DEBT AND NON-RECOURSE DEBT - Additional Information (Details) - USD ($) $ in Millions	Jul. 18, 2024	Apr. 08, 2024	Apr. 07, 2024	Jun. 30, 2024	May 31, 2024	Apr. 30, 2024	Jan. 17, 2024	Jan. 10, 2024	Dec. 31, 2023
Debt Instrument [Line Items]
Remaining borrowing capacity				$ 446
Accumulated other comprehensive loss, qualifying as hedge				46					$ 42
Reserves Related to Non-Recourse Debt
Debt Instrument [Line Items]
Restricted cash				62					48
Securitized
Debt Instrument [Line Items]
Timeshare financing receivables, gross					$ 375	$ 240
Variable Interest Entities
Debt Instrument [Line Items]
Junior subordinated debentures outstanding				1,705					1,466
Revolving Credit Facility
Debt Instrument [Line Items]
Debt issuance costs				3					3
Cash Collateral Secured Credit Facilities
Debt Instrument [Line Items]
Letters of credit outstanding, amount				1
Senior Notes
Debt Instrument [Line Items]
Debt issuance costs				26					17
Line of Credit
Debt Instrument [Line Items]
Debt issuance costs				41					21
Senior Secured Credit Facilities | Revolving Credit Facility
Debt Instrument [Line Items]
Letters of credit outstanding, amount				41
Secured Debt
Debt Instrument [Line Items]
Junior subordinated debentures outstanding				$ 1,758					1,482
Senior notes with a rate of 6.625%, due 2032 | Senior Notes
Debt Instrument [Line Items]
Debt instrument face amount							$ 900	$ 900
Debt instrument, stated interest rate (as a percent)				6.625%				6.625%
Senior notes with a rate of 6.625%, due 2032 | Senior Notes | Revolving Credit Facility
Debt Instrument [Line Items]
Junior subordinated debentures outstanding				$ 900					0
Term loan with a rate of 7.829%, due 2028 | Line of Credit
Debt Instrument [Line Items]
Debt instrument, stated interest rate (as a percent)				7.829%
Term loan with a rate of 7.829%, due 2028 | Line of Credit | Revolving Credit Facility
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate		2.50%	2.75%
Derivative fixed interest rate				1.55%
Derivative, notional amount				$ 550
Junior subordinated debentures outstanding				$ 1,264					1,271
Term loan with a rate of 8.079%, due 2031 | Line of Credit
Debt Instrument [Line Items]
Debt instrument, stated interest rate (as a percent)				8.079%
Term loan with a rate of 8.079%, due 2031 | Line of Credit | Revolving Credit Facility
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate			2.75%
Junior subordinated debentures outstanding				$ 898					0
Term loan with a rate of 8.079%, due 2031 | Line of Credit | Revolving Credit Facility | Subsequent Event
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate	2.25%
Junior subordinated debentures | Revolving Credit Facility | Variable Interest Entities
Debt Instrument [Line Items]
Junior subordinated debentures outstanding				171
Timeshare Facility Due 2025 | Senior Notes
Debt Instrument [Line Items]
Debt issuance costs				3					$ 2
Timeshare Facility Due 2025 | Secured Debt
Debt Instrument [Line Items]
Remaining borrowing capacity				$ 750
Timeshare Facility
Debt Instrument [Line Items]
Debt issuance costs					5	4
5.75% Timeshare Facility
Debt Instrument [Line Items]
Debt instrument face amount						$ 101
Debt instrument, stated interest rate (as a percent)						5.75%
5.99% Timeshare Facility
Debt Instrument [Line Items]
Debt instrument face amount					$ 57	$ 58
Debt instrument, stated interest rate (as a percent)					5.99%	5.99%
6.62% Timeshare Facility
Debt Instrument [Line Items]
Debt instrument face amount						$ 46
Debt instrument, stated interest rate (as a percent)						6.62%
6.42% Timeshare Facility
Debt Instrument [Line Items]
Debt instrument face amount						$ 35
Debt instrument, stated interest rate (as a percent)						8.85%
5.50% Timeshare Facility
Debt Instrument [Line Items]
Debt instrument face amount					$ 217
Debt instrument, stated interest rate (as a percent)					5.50%
5.65% Timeshare Facility
Debt Instrument [Line Items]
Debt instrument face amount					$ 80
Debt instrument, stated interest rate (as a percent)					5.65%
6.91% Timeshare Facility
Debt Instrument [Line Items]
Debt instrument face amount					$ 21
Debt instrument, stated interest rate (as a percent)					6.91%