Condensed Consolidating Guarantor Financial Information - Balance Sheet (Details) - USD ($) $ in Millions	Dec. 31, 2019	Aug. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
ASSETS
Cash and cash equivalents	$ 67		$ 108
Restricted cash	85	$ 21	72
Accounts receivable, net	174		153
Timeshare financing receivables, net	1,156		1,120
Inventory	558		527
Property and equipment, net	778		559
Operating lease right-of-use assets, net	60
Investments in unconsolidated affiliates	44		38
Intangible assets, net	89		81
Other assets	68		95
TOTAL ASSETS (variable interest entities - $748 and $647)	3,079		2,753
LIABILITIES AND EQUITY
Accounts payable, accrued expenses and other	298		324
Advanced deposits	115		101
Debt, net	828		604
Non-recourse debt, net	747		759
Operating lease liabilities	76
Deferred revenues	186		95
Deferred income tax liabilities	259		254
Deferred income tax liabilities	(2)		(1)
Total equity	570		616	$ 518	$ 167
TOTAL LIABILITIES AND EQUITY	3,079		2,753
Parent
ASSETS
Cash and cash equivalents	2		4
Investments in subsidiaries	568		612
TOTAL ASSETS (variable interest entities - $748 and $647)	570		616
LIABILITIES AND EQUITY
Total equity	570		616
TOTAL LIABILITIES AND EQUITY	570		616
Issuers
ASSETS
Other assets	5		6
Investments in subsidiaries	1,364		1,210
TOTAL ASSETS (variable interest entities - $748 and $647)	1,369		1,216
LIABILITIES AND EQUITY
Debt, net	801		604
Total equity	568		612
TOTAL LIABILITIES AND EQUITY	1,369		1,216
Guarantors
ASSETS
Cash and cash equivalents	33		89
Restricted cash	59		45
Accounts receivable, net	192		157
Timeshare financing receivables, net	449		209
Inventory	524		502
Property and equipment, net	718		553
Operating lease right-of-use assets, net	58
Investments in unconsolidated affiliates	44		38
Intangible assets, net	89		81
Other assets	52		41
Investments in subsidiaries	136		277
TOTAL ASSETS (variable interest entities - $748 and $647)	2,354		1,992
LIABILITIES AND EQUITY
Accounts payable, accrued expenses and other	329		332
Advanced deposits	115		101
Debt, net	27
Operating lease liabilities	74
Deferred revenues	186		95
Deferred income tax liabilities	259		254
Total equity	1,364		1,210
TOTAL LIABILITIES AND EQUITY	2,354		1,992
Non-Guarantors
ASSETS
Cash and cash equivalents	32		15
Restricted cash	26		27
Accounts receivable, net	52		17
Timeshare financing receivables, net	707		911
Inventory	34		25
Property and equipment, net	60		6
Operating lease right-of-use assets, net	2
Other assets	11		48
TOTAL ASSETS (variable interest entities - $748 and $647)	924		1,049
LIABILITIES AND EQUITY
Accounts payable, accrued expenses and other	39		13
Non-recourse debt, net	747		759
Operating lease liabilities	2
Total equity	136		277
TOTAL LIABILITIES AND EQUITY	924		1,049
Eliminations
ASSETS
Accounts receivable, net	(70)		(21)
Investments in subsidiaries	(2,068)		(2,099)
TOTAL ASSETS (variable interest entities - $748 and $647)	(2,138)		(2,120)
LIABILITIES AND EQUITY
Accounts payable, accrued expenses and other	(70)		(21)
Total equity	(2,068)		(2,099)
TOTAL LIABILITIES AND EQUITY	$ (2,138)		$ (2,120)