Debt (Details Textual)	9 Months Ended
Sep. 30, 2011
US Airways, Inc. [Member] \| Secured Equipment Loans and other Notes Payable [Member]
Debt Instruments [Abstract]
Fixed and variable interest rates, minimum	1.62%
Fixed and variable interest rates, maximum	10.30%
Debt Instrument, Maturity Date Range, Start	2012
Debt Instrument, Maturity Date Range, End	2021
US Airways, Inc. [Member] \| Secured Aircraft Enhanced Equipment Trust Certificates [Member]
Debt Instruments [Abstract]
Fixed and variable interest rates, minimum	6.25%
Fixed and variable interest rates, maximum	11.00%
Debt Instrument, Maturity Date Range, Start	2014
Debt Instrument, Maturity Date Range, End	2023
US Airways, Inc. [Member] \| Secured other Obligations [Member]
Debt Instruments [Abstract]
Debt Instrument, Maturity Date Range, Start	2015
Debt Instrument, Maturity Date Range, End	2021
Debt Instrument, Interest Rate, Stated Percentage	8.00%
US Airways, Inc. [Member] \| Unsecured Airbus Advance [Member]
Debt Instruments [Abstract]
Debt Instrument, Maturity Date	2018
US Airways, Inc. [Member] \| Unsecured Industrial Development Bonds [Member]
Debt Instruments [Abstract]
Debt Instrument, Interest Rate, Stated Percentage	6.30%
Debt Instrument, Maturity Date	2023
US Airways, Inc. [Member] \| Unsecured other Obligations [Member]
Debt Instruments [Abstract]
Debt Instrument, Maturity Date Range, Start	2011
Debt Instrument, Maturity Date Range, End	2012
Secured Citicorp North America Loan [Member]
Debt Instruments [Abstract]
Debt Instrument, Interest Rate, Stated Percentage	2.74%
Debt Instrument, Maturity Date	2014
Secured Equipment Loans and other Notes Payable [Member]
Debt Instruments [Abstract]
Fixed and variable interest rates, minimum	1.62%
Fixed and variable interest rates, maximum	10.30%
Debt Instrument, Maturity Date Range, Start	2012
Debt Instrument, Maturity Date Range, End	2029
Secured Aircraft Enhanced Equipment Trust Certificates [Member]
Debt Instruments [Abstract]
Fixed and variable interest rates, minimum	6.25%
Fixed and variable interest rates, maximum	11.00%
Debt Instrument, Maturity Date Range, Start	2014
Debt Instrument, Maturity Date Range, End	2023
Secured other Obligations [Member]
Debt Instruments [Abstract]
Debt Instrument, Maturity Date Range, Start	2015
Debt Instrument, Maturity Date Range, End	2021
Debt Instrument, Interest Rate, Stated Percentage	8.00%
Unsecured Airbus Advance [Member]
Debt Instruments [Abstract]
Debt Instrument, Maturity Date	2018
Unsecured Barclays Prepaid Miles [Member]
Debt Instruments [Abstract]
Debt Instrument, Interest Rate, Stated Percentage	4.99%
Unsecured other Obligations [Member]
Debt Instruments [Abstract]
Debt Instrument, Maturity Date Range, Start	2011
Debt Instrument, Maturity Date Range, End	2012
Unsecured 7.25% convertible senior notes [Member]
Debt Instruments [Abstract]
Debt Instrument, Interest Rate, Stated Percentage	7.25%
Debt Instrument, Maturity Date	2014
Unsecured 7% senior convertible notes [Member]
Debt Instruments [Abstract]
Debt Instrument, Interest Rate, Stated Percentage	7.00%
Debt Instrument, Maturity Date	2020
Unsecured Industrial Development Bonds [Member]
Debt Instruments [Abstract]
Debt Instrument, Interest Rate, Stated Percentage	6.30%
Debt Instrument, Maturity Date	2023

Date when the debt instrument is scheduled to be fully repaid, which may be presented in a variety of ways (year, month and year, day, month and year, quarter, etc.).

Name:	lcc_DebtInstrumentsMaturityDate
Namespace Prefix:	lcc
Data Type:	xbrli:gYearItemType
Balance Type:	na
Period Type:	duration

- Definition

Interest rate stated in the contractual debt agreement.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22(a)(1))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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Namespace Prefix:	us-gaap
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

When presenting a range of interest rates, the highest stated (contractual) rate for funds borrowed under the debt agreement as of the balance sheet date.

+ References

+ Details

Name:	us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMaximum
Namespace Prefix:	us-gaap
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

When presenting a range of interest rates, the lowest stated (contractual) rate for funds borrowed under the debt agreement as of the balance sheet date.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22(a)(2))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

Name:	us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMinimum
Namespace Prefix:	us-gaap
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

When presenting a range of maturity dates, the latest date when the outstanding debt instruments are required to be repaid. May be presented in a variety of ways (for example: year only, month and year, day, month and year, and number of years).

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22(a)(2))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 129

-Paragraph 4

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 129

-Paragraph 2

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

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Namespace Prefix:	us-gaap
Data Type:	us-types:dateStringItemType
Balance Type:	na
Period Type:	duration

- Definition

When presenting a range of maturity dates, the earliest date when the outstanding debt instruments are required to be repaid. May be presented in a variety of ways (for example: year only, month and year, day, month and year, and number of years).

+ References

+ Details

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Namespace Prefix:	us-gaap
Data Type:	us-types:dateStringItemType
Balance Type:	na
Period Type:	duration

- Details

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration