REVENUE FROM CONTRACTS WITH CUSTOMERS (Tables)

3 Months Ended

Mar. 31, 2020

Revenue Recognition [Abstract]

Disaggregation of Revenue

Passenger revenue recognized in the condensed consolidated statements of operations (in millions):

	Three Months Ended March 31,
	2020		2019
Passenger ticket revenue, including ticket breakage and net of taxes and fees	$	1,213	$	1,439
Passenger ancillary revenue	116		124
Mileage Plan passenger revenue	152		153
Total Passenger revenue	$	1,481	$	1,716

Mileage Plan™ revenue included in the condensed consolidated statements of operations (in millions):

	Three Months Ended March 31,
	2020		2019
Passenger revenue	$	152	$	153
Mileage Plan other revenue	109		110
Total Mileage Plan revenue	$	261	$	263

Cargo and other revenue included in the condensed consolidated statements of operations (in millions):

	Three Months Ended March 31,
	2020		2019
Cargo revenue	$	24	$	30
Other revenue	22		20
Total Cargo and other revenue	$	46	$	50

Contract with Customer Liabilities

The table below presents a roll forward of the total frequent flyer liability (in millions):

	Three Months Ended March 31,
	2020		2019
Total Deferred Revenue balance at January 1	$	1,990	$	1,874
Travel miles and companion certificate redemption - Passenger revenue	(152)		(153)
Miles redeemed on partner airlines - Other revenue	(22)		(28)
Increase in liability for mileage credits issued	207		222
Total Deferred Revenue balance at March 31	$	2,023	$	1,915