Fair Value Measurements - Schedule of Carrying and Estimated Fair Value Amounts (Details) - USD ($) $ in Millions	Dec. 31, 2021		Dec. 31, 2020
Carrying Amount
Assets:
Timeshare financing receivables, net	$ 1,747	[1]	$ 974	[2]
Liabilities:
Debt, net	2,913	[3]	1,159	[4]
Non-recourse debt, net	1,328	[3]	766	[4]
Level 1
Assets:
Timeshare financing receivables, net	0	[1]	0	[2]
Liabilities:
Debt, net	2,663	[3]	315	[4]
Non-recourse debt, net	1,080	[3]	0	[4]
Level 3
Assets:
Timeshare financing receivables, net	1,905	[1]	1,248	[2]
Liabilities:
Debt, net	340	[3]	871	[4]
Non-recourse debt, net	$ 270	[3]	$ 732	[4]

[1] Carrying amount net of allowance for financing receivables losses.

[2] Carrying amount net of allowance for financing receivables losses.

[3] Carrying amount net of unamortized deferred financing costs and discount.

[4] Carrying amount net of unamortized deferred financing costs and discounts