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Revenue (Tables)

3 Months Ended

Mar. 31, 2019

Revenue from Contract with Customer [Abstract]

Passenger Revenue by Geographic Region

The following table presents operating revenue by geographic region (in millions):

	Three Months Ended March 31,
	2019				2018
Domestic (U.S. and Canada)	$	5,875			$	5,476
Atlantic	1,458				1,389
Pacific	1,281				1,231
Latin America	975				936
Total	$	9,589			$	9,032

Roll Forward of Frequent Flyer Deferred Revenue

The table below presents a roll forward of Frequent flyer deferred revenue (in millions):

	Three Months Ended March 31,
	2019				2018
Total Frequent flyer deferred revenue - beginning balance	$	5,005			$	4,783
Miles awarded	607				603
Travel miles redeemed (Passenger revenue)	(438		)		(409		)
Non-travel miles redeemed (Other operating revenue)	(36		)		(40		)
Total Frequent flyer deferred revenue - ending balance	$	5,138			$	4,937

X

- Definition

Tabular disclosure of the type of arrangements and the corresponding amounts that comprise the current and noncurrent balance of deferred revenue as of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 605
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 13.A.4(a).Q1)
-URI http://asc.fasb.org/extlink&oid=65893310&loc=d3e214044-122780

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section 45
-Paragraph 8
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=82887183&loc=d3e6935-107765

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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/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=82913847&loc=SL49130545-203045

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