Debt & Non-recourse Debt - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2023	Dec. 31, 2022
Debt Instrument [Line Items]
Remaining borrowing capacity	$ 671
Interest paid	705
Accumulated other comprehensive loss, qualifying as hedge	51	$ 63
Reserves Related to Non-Recourse Debt
Debt Instrument [Line Items]
Restricted cash	50	$ 50
Secured Debt \| Timeshare Facility with an average rate of 5.890%, due 2025(3)
Debt Instrument [Line Items]
Remaining borrowing capacity	575
Revolving Credit Facility \| Senior Secured Credit Facilities
Debt Instrument [Line Items]
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	$ 1

Amount, after tax, of accumulated gain (loss) from increase (decrease) in value of excluded component of derivative hedge.

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