Timeshare Financing Receivables - Schedule of Change in Allowance For Financing Receivables Losses (Details) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Provision for financing receivables losses	$ 71	$ 28
Originated
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Allowance for financing receivable losses, beginning balance	280	211
Provision for financing receivables losses	71	28
Write-offs	(37)	(36)
Upgrades	34
Allowance for financing receivable losses, ending balance	348	203
Acquired
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Allowance for financing receivable losses, beginning balance	482	0
Provision for financing receivables losses	0	0
Write-offs	(60)	0
Upgrades	(17)
Allowance for financing receivable losses, ending balance	$ 405	$ 0