Debt & Non-recourse Debt - Additional Information (Details) - USD ($) $ in Millions				12 Months Ended
		Dec. 31, 2021	Jun. 30, 2021	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Mar. 31, 2021
Debt Instrument [Line Items]
Debt issuance costs	[1],[2]	$ 61		$ 61	$ 5
Debt extinguishment costs				20
Debt issuance discounts		6		6
Amortization of deferred financing costs, acquisition premiums and other				39	18	$ 17
Repayment amount				359	475	$ 376
Debt instrument, face amount		2,030		2,030
Principal amount outstanding	[3]	2,974		2,974	1,164
Term loan outstanding		168		168
Notional values of interest rate swaps				350
Accumulated other comprehensive income		0		0	0
Accumulated other comprehensive loss, Qualifying as hedge		2		2
Restricted cash		263		263	98
Interest expense
Debt Instrument [Line Items]
Amortization of deferred financing costs, acquisition premiums and other				2
Reserves related to non-recourse debt
Debt Instrument [Line Items]
Restricted cash	[4]	67		67	29
Senior notes with a rate of 6.125%, due 2024
Debt Instrument [Line Items]
Remaining borrowing capacity		150		150
Term loans with an average rate of 2.70%, due 2023
Debt Instrument [Line Items]
Remaining borrowing capacity		125		125
Senior notes with a rate of 4.875%, due 2031
Debt Instrument [Line Items]
Principal amount outstanding			$ 500
Senior notes with a rate of 5.000%, due 2029
Debt Instrument [Line Items]
Principal amount outstanding			850
Timeshare Facility
Debt Instrument [Line Items]
Term loan outstanding		450		450
Conduit Facility Due In 2023
Debt Instrument [Line Items]
Conduit facility amount due				125
Conduit Facility Due In 2024
Debt Instrument [Line Items]
Conduit facility amount due				$ 8
LIBOR
Debt Instrument [Line Items]
Interest rate on revolving credit facility description				Such interest rates swaps converted the LIBOR based variable rates on our Term Loan and Revolver to average fixed rates of 1.44 percent per annum through May 2028 and 0.53 percent per annum through November 2023, respectively, for the balance on these borrowings up to the notional values of our interest rate swaps.
Senior Secured Credit Facilities
Debt Instrument [Line Items]
Debt instrument repaid amount				$ 363
Repayment amount				360
Senior Notes		300		300
Paid off remaining Debt				363
Letters of Credit Outstanding, Amount		2		2
Senior Secured Credit Facilities | Debt Instrument, Redemption, Period One
Debt Instrument [Line Items]
Debt instrument repaid amount				14
Paid off remaining Debt				14
Line of Credit
Debt Instrument [Line Items]
Debt issuance costs		33		33	1
Line of Credit | Senior notes with a rate of 6.125%, due 2024
Debt Instrument [Line Items]
Principal amount outstanding	[3]	0		0	300
Line of Credit | Term loans with an average rate of 2.70%, due 2023
Debt Instrument [Line Items]
Debt instrument repaid amount				177
Paid off remaining Debt				177
Line of Credit | Senior notes with a rate of 5.000%, due 2029
Debt Instrument [Line Items]
Principal amount outstanding	[3]	850		$ 850	0
Debt instrument, maturity year				2029
Senior Notes
Debt Instrument [Line Items]
Debt issuance costs		$ 22	$ 24	$ 22	4
Senior Notes | Senior notes with a rate of 6.125%, due 2024
Debt Instrument [Line Items]
Debt instrument, stated interest rate		6.125%		6.125%
Debt instrument, maturity year				2024
Senior Notes | Senior notes with a rate of 4.875%, due 2031
Debt Instrument [Line Items]
Principal amount outstanding	[3]	$ 500		$ 500	0
Debt instrument, stated interest rate		4.875%	4.875%	4.875%
Debt instrument, maturity year			2031	2031
Senior Notes | Senior notes with a rate of 5.000%, due 2029
Debt Instrument [Line Items]
Debt instrument, stated interest rate		5.00%	5.00%	5.00%
Debt instrument, maturity year			2029
Revolving Credit Facility Amended
Debt Instrument [Line Items]
Debt issuance costs		$ 5		$ 5			$ 1
Debt instrument, term		2028 years
Refinanced principal balance		$ 300
Refinanced, Description		Upon the execution of the recast, we refinanced the existing $300 million principal balance on the revolver due in 2023 into the new revolver due in 2028.
Subsequent repayment		$ 300
Revolving Credit Facility Amended | Maximum
Debt Instrument [Line Items]
Increased Capacity Of Revolving Credit Facility Amount		1,000
Revolving Credit Facility Amended | Minimum
Debt Instrument [Line Items]
Increased Capacity Of Revolving Credit Facility Amount		$ 800
Revolving Credit Facility Amended | LIBOR
Debt Instrument [Line Items]
Debt instrument, stated interest rate		2.00%		2.00%
Revolving Credit Facility
Debt Instrument [Line Items]
Debt issuance costs		$ 5		$ 5
Debt issuance discounts					$ 4
Debt instrument repaid amount				260
Paid off remaining Debt				$ 260
Revolving Credit Facility | LIBOR
Debt Instrument [Line Items]
Derivative fixed interest rate		0.53%		0.53%
Revolving Credit Facility | Senior Secured Credit Facilities
Debt Instrument [Line Items]
Letters of Credit Outstanding, Amount		$ 1		$ 1
Term Loan | LIBOR
Debt Instrument [Line Items]
Derivative fixed interest rate		1.44%		1.44%
Secured Term B Loan Facility
Debt Instrument [Line Items]
Debt issuance costs		$ 32		$ 32
Debt issuance discounts		$ 6		$ 6
Debt instrument, term				7 years
Proceeds from credit facility				$ 1,300

[1] Amount does not include deferred financing costs of $5 and $4 million as of December 31, 2021 and 2020, respectively, relating to our revolving facility included in Other Assets in our consolidated balance sheets.

[2] Amount includes deferred financing costs related to our term loan and senior notes of $33 million and $22 million, respectively, as of December 31, 2021 and $1 million and $4 million, respectively, as of December 31, 2020. This amount also includes original issuance discounts of $6 million as of December 31, 2021.

[3] As of December 31, 2021 and 2020, weighted-average interest rates were 4.052% and 3.357% , respectively.

[4] See Note 15: Debt & Non-recourse Debt for further discussion.