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Revenue Recognition (Tables)

3 Months Ended

Mar. 31, 2021

Revenue from Contract with Customer [Abstract]

Disaggregation of revenue

The following table provides the revenues recognized by revenue source for the three months ended March 31, 2021 and 2020 (in millions):

			Three Months Ended March 31,
			2021						2020
Passenger revenue
Passenger travel			$	625					$	1,408
Loyalty revenue - air transportation			45						103
Other revenue
Loyalty revenue			45						51
Other revenue			18						26
Total revenue			$	733					$	1,588

Contract with customer, contract asset, contract liability, and receivable

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):

			March 31, 2021						December 31, 2020
Air traffic liability - passenger travel			$	1,184					$	964
Air traffic liability - loyalty program (air transportation)			758						733
Deferred revenue			36						41
Total			$	1,978					$	1,738

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 for the three months ended March 31, 2021 and 2020 (in millions):

Balance at December 31, 2020			$	733
TrueBlue® points redeemed			(45)
TrueBlue® points earned and sold			70
Balance at March 31, 2021			$	758
Balance at December 31, 2019			$	661
TrueBlue® points redeemed			(103)
TrueBlue® points earned and sold			98
Balance at March 31, 2020			$	656

The timing of our TrueBlue® point redemptions can vary; however, the majority of our points are redeemed within approximately three years of the date of issuance.

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- Definition

Tabular disclosure of receivable, contract asset, and contract liability from contract with customer. Includes, but is not limited to, change in contract asset and contract liability.

+ 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=121604090&loc=SL49130551-203045

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- 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=121604090&loc=SL49130545-203045

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- References

No definition available.

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