Summary of Significant Accounting Policies - Additional Information (Details)	1 Months Ended		3 Months Ended	12 Months Ended
	Aug. 31, 2021	Mar. 31, 2021	Dec. 31, 2021 USD ($) Country	Dec. 31, 2021 USD ($) Country	Dec. 31, 2020 USD ($) Country	Dec. 31, 2019 USD ($) Country
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Intangible impairment charges			$ 209,000,000	$ 0	$ 0	$ 0
Contract cost			13,000,000	13,000,000
Commission expense for certain vacation package sales				33,000,000
Adjustments on inventory reacquired upon related receivables			0	0
Compensation expense recognized				$ 5,000,000	$ 5,000,000	$ 13,000,000
Performance Shares
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Award vesting period		2 years			3 years
Performance Shares | VOI sale
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Award vesting percentage	33.00%	50.00%			30.00%
Performance Shares | Adjusted EBITDA
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Award vesting percentage	67.00%	50.00%			70.00%
Performance Shares | Contract Sales | VOI sale
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Award vesting percentage	33.00%	50.00%
Computer Equipment and Acquired Software
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Property and equipment, estimated useful life				3 years
Land and Infrastructure
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Intangible impairment charges			201,000,000
Property and Equipment
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Intangible impairment charges			$ 8,000,000
Management Agreements
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Merger agreement completion date				Oct. 24, 2007
Maximum | Restricted Stock Units (RSUs)
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Award vesting period				3 years
Maximum | Stock Options
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Award vesting period				3 years
Award termination period from date of grant or earlier				10 years
Maximum | Buildings and Improvements
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Property and equipment, estimated useful life				40 years
Maximum | Furniture and Equipment
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Property and equipment, estimated useful life				8 years
Maximum | Cloud Computing Arrangements
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Estimated useful life				5 years
Maximum | Total Revenue | Customer Concentration Risk | Single Customer
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Concentration Risk, Percentage				10.00%	10.00%	10.00%
Minimum | Buildings and Improvements
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Property and equipment, estimated useful life				8 years
Minimum | Furniture and Equipment
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Property and equipment, estimated useful life				3 years
Minimum | Cloud Computing Arrangements
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Estimated useful life				3 years
Non-US
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Number of countries representing more than 10 percent of total revenue | Country			0	0	0	0
Number of countries representing over 10 percent of total property and equipment, net | Country			0	0		0
Other Assets
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Deferred selling expenses			$ 25,000,000	$ 25,000,000	$ 29,000,000