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STOCK-BASED COMPENSATION - Narrative (Details) - USD ($) $ / shares in Units, $ in Millions	9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024
Minimum | Playa Hotels Acquisition
Share-based Compensation Arrangement by Share-based Payment Award
Termination period	12 months
Maximum | Playa Hotels Acquisition
Share-based Compensation Arrangement by Share-based Payment Award
Termination period	24 months
SARs
Share-based Compensation Arrangement by Share-based Payment Award
Grants in period (in shares)	311,519	223,410
Granted (in dollars per share)	$ 53.17	$ 68.77
Future compensation expense	$ 3
Future compensation expense, period for recognition	3 years
RSUs
Share-based Compensation Arrangement by Share-based Payment Award
Grants in period (in shares)	568,659	301,104
Granted (in dollars per share)	$ 125.64	$ 156.34
Future compensation expense	$ 49
Future compensation expense, period for recognition	2 years
PSUs
Share-based Compensation Arrangement by Share-based Payment Award
Grants in period (in shares)	267,389	64,776
Granted (in dollars per share)	$ 144.84	$ 164.99
Future compensation expense	$ 23
Future compensation expense, period for recognition	1 year

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