Business Segments - Schedule of Capital Expenditures for Property and Equipment Reconciled to Consolidated Amounts (Details) - USD ($) $ in Millions	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Segment Reporting Capital Expenditure For Property And Equipment Reconciling Item [Line Items]
Total capital expenditures for property and equipment	$ 26	$ 37	$ 44
Operating segments
Segment Reporting Capital Expenditure For Property And Equipment Reconciling Item [Line Items]
Total capital expenditures for property and equipment	18	24	36
Operating segments | Real Estate and Financing Segment
Segment Reporting Capital Expenditure For Property And Equipment Reconciling Item [Line Items]
Total capital expenditures for property and equipment	18	19	36
Operating segments | Resort Operations and Club Management Segment
Segment Reporting Capital Expenditure For Property And Equipment Reconciling Item [Line Items]
Total capital expenditures for property and equipment		5
Corporate
Segment Reporting Capital Expenditure For Property And Equipment Reconciling Item [Line Items]
Total capital expenditures for property and equipment	$ 8	$ 13	$ 8