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Debt & Non-recourse Debt - Additional Information (Details) - USD ($) $ in Millions	1 Months Ended	9 Months Ended
	Apr. 30, 2022	Sep. 30, 2022	Aug. 31, 2022	May 31, 2022	Dec. 31, 2021
Debt Instrument [Line Items]
Interest paid		$ 710
Accumulated other comprehensive loss, Qualifying as hedge		67			$ 2
Restricted cash		319			263
Reserves related to non-recourse debt
Debt Instrument [Line Items]
Restricted cash		59			67
Timeshare Facility
Debt Instrument [Line Items]
Long-term debt, gross	$ 246		$ 269
Cash deposits	34
Debt issuance costs	4		5	$ 3
Debt instrument face amount	450			$ 750
3.61% Timeshare Facility
Debt Instrument [Line Items]
Long-term debt, gross	$ 107
Debt instrument, stated interest rate	3.61%
4.10% Timeshare Facility
Debt Instrument [Line Items]
Long-term debt, gross	$ 84
Debt instrument, stated interest rate	4.10%
4.69% Timeshare Facility
Debt Instrument [Line Items]
Long-term debt, gross	$ 22
Debt instrument, stated interest rate	4.69%
6.79% Timeshare Facility
Debt Instrument [Line Items]
Long-term debt, gross	$ 33
Debt instrument, stated interest rate	6.79%
4.30% Timeshare Facility
Debt Instrument [Line Items]
Long-term debt, gross			$ 153
Debt instrument, stated interest rate			430.00%
4.74% Timeshare Facility
Debt Instrument [Line Items]
Long-term debt, gross			$ 73
Debt instrument, stated interest rate			474.00%
5.57% Timeshare Facility
Debt Instrument [Line Items]
Long-term debt, gross			$ 26
Debt instrument, stated interest rate			557.00%
8.73% Timeshare Facility
Debt Instrument [Line Items]
Long-term debt, gross			$ 17
Debt instrument, stated interest rate			873.00%
Senior Notes
Debt Instrument [Line Items]
Debt issuance costs		20			22
Line of Credit
Debt Instrument [Line Items]
Debt issuance costs		27			33
Revolving Credit Facility
Debt Instrument [Line Items]
Debt issuance costs		4			$ 5
Revolving Credit Facility \| Senior Secured Credit Facilities
Debt Instrument [Line Items]
Debt instrument repaid amount		310
Letters of credit outstanding, amount		$ 1
Term Loan \| LIBOR
Debt Instrument [Line Items]
Derivative fixed interest rate		1.32%
Cash Collateral Secured Credit Facilities
Debt Instrument [Line Items]
Letters of credit outstanding, amount		$ 2