COMMITMENTS AND CONTINGENCIES - Narrative (Details) $ in Billions	1 Months Ended
	Jan. 31, 2024 aircraft	Mar. 31, 2024 USD ($)
Commitments and Contingencies Disclosure [Abstract]
Future aircraft purchase commitments | $		$ 20.7
A350-1000
Future Purchase Commitments
Number of aircraft agreed to be acquired	20
A350-1000 Widebody
Future Purchase Commitments
Number of optional additional aircrafts	20