Basis of Presentation and Summary of Significant Accounting Policies (Schedule of Amortized Intangible Assets) (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Finite-Lived Intangible Assets [Line Items]
Airport Slots	$ 332	$ 515
Customer relationships	300	0
Marketing agreements	105	0
Tradenames	35	0
Airport gate leasehold rights	155	155
Accumulated amortization	(373)	(509)
Amortized intangible assets, net	554	161
AA [Member]
Finite-Lived Intangible Assets [Line Items]
Airport Slots	277	515
Airport gate leasehold rights	155	155
Accumulated amortization	(375)	(509)
Amortized intangible assets, net	$ 57	$ 161

Finite-Lived Airport Gate Leasehold Rights, Gross

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- Definition

Finite-Lived Airport Slots, Gross

+ References

No definition available.

+ Details

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- Definition

Finite-Lived Marketing Agreements, Gross

+ References

No definition available.

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- Definition

Gross carrying amount before accumulated amortization as of the balance sheet date to an asset acquired in a business combination representing a favorable existing relationship with customers having a finite beneficial life.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 2

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275

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- Definition

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

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Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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- Definition

Gross carrying amount before accumulated amortization as of the balance sheet date of the rights acquired through registration of a trade name to gain or protect exclusive use thereof for a reasonably expected period of economic benefit.

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