BOEING 737 MAX AIRCRAFT GROUNDING AND RETURN TO SERVICE (Details) $ in Millions	12 Months Ended
	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2019 aircraft	Mar. 13, 2019 aircraft
Unusual or Infrequent Item, or Both [Line Items]
Number of aircraft grounded					34
Aircrafts not delivered				41
Supplier proceeds | $	$ 0	$ 0	$ 428
B-737-Max
Unusual or Infrequent Item, or Both [Line Items]
Owned MAX's in fleet				31
Contract to Own Aircraft
Unusual or Infrequent Item, or Both [Line Items]
Aircrafts not delivered				28
Contract to Lease Aircraft
Unusual or Infrequent Item, or Both [Line Items]
Aircrafts not delivered				13