REVENUE FROM CONTRACTS WITH CUSTOMERS (Tables)

6 Months Ended

Jun. 30, 2020

Revenue Recognition [Abstract]

Disaggregation of Revenue

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

	Three Months Ended June 30,				Six Months Ended June 30,
	2020		2019		2020		2019
Passenger ticket revenue, including ticket breakage and net of taxes and fees	$	222	$	1,792	$	1,435	$	3,231
Passenger ancillary revenue	31		147		147		271
Mileage Plan passenger revenue	56		172		208		325
Total Passenger revenue	$	309	$	2,111	$	1,790	$	3,827

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

	Three Months Ended June 30,				Six Months Ended June 30,
	2020		2019		2020		2019
Passenger revenue	$	56	$	172	$	208	$	325
Mileage Plan other revenue	73		118		182		228
Total Mileage Plan revenue	$	129	$	290	$	390	$	553

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

	Three Months Ended June 30,				Six Months Ended June 30,
	2020		2019		2020		2019
Cargo revenue	$	28	$	38	$	52	$	68
Other revenue	11		21		33		41
Total Cargo and other revenue	$	39	$	59	$	85	$	109

Contract with Customer Liabilities

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

	Six Months Ended June 30,
	2020		2019
Total Deferred Revenue balance at January 1	$	1,990	$	1,874
Travel miles and companion certificate redemption - Passenger revenue	(208)		(325)
Miles redeemed on partner airlines - Other revenue	(21)		(51)
Increase in liability for mileage credits issued	313		451
Total Deferred Revenue balance at June 30	$	2,074	$	1,949