REVENUE FROM CONTRACTS WITH CUSTOMERS - Remaining Transaction Price (Details) $ in Millions	6 Months Ended
	Jun. 30, 2023 USD ($)
Advanced deposits
Disaggregation Of Revenue [Line Items]
Remaining Transaction Price	$ 185
Recognition Period	18 months
Club activation fees
Disaggregation Of Revenue [Line Items]
Remaining Transaction Price	$ 65
Recognition Period	7 years
Bonus point incentive liability
Disaggregation Of Revenue [Line Items]
Remaining Transaction Price	$ 101
Bonus point incentive liability | Minimum
Disaggregation Of Revenue [Line Items]
Recognition Period	18 months
Bonus point incentive liability | Maximum
Disaggregation Of Revenue [Line Items]
Recognition Period	30 months