REVENUE FROM CONTRACTS WITH CUSTOMERS (Tables)

9 Months Ended

Sep. 30, 2019

Revenue Recognition [Abstract]

Disaggregation of Revenue

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

	Three Months Ended September 30,				Nine Months Ended September 30,
	2019		2018		2019		2018
Passenger revenue	$	186	$	153	$	511	$	459
Mileage Plan other revenue	118		114		346		329
Total Mileage Plan revenue	$	304	$	267	$	857	$	788

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

	Three Months Ended September 30,				Nine Months Ended September 30,
	2019		2018		2019		2018
Cargo revenue	$	36	$	36	$	104	$	96
Other revenue	24		19		65		51
Total Cargo and other revenue	$	60	$	55	$	169	$	147

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

	Three Months Ended September 30,				Nine Months Ended September 30,
	2019		2018		2019		2018
Passenger ticket revenue, including ticket breakage and net of taxes and fees	$	1,868	$	1,744	$	5,099	$	4,864
Passenger ancillary revenue	157		146		428		401
Mileage Plan passenger revenue	186		153		511		459
Total Passenger revenue	$	2,211	$	2,043	$	6,038	$	5,724

Contract with Customer Liabilities

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

	Nine Months Ended September 30,
	2019			2018
Total Deferred Revenue balance at January 1	$	1,874		$	1,725
Travel miles and companion certificate redemption - Passenger revenue	(511		)	(459		)
Miles redeemed on partner airlines - Other revenue	(84		)	(66		)
Increase in liability for mileage credits issued	692			631
Total Deferred Revenue balance at September 30	$	1,971		$	1,831