Merger and Related Matters (Fair Value of Consideration Transferred) (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	0 Months Ended
Dec. 09, 2013
Business Combinations [Abstract]
Outstanding shares of US Airways Group Common Stock at December 9, 2013 exchanged	197.4
Exchange ratio	1.0
Assumed shares of AAG Common Stock	197.4
Price per share	$ 22.55
Fair value of AAG Common Stock issued	$ 4,451
Fair value of AAG equity awards issued in exchange for outstanding US Airways Group equity awards	141
Total purchase price	$ 4,592

Assumed Number of Common Shares Exchanged

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- Definition

Business Combination, Common Stock Conversion Ratio

+ References

No definition available.

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- Definition

Fair Value of Equity Awards Exchanged

+ References

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- Definition

US Airways Group Shares Exchanged in Connection with the Merger

+ References

No definition available.

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- Definition

Price of a single share of a number of saleable stocks paid or offered to be paid in a business combination.

+ References

No definition available.

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- Definition

Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 30

-Section 30

-Paragraph 7

-URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6578-128477

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 30

-Section 30

-Paragraph 8

-URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6613-128477

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 30

-Section 50

-Paragraph 1

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=7488404&loc=d3e6927-128479

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- Definition

Amount of equity interests of the acquirer, including instruments or interests issued or issuable in consideration for the business combination.

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