Business Segments - Schedule of Adjusted EBITDA Reconciled to Net Income (Details) - USD ($)		3 Months Ended		9 Months Ended
		Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
General and administrative		$ (23,000,000)	$ (24,000,000)	$ (75,000,000)	$ (61,000,000)
Depreciation and amortization		(7,000,000)	(6,000,000)	(21,000,000)	(17,000,000)
License fee expense		(22,000,000)	(22,000,000)	(65,000,000)	(61,000,000)
Other loss, net		0	0	0	1,000,000
Gain on foreign currency transactions		(1,000,000)	(1,000,000)	(1,000,000)	(2,000,000)
Allocated Parent interest expense		0	(7,000,000)	0	(20,000,000)
Interest expense		(7,000,000)	0	(21,000,000)	0
Income tax expense		(28,000,000)	(33,000,000)	(87,000,000)	(98,000,000)
Equity in earnings from unconsolidated affiliate		1,000,000	0	1,000,000	0
Net income	[1]	42,700,978	34,597,597	143,742,500	129,727,071
Operating segments
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Segment Adjusted EBITDA		131,000,000	127,000,000	416,000,000	389,000,000
Operating segments | Real estate sales and financing
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Segment Adjusted EBITDA		81,000,000	85,000,000	263,000,000	250,000,000
Operating segments | Resort operations and club management
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Segment Adjusted EBITDA		50,000,000	42,000,000	153,000,000	139,000,000
Segment Reconciling Items
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
General and administrative		(23,000,000)	(24,000,000)	(75,000,000)	(61,000,000)
Depreciation and amortization		(7,000,000)	(6,000,000)	(21,000,000)	(17,000,000)
License fee expense		(22,000,000)	(22,000,000)	(65,000,000)	(61,000,000)
Other loss, net		0	0	0	(1,000,000)
Gain on foreign currency transactions		1,000,000	1,000,000	1,000,000	2,000,000
Allocated Parent interest expense		0	(7,000,000)	0	(20,000,000)
Interest expense		(7,000,000)	0	(21,000,000)	0
Income tax expense		(28,000,000)	(33,000,000)	(87,000,000)	(98,000,000)
Equity in earnings from unconsolidated affiliate		1,000,000	0	1,000,000	0
Other adjustment items		$ (3,000,000)	$ (1,000,000)	$ (5,000,000)	$ (3,000,000)

[1] Net income for the three months ended September 30, 2017 and 2016 was $42,700,978 and $34,597,597, respectively, and for the nine months ended September 30, 2017 and 2016 was $143,742,500 and $129,727,071, respectively.