CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (UNAUDITED) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Revenues [Abstract]
Revenues	$ 934	$ 779
Costs and Expenses [Abstract]
General and administrative	42	42
Depreciation and amortization	51	60
Impairment expense	0	3
Total operating expenses	804	679
Interest expense	(44)	(33)
Equity in earnings from unconsolidated affiliates	3	3
Other gain, net	1	1
Income before income taxes	90	71
Income tax expense	(17)	(20)
Net income	$ 73	$ 51
Earnings Per Share [Abstract]
Basic (in dollars per share)	$ 0.65	$ 0.42
Diluted (in dollars per share)	$ 0.64	$ 0.42
Sales of VOIs, net
Revenues [Abstract]
Revenues	$ 318	$ 269
Sales, marketing, brand and other fees
Revenues [Abstract]
Revenues	158	119
Financing
Revenues [Abstract]
Revenues	74	64
Costs and Expenses [Abstract]
Expenses	24	19
Resort and club management
Revenues [Abstract]
Revenues	131	125
Costs and Expenses [Abstract]
Expenses	42	36
Rental and ancillary services
Revenues [Abstract]
Revenues	158	136
Costs and Expenses [Abstract]
Expenses	152	132
Cost reimbursements
Revenues [Abstract]
Revenues	95	66
Costs and Expenses [Abstract]
Expenses	95	66
Cost of VOI sales
Costs and Expenses [Abstract]
Expenses	50	40
Sales and marketing
Costs and Expenses [Abstract]
Expenses	301	243
Acquisition and integration-related expense
Costs and Expenses [Abstract]
Expenses	17	13
License fee expense
Costs and Expenses [Abstract]
Expenses	$ 30	$ 25