COMMITMENTS AND CONTINGENCIES - Additional Information (Details) $ in Millions	12 Months Ended
	Dec. 31, 2023 USD ($) lawsuit	Dec. 31, 2022 USD ($)	Dec. 31, 2017 USD ($)
Commitments and Contingencies Disclosure [Line Items]
Recorded Liability for Guarantees	$ 104
Maximum Potential Amount of Future Fundings	249
Purchase obligation	735
Purchase obligation, expected to fund commitments in 2024	385
Purchase obligation, expected to fund commitments in 2025	202
Purchase obligation, expected to fund commitments in 2026	85
Purchase obligation, expected to fund commitments thereafter	63
Letters of credit outstanding	129
Surety bonds issued	$ 164
Class Action Lawsuits Related to Data Security Incident
Commitments and Contingencies Disclosure [Line Items]
Number of lawsuits filed | lawsuit	100
Sheraton Grand Chicago Hotel
Commitments and Contingencies Disclosure [Line Items]
Recorded Liability for Guarantees	$ 300	$ 300
Sheraton Grand Chicago Hotel | Land and Hotel
Commitments and Contingencies Disclosure [Line Items]
Maximum Potential Amount of Future Fundings	500		$ 300
Sheraton Grand Chicago Hotel | Land
Commitments and Contingencies Disclosure [Line Items]
Guarantor obligations, additional exposure	200
Operating profit
Commitments and Contingencies Disclosure [Line Items]
Recorded Liability for Guarantees	94
Maximum Potential Amount of Future Fundings	172
Not Yet In Effect Condition | Operating profit
Commitments and Contingencies Disclosure [Line Items]
Maximum Potential Amount of Future Fundings	62
Accrued Expenses and Other
Commitments and Contingencies Disclosure [Line Items]
Recorded Liability for Guarantees	29
Other noncurrent liabilities
Commitments and Contingencies Disclosure [Line Items]
Recorded Liability for Guarantees	$ 75
Minimum
Commitments and Contingencies Disclosure [Line Items]
Guarantee obligations, term	3 years
Maximum
Commitments and Contingencies Disclosure [Line Items]
Guarantee obligations, term	10 years