Revenue from Contracts with Customers - Schedule of Disaggregated Revenues by Segment from Contracts with Customers (Details) - USD ($) $ in Millions		2 Months Ended	3 Months Ended		9 Months Ended
		Sep. 30, 2021	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Disaggregation Of Revenue [Line Items]
Total revenues		$ 245	$ 928	$ 208	$ 1,497	$ 682
Real Estate and Financing Segment
Disaggregation Of Revenue [Line Items]
Total revenues			659	116	976	378
Resort Operations and Club Management Segment
Disaggregation Of Revenue [Line Items]
Total revenues			211	59	390	199
Sales of VOIs, Net
Disaggregation Of Revenue [Line Items]
Total revenues			488	24	597	80
Sales of VOIs, Net | Real Estate and Financing Segment
Disaggregation Of Revenue [Line Items]
Total revenues			488	24	597	80
Sales, Marketing, Brand and Other Fees
Disaggregation Of Revenue [Line Items]
Total revenues			118	52	252	171
Sales, Marketing, Brand and Other Fees | Real Estate and Financing Segment
Disaggregation Of Revenue [Line Items]
Total revenues			118	52	252	171
Interest Income | Real Estate and Financing Segment
Disaggregation Of Revenue [Line Items]
Total revenues			46	34	108	108
Other Financing Revenue | Real Estate and Financing Segment
Disaggregation Of Revenue [Line Items]
Total revenues			7	6	19	19
Club Management | Resort Operations and Club Management Segment
Disaggregation Of Revenue [Line Items]
Total revenues			42	23	98	70
Resort Management | Resort Operations and Club Management Segment
Disaggregation Of Revenue [Line Items]
Total revenues			57	16	94	52
Rental | Resort Operations and Club Management Segment
Disaggregation Of Revenue [Line Items]
Total revenues	[1]		104	19	184	71
Ancillary Services | Resort Operations and Club Management Segment
Disaggregation Of Revenue [Line Items]
Total revenues			$ 8	$ 1	$ 14	$ 6

[1] Excludes intersegment eliminations. See Note 20: Business Segments for additional information.