<?xml version="1.0" encoding="utf-8"?>
<FilingSummary xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema">
  <Version>1.0.0.3</Version>
  <ReportType />
  <MyReports>
    <Report>
      <IsDefault>true</IsDefault>
      <ReportType>Sheet</ReportType>
      <LongName>0010 - Statement - Consolidated Statements of Operations</LongName>
      <ShortName>Consolidated Statements of Operations</ShortName>
      <XmlFileName>R1.xml</XmlFileName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <ReportType>Sheet</ReportType>
      <LongName>0020 - Statement - Consolidated Statements of Financial Position</LongName>
      <ShortName>Consolidated Statements of Financial Position</ShortName>
      <XmlFileName>R2.xml</XmlFileName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <ReportType>Sheet</ReportType>
      <LongName>0025 - Statement - Consolidated Statements of Financial Position Parenthetical</LongName>
      <ShortName>Consolidated Statements of Financial Position Parenthetical</ShortName>
      <XmlFileName>R3.xml</XmlFileName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <ReportType>Sheet</ReportType>
      <LongName>0030 - Statement - Consolidated Statements of Cash Flows</LongName>
      <ShortName>Consolidated Statements of Cash Flows</ShortName>
      <XmlFileName>R4.xml</XmlFileName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <ReportType>Sheet</ReportType>
      <LongName>0040 - Statement - Consolidated Statements of Shareholders Equity</LongName>
      <ShortName>Consolidated Statements of Shareholders Equity</ShortName>
      <XmlFileName>R5.xml</XmlFileName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <ReportType>Sheet</ReportType>
      <LongName>0045 - Statement - Consolidated Statements of Shareholders Equity Parenthetical</LongName>
      <ShortName>Consolidated Statements of Shareholders Equity Parenthetical</ShortName>
      <XmlFileName>R6.xml</XmlFileName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <ReportType>Sheet</ReportType>
      <LongName>1010 - Notes - Accounting Policies</LongName>
      <ShortName>Accounting Policies</ShortName>
      <XmlFileName>R7.xml</XmlFileName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <ReportType>Sheet</ReportType>
      <LongName>1020 - Notes - Earnings Per Share</LongName>
      <ShortName>Earnings Per Share</ShortName>
      <XmlFileName>R8.xml</XmlFileName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <ReportType>Sheet</ReportType>
      <LongName>1030 - Notes - Fair Value Measurements</LongName>
      <ShortName>Fair Value Measurements</ShortName>
      <XmlFileName>R9.xml</XmlFileName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <ReportType>Sheet</ReportType>
      <LongName>1040 - Notes - Credit Card Receivables</LongName>
      <ShortName>Credit Card Receivables</ShortName>
      <XmlFileName>R10.xml</XmlFileName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <ReportType>Sheet</ReportType>
      <LongName>1050 - Notes - Contingencies</LongName>
      <ShortName>Contingencies</ShortName>
      <XmlFileName>R11.xml</XmlFileName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <ReportType>Notes</ReportType>
      <LongName>1060 - Notes - Notes Payable</LongName>
      <ShortName>Notes Payable</ShortName>
      <XmlFileName>R12.xml</XmlFileName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <ReportType>Sheet</ReportType>
      <LongName>1070 - Notes - Derivative Financial Instruments</LongName>
      <ShortName>Derivative Financial Instruments</ShortName>
      <XmlFileName>R13.xml</XmlFileName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <ReportType>Sheet</ReportType>
      <LongName>1080 - Notes - Income Taxes</LongName>
      <ShortName>Income Taxes</ShortName>
      <XmlFileName>R14.xml</XmlFileName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <ReportType>Sheet</ReportType>
      <LongName>1090 - Notes - Share Repurchase</LongName>
      <ShortName>Share Repurchase</ShortName>
      <XmlFileName>R15.xml</XmlFileName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <ReportType>Sheet</ReportType>
      <LongName>1100 - Notes - Pension, Postretirement Health Care and Other Benefits</LongName>
      <ShortName>Pension, Postretirement Health Care and Other Benefits</ShortName>
      <XmlFileName>R16.xml</XmlFileName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <ReportType>Sheet</ReportType>
      <LongName>1110 - Notes - Segment Reporting</LongName>
      <ShortName>Segment Reporting</ShortName>
      <XmlFileName>R17.xml</XmlFileName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <ReportType>Sheet</ReportType>
      <LongName>9999 - Other Information - Document and Entity Information</LongName>
      <ShortName>Document and Entity Information</ShortName>
      <XmlFileName>R18.xml</XmlFileName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <ReportType>Book</ReportType>
      <LongName>All Reports</LongName>
      <ShortName>All Reports</ShortName>
      <XmlFileName />
    </Report>
  </MyReports>
  <EntityCount>1</EntityCount>
  <ContextCount>37</ContextCount>
  <SegmentCount>6</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <UnitCount>3</UnitCount>
  <ElementCount>116</ElementCount>
  <FootnotesReported>true</FootnotesReported>
  <TuplesReported>false</TuplesReported>
  <ContextSummary>
    <ContextSummary>
      <ContextName>I2009Q2</ContextName>
      <ElementCount>33</ElementCount>
    </ContextSummary>
    <ContextSummary>
      <ContextName>I2008_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember</ContextName>
      <ElementCount>1</ElementCount>
    </ContextSummary>
    <ContextSummary>
      <ContextName>I2007_AdditionalPaidInCapitalMember</ContextName>
      <ElementCount>1</ElementCount>
    </ContextSummary>
    <ContextSummary>
      <ContextName>I2009Q2_CommonStockMember</ContextName>
      <ElementCount>2</ElementCount>
    </ContextSummary>
    <ContextSummary>
      <ContextName>D2008_AccumulatedDefinedBenefitPlansAdjustmentMember</ContextName>
      <ElementCount>2</ElementCount>
    </ContextSummary>
    <ContextSummary>
      <ContextName>D2008_AdditionalPaidInCapitalMember</ContextName>
      <ElementCount>1</ElementCount>
    </ContextSummary>
    <ContextSummary>
      <ContextName>I2008Q2</ContextName>
      <ElementCount>33</ElementCount>
    </ContextSummary>
    <ContextSummary>
      <ContextName>D2009Q2YTD</ContextName>
      <ElementCount>73</ElementCount>
    </ContextSummary>
    <ContextSummary>
      <ContextName>D2009Q2YTD_CommonStockMember</ContextName>
      <ElementCount>2</ElementCount>
    </ContextSummary>
    <ContextSummary>
      <ContextName>I2007_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember</ContextName>
      <ElementCount>1</ElementCount>
    </ContextSummary>
    <ContextSummary>
      <ContextName>I2007_CommonStockMember</ContextName>
      <ElementCount>2</ElementCount>
    </ContextSummary>
    <ContextSummary>
      <ContextName>I2007_RetainedEarningsMember</ContextName>
      <ElementCount>1</ElementCount>
    </ContextSummary>
    <ContextSummary>
      <ContextName>I2009Q2_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember</ContextName>
      <ElementCount>1</ElementCount>
    </ContextSummary>
    <ContextSummary>
      <ContextName>D2008_CommonStockMember</ContextName>
      <ElementCount>3</ElementCount>
    </ContextSummary>
    <ContextSummary>
      <ContextName>I2008_AccumulatedDefinedBenefitPlansAdjustmentMember</ContextName>
      <ElementCount>1</ElementCount>
    </ContextSummary>
    <ContextSummary>
      <ContextName>D2009Q2YTD_AccumulatedDefinedBenefitPlansAdjustmentMember</ContextName>
      <ElementCount>2</ElementCount>
    </ContextSummary>
    <ContextSummary>
      <ContextName>I2008_CommonStockMember</ContextName>
      <ElementCount>2</ElementCount>
    </ContextSummary>
    <ContextSummary>
      <ContextName>D2009Q2YTD_ComprehensiveIncomeMember</ContextName>
      <ElementCount>1</ElementCount>
    </ContextSummary>
    <ContextSummary>
      <ContextName>I2008_AdditionalPaidInCapitalMember</ContextName>
      <ElementCount>1</ElementCount>
    </ContextSummary>
    <ContextSummary>
      <ContextName>D2009Q2</ContextName>
      <ElementCount>19</ElementCount>
    </ContextSummary>
    <ContextSummary>
      <ContextName>I2008_RetainedEarningsMember</ContextName>
      <ElementCount>1</ElementCount>
    </ContextSummary>
    <ContextSummary>
      <ContextName>I2009Q2_AccumulatedDefinedBenefitPlansAdjustmentMember</ContextName>
      <ElementCount>1</ElementCount>
    </ContextSummary>
    <ContextSummary>
      <ContextName>D2008_RetainedEarningsMember</ContextName>
      <ElementCount>3</ElementCount>
    </ContextSummary>
    <ContextSummary>
      <ContextName>D2009Q2YTD_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember</ContextName>
      <ElementCount>4</ElementCount>
    </ContextSummary>
    <ContextSummary>
      <ContextName>D2008Q2</ContextName>
      <ElementCount>19</ElementCount>
    </ContextSummary>
    <ContextSummary>
      <ContextName>D2008_ComprehensiveIncomeMember</ContextName>
      <ElementCount>1</ElementCount>
    </ContextSummary>
    <ContextSummary>
      <ContextName>I2009Q2SO</ContextName>
      <ElementCount>1</ElementCount>
    </ContextSummary>
    <ContextSummary>
      <ContextName>I2009Q2_AdditionalPaidInCapitalMember</ContextName>
      <ElementCount>1</ElementCount>
    </ContextSummary>
    <ContextSummary>
      <ContextName>D2009Q2YTD_RetainedEarningsMember</ContextName>
      <ElementCount>3</ElementCount>
    </ContextSummary>
    <ContextSummary>
      <ContextName>D2008</ContextName>
      <ElementCount>9</ElementCount>
    </ContextSummary>
    <ContextSummary>
      <ContextName>D2008Q2YTD</ContextName>
      <ElementCount>47</ElementCount>
    </ContextSummary>
    <ContextSummary>
      <ContextName>D2009Q2YTD_AdditionalPaidInCapitalMember</ContextName>
      <ElementCount>1</ElementCount>
    </ContextSummary>
    <ContextSummary>
      <ContextName>I2008</ContextName>
      <ElementCount>32</ElementCount>
    </ContextSummary>
    <ContextSummary>
      <ContextName>I2007_AccumulatedDefinedBenefitPlansAdjustmentMember</ContextName>
      <ElementCount>1</ElementCount>
    </ContextSummary>
    <ContextSummary>
      <ContextName>I2007</ContextName>
      <ElementCount>2</ElementCount>
    </ContextSummary>
    <ContextSummary>
      <ContextName>D2008_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember</ContextName>
      <ElementCount>2</ElementCount>
    </ContextSummary>
    <ContextSummary>
      <ContextName>I2009Q2_RetainedEarningsMember</ContextName>
      <ElementCount>1</ElementCount>
    </ContextSummary>
  </ContextSummary>
  <BaseTaxonomies />
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>true</HasCalculationLinkbase>
</FilingSummary>
