Timeshare Financing Receivables - Schedule of Timeshare Financing Receivables (Details) - USD ($) $ in Millions		Dec. 31, 2021		Dec. 31, 2020		Dec. 31, 2019	Dec. 31, 2018
Accounts Notes And Loans Receivable [Line Items]
Timeshare financing receivables, net		$ 1,747		$ 974
Originated
Accounts Notes And Loans Receivable [Line Items]
Securitized	[1]	587		805
Unsecuritized	[1],[2]	810		380
Timeshare financing receivables	[1]	1,397		1,185
Unamortized non-credit acquisition preminum		97		0	[1],[3]
Less: allowance for financing receivables losses		(280)	[1]	(211)	[1]	$ (184)	$ (172)
Timeshare financing receivables, net	[1]	1,117		974
Acquired
Accounts Notes And Loans Receivable [Line Items]
Securitized	[1]	523		0
Unsecuritized	[1],[2]	515		0
Timeshare financing receivables	[1]	1,038		0
Unamortized non-credit acquisition preminum	[1],[3]	74		0
Less: allowance for financing receivables losses		(482)	[1]
Timeshare financing receivables, net	[1]	$ 630		$ 0

[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 amounts used as collateral to secure a non-recourse revolving timeshare receivable credit facility (“Timeshare Facility”) as well as amounts held as future collateral for upcoming securitization activities.

[3] Acquired timeshare financing receivables include all timeshare financing receivables of Legacy-Diamond as of the Acquisition Date. Originated timeshare financing receivables include all Legacy-HGV timeshare financing receivables and Legacy-Diamond timeshare financing receivables originated after the Acquisition Date.