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Revenue Recognition - Revenue Recognized By Revenue (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Revenue from Contract with Customer [Abstract]
Passenger travel	$ 2,026	$ 1,490
Loyalty revenue - air transportation	156	113
Loyalty revenue	100	88
Other revenue	46	45
Total revenue	$ 2,328	$ 1,736

X

- Definition

Other Revenue - Loyalty

+ References

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- Definition

Other Revenue - Non Loyalty

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- Definition

Passenger Revenue - Loyalty Air Travel

+ References

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- Definition

Revenue recognized from passenger travel

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Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 30
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