XML 49 R31.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2

Revenue Recognition (Tables)

12 Months Ended

Dec. 31, 2019

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue [Table Text Block]

The following table provides the revenue recognized by revenue source for the years ended December 31, 2019, 2018, and 2017 (in millions):

		2019				2018				2017
Passenger revenue
Passenger travel		$	7,395			$	7,061			$	6,508
Loyalty revenue - air transportation		391				320				253
Other revenue
Loyalty revenue		201				168				140
Other revenue		107				109				111
Total revenue		$	8,094			$	7,658			$	7,012

Contract with Customer, Asset and Liability [Table Text Block]

Our contract liabilities primarily consist of ticket sales for which transportation has not yet been provided, unused credits available to customers, and outstanding loyalty points available for redemption (in millions):

		December 31, 2019				December 31, 2018
Air traffic liability - passenger travel		$	929			$	892
Air traffic liability - loyalty program (air transportation)		661				580
Deferred revenue		10				10
Total		$	1,600			$	1,482

The table below presents the activity of the current and non-current air traffic liability for our loyalty program, and includes points earned and sold to participating companies (in millions):

Balance at December 31, 2017	$	502
TrueBlue® points redeemed	(320		)
TrueBlue® points earned and sold	398
Balance at December 31, 2018	580
TrueBlue® points redeemed	(391		)
TrueBlue® points earned and sold	472
Balance at December 31, 2019	$	661

X

- Definition

Tabular disclosure of contract balances and changes in contract balances.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130551-203045

+ Details

Name:	us-gaap_ContractWithCustomerAssetAndLiabilityTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130545-203045

+ Details

Name:	us-gaap_DisaggregationOfRevenueTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	us-gaap_RevenueFromContractWithCustomerAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration