Timeshare Financing Receivables - Schedule of Change in Allowance For Financing Receivables Losses (Details) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2021		Dec. 31, 2020		Dec. 31, 2019
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Provision for financing receivables losses		$ 121		$ 75		$ 74
Initial allowance for PCD financing receivables acquired during the period(2)		512
Originated
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Allowance for loan loss, beginning balance		211	[1]	184		172
Provision for financing receivables losses		121	[2]	75	[3]	74	[2]
Initial allowance for PCD financing receivables acquired during the period(2)	[3]	0
Securitizations				0		0
Write-offs		(79)		(48)		(62)
Upgrades	[4]	27
Allowance for loan loss, ending balance		280	[1]	211	[1]	184
Acquired
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Allowance for loan loss, beginning balance
Provision for financing receivables losses				0	[3]	0	[2]
Initial allowance for PCD financing receivables acquired during the period(2)	[3]	512
Securitizations				0		0
Write-offs		(11)
Upgrades	[4]	19
Allowance for loan loss, ending balance		$ 482	[1]

[1] A non-credit premium of $97 million was recognized at the Acquisition Date. $74 million of this premium remains unamortized as of December 31, 2021.

[2] Includes incremental provision for financing receivables losses, net of activity related to the repurchase of defaulted and upgraded securitized timeshare financing receivables.

[3] The initial gross allowance determined for receivables with credit deterioration was $512 million as of the Acquisition Date. Of this amount, approximately $249 million relates to net uncollectible balances such as loans that were fully written-off prior to the Acquisition. Therefore, the net impact to the allowance related to acquired loans not previously written off was an increase of $263 million.

[4] Represents the initial change in allowance resulting from upgrades of Acquired loans. Upgraded Acquired loans and their related allowance are included in the Originated portfolio segment.