Business Segments - Schedule of Assets Reconciled to Consolidated Amounts (Details) - USD ($) $ in Millions	Dec. 31, 2020	Dec. 31, 2019
Segment Reporting Asset Reconciling Item [Line Items]
Assets, variable interest entity	$ 3,134	$ 3,079
Land and Infrastructure Held for Sale
Segment Reporting Asset Reconciling Item [Line Items]
Assets, variable interest entity	41
Operating segments
Segment Reporting Asset Reconciling Item [Line Items]
Assets, variable interest entity	2,918	2,949
Operating segments | Real Estate and Financing Segment
Segment Reporting Asset Reconciling Item [Line Items]
Assets, variable interest entity	2,839	2,753
Operating segments | Resort Operations and Club Management Segment
Segment Reporting Asset Reconciling Item [Line Items]
Assets, variable interest entity	79	196
Corporate
Segment Reporting Asset Reconciling Item [Line Items]
Assets, variable interest entity	$ 175	$ 130