2.2.0.25truefalse0206 - Disclosure - Income Taxestruefalsefalse1falsefalseUSDfalsefalse1/1/2011 - 3/31/2011 USD ($) / shares USD ($) $Jan-01-2011_Mar-31-2011http://www.sec.gov/CIK0000701345duration2011-01-01T00:00:002011-03-31T00:00:00USDEPSDividehttp://www.xbrl.org/2003/iso4217USDiso4217http://www.xbrl.org/2003/instancesharesxbrli0USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170SharesStandardhttp://www.xbrl.org/2003/instancesharesxbrli0USDUSD$2false0us-gaap_IncomeTaxDisclosureTextBlockus-gaaptruenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00  <div style="font-family: 'Times New Roman',Times,serif; margin-left: 0in; "> <div align="justify" style="font-size: 10pt; margin-top: 10pt"><b>5. Income Taxes</b> </div> <div align="justify" style="font-size: 10pt; margin-top: 10pt; text-indent: 4%">At December 31, 2010, the Company had approximately $1.92 billion of gross net operating losses (“NOLs”) to reduce future federal taxable income. All of the Company’s NOLs are expected to be available to reduce federal taxable income in the calendar year 2011. The NOLs expire during the years 2024 through 2029. The Company’s net deferred tax assets, which include $1.85 billion of the NOLs, are subject to a full valuation allowance. The Company also had approximately $82 million of tax-effected state NOLs at December 31, 2010. At December 31, 2010, the federal and state valuation allowances were $368 million and $62 million, respectively. </div> <div align="justify" style="font-size: 10pt; margin-top: 10pt; text-indent: 4%">The Company reported a loss before income taxes in the first quarter of each of 2011 and 2010, and the Company did not record a tax provision in either period. </div>   </div>  <div style="font-family: 'Times New Roman',Times,serif; margin-left: 0in; "> </div> falsefalsefalsefalsefalseOtherus-types:textBlockItemTypestringDescription containing the entire income tax disclosure. Examples include net deferred tax liability or asset recognized in an enterprise's statement of financial position, net change during the year in the total valuation allowance, approximate tax effect of each type of temporary difference and carryforward that gives rise to a significant portion of deferred tax liabilities and deferred tax assets, utilization of a tax carryback, and tax uncertainties information. This element may be used as a single block of text to encapsulate the entire disclosure including data and tables.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph h -Article 4 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 109 -Paragraph 136, 172 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 109 -Paragraph 43, 44, 45, 46, 47, 48, 49 falsefalseIncome Taxes3false0natruenanaNo definition available.falsetruefalsefalsefalsefalsefalsefalsefalsefalsehttp://usairways.com/role/incometaxes1falsefalsefalse00falsefalsefalsefalsefalse2falsefalseUSDtruefalse{dei_LegalEntityAxis} : US Airways, Inc. [Member] 1/1/2011 - 3/31/2011 USD ($) $ThreeMonthsEnded_31Mar2011_Subsidiaries_Memberhttp://www.sec.gov/CIK0000701345duration2011-01-01T00:00:002011-03-31T00:00:00falsefalseUS Airways, Inc. [Member]dei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_SubsidiariesMemberdei_LegalEntityAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$OthernaNo definition available.No authoritative reference available.falsefalseUS Airways, Inc. [Member]4false0us-gaap_IncomeTaxDisclosureTextBlockus-gaaptruenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00  <div style="font-family: 'Times New Roman',Times,serif; margin-left: 0in; "> <div align="justify" style="font-size: 10pt; margin-top: 10pt"><b>5. Income Taxes</b> </div> <div align="justify" style="font-size: 10pt; margin-top: 10pt; text-indent: 4%">US Airways and its wholly owned subsidiary are part of the US Airways Group consolidated income tax return. </div> <div align="justify" style="font-size: 10pt; margin-top: 10pt; text-indent: 4%">At December 31, 2010, US Airways had approximately $1.84 billion of gross net operating losses (“NOLs”) to reduce future federal taxable income. All of US Airways’ NOLs are expected to be available to reduce federal taxable income in the calendar year 2011. The NOLs expire during the years 2024 through 2029. US Airways’ net deferred tax assets, which include $1.77 billion of the NOLs, are subject to a full valuation allowance. US Airways also had approximately $78 million of tax-effected state NOLs at December 31, 2010. At December 31, 2010, the federal and state valuation allowances were $388 million and $62 million, respectively. </div> <div align="justify" style="font-size: 10pt; margin-top: 10pt; text-indent: 4%">US Airways reported a loss before income taxes in the first quarter of each of 2011 and 2010, and US Airways did not record a tax provision in either period. </div> </div> falsefalsefalsefalsefalseOtherus-types:textBlockItemTypestringDescription containing the entire income tax disclosure. Examples include net deferred tax liability or asset recognized in an enterprise's statement of financial position, net change during the year in the total valuation allowance, approximate tax effect of each type of temporary difference and carryforward that gives rise to a significant portion of deferred tax liabilities and deferred tax assets, utilization of a tax carryback, and tax uncertainties information. This element may be used as a single block of text to encapsulate the entire disclosure including data and tables.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph h -Article 4 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 109 -Paragraph 136, 172 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 109 -Paragraph 43, 44, 45, 46, 47, 48, 49 falsefalseIncome Taxes13Income TaxesUnKnownUnKnownUnKnownUnKnownfalsetrue