Basis of Presentation and Summary of Significant Accounting Policies - Additional Information (Details)	12 Months Ended
	Dec. 31, 2020 USD ($) Country	Dec. 31, 2019 USD ($) Country	Dec. 31, 2018 Country
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Reduction in planned investment in inventory	$ 200,000,000
Reduction plan, Description	In October 2020, we completed a workforce reduction plan that impacted approximately 1,500 team members in order to better align our workforce with the Company’s needs in light of the environment, and approximately 1,800 of our team members remain furloughed as of December 31, 2020
Restructuring charges	$ 7,000,000
Percentage of resorts and sales centers operating	85.00%
Club bonus points to customers, maximum valid duration period	2 years
Contract cost	$ 26,000,000
Commission expense for certain vacation package sales	2,000,000
Adjustments on inventory reacquired upon related receivables	0
Compensation expense recognized	$ 5,000,000	$ 13,000,000
Performance Shares
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Award vesting period	3 years
Performance Shares | VOI sale
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Award vesting percentage	30.00%
Performance Shares | Adjusted EBITDA
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Award vesting percentage	70.00%
Computer Equipment and Acquired Software
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Property and equipment, estimated useful life	3 years
Management Agreements | Blackstone
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
Number of countries representing over 10 percent of total property and equipment, net | Country	0	0
Accounts Payable, Accrued Expenses and Other
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Restructuring charges	$ 1,000,000
Other Assets
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Deferred selling expenses	$ 29,000,000	$ 19,000,000