
Total revenues		41,000,000	38,000,000
Expenses
Expenses		13,000,000	11,000,000
Financing | Eliminations
Revenues
Total revenues		(2,000,000)	(1,000,000)
Expenses
Expenses		(2,000,000)	(1,000,000)
Resort and Club Management
Revenues
Total revenues		42,000,000	39,000,000
Expenses
Expenses		11,000,000	11,000,000
Rental and Ancillary Services
Revenues
Total revenues		59,000,000	51,000,000
Expenses
Expenses		35,000,000	28,000,000
Cost Reimbursements
Revenues
Total revenues		42,000,000	36,000,000
Expenses
Expenses		42,000,000	36,000,000
Cost of VOI Sales
Expenses
Expenses		36,000,000	19,000,000
Sales and Marketing
Expenses
Expenses		170,000,000	161,000,000
Sales and Marketing | Eliminations
Expenses
Expenses		(11,000,000)	(2,000,000)
License Fee Expense
Expenses
Expenses		23,000,000	23,000,000
Parent
Expenses
Dividends from subsidiary		125,000,000
Income before income taxes		125,000,000
Income (loss) before equity in earnings (loss) from subsidiaries		125,000,000
Equity in (loss) earnings from subsidiaries		(70,000,000)	30,000,000
Net income		55,000,000	30,000,000
Issuers
Expenses
Interest expense		(10,000,000)	(7,000,000)
Dividends from subsidiary		125,000,000
Income before income taxes		115,000,000	(7,000,000)
Income (loss) before equity in earnings (loss) from subsidiaries		115,000,000	(7,000,000)
Equity in (loss) earnings from subsidiaries		65,000,000	37,000,000
Net income		180,000,000	30,000,000
Guarantors
Revenues
Total revenues		417,000,000	347,000,000
Expenses
General and administrative		25,000,000	23,000,000
Depreciation and amortization		10,000,000	8,000,000
Total operating expenses		350,000,000	312,000,000
Equity in earnings from unconsolidated affiliates		1,000,000	1,000,000
Other loss, net		(1,000,000)	(1,000,000)
Income before income taxes		67,000,000	35,000,000
Income tax expense		(20,000,000)	(10,000,000)
Income (loss) before equity in earnings (loss) from subsidiaries		47,000,000	25,000,000
Equity in (loss) earnings from subsidiaries		18,000,000	12,000,000
Net income		65,000,000	37,000,000
Guarantors | Sales of VOIs, Net
Revenues
Total revenues		107,000,000	77,000,000
Guarantors | Sales, marketing, license and other fees
Revenues
Total revenues		151,000,000	126,000,000
Guarantors | Financing
Revenues
Total revenues		18,000,000	20,000,000
Expenses
Expenses		4,000,000	5,000,000
Guarantors | Resort and Club Management
Revenues
Total revenues		42,000,000	39,000,000
Expenses
Expenses		11,000,000	11,000,000
Guarantors | Rental and Ancillary Services
Revenues
Total revenues		58,000,000	50,000,000
Expenses
Expenses		34,000,000	27,000,000
Guarantors | Cost Reimbursements
Revenues
Total revenues		41,000,000	35,000,000
Expenses
Expenses		41,000,000	35,000,000
Guarantors | Cost of VOI Sales
Expenses
Expenses		33,000,000	19,000,000
Guarantors | Sales and Marketing
Expenses
Expenses		170,000,000	161,000,000
Guarantors | License Fee Expense
Expenses
Expenses		22,000,000	23,000,000
Non-Guarantors
Revenues
Total revenues		46,000,000	23,000,000
Expenses
Total operating expenses		28,000,000	11,000,000
Income before income taxes		18,000,000	12,000,000
Income (loss) before equity in earnings (loss) from subsidiaries		18,000,000	12,000,000
Net income		18,000,000	12,000,000
Non-Guarantors | Sales of VOIs, Net
Revenues
Total revenues		18,000,000	1,000,000
Non-Guarantors | Sales, marketing, license and other fees
Revenues
Total revenues		1,000,000	1,000,000
Non-Guarantors | Financing
Revenues
Total revenues		25,000,000	19,000,000
Expenses
Expenses		11,000,000	7,000,000
Non-Guarantors | Rental and Ancillary Services
Revenues
Total revenues		1,000,000	1,000,000
Expenses
Expenses		1,000,000	1,000,000
Non-Guarantors | Cost Reimbursements
Revenues
Total revenues		1,000,000	1,000,000
Expenses
Expenses		1,000,000	1,000,000
Non-Guarantors | Cost of VOI Sales
Expenses
Expenses		3,000,000
Non-Guarantors | Sales and Marketing
Expenses
Expenses		11,000,000	$ 2,000,000
Non-Guarantors | License Fee Expense
Expenses
Expenses		$ 1,000,000

[1] Net income for the three months ended March 31, 2019 and 2018 was $55,067,801 and $30,170,029, respectively.