Timeshare Financing Receivables - Schedule of Change in Allowance For Financing Receivables Losses (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Provision for financing receivables losses	$ 103	$ 77
Originated
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Allowance for financing receivable losses, beginning balance	280	211
Provision for financing receivables losses	101	77
Initial allowance for PCD financing receivables acquired during the period		0
Write-offs	(52)	(50)
Upgrades	45
Allowance for financing receivable losses, ending balance	374	238
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
Initial allowance for PCD financing receivables acquired during the period		469
Write-offs	(63)	(7)
Upgrades	(31)
Allowance for financing receivable losses, ending balance	$ 388	$ 462