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Revenue Recognition - Contract Liabilities (Details) - USD ($) $ in Millions	Jun. 30, 2022	Dec. 31, 2021
Revenue from Contract with Customer [Abstract]
Air traffic liability - passenger travel	$ 1,690	$ 1,323
Air traffic liability - loyalty program (air transportation)	927	891
Deferred revenue	571	613
Total	$ 3,188	$ 2,827

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- Definition

Air Traffic Liability - Loyalty Program And Deferred Revenue

+ References

No definition available.

+ Details

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X

- Definition

Air Traffic Liability - Passenger Travel

+ References

No definition available.

+ Details

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X

- Definition

Other Deferred Revenue

+ References

No definition available.

+ Details

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- Definition

Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 45
-Paragraph 1
-URI https://asc.fasb.org/extlink&oid=126919976&loc=SL49130531-203044

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 8
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=126920106&loc=SL49130549-203045

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 45
-Paragraph 2
-URI https://asc.fasb.org/extlink&oid=126919976&loc=SL49130532-203044

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- References

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