2.2.0.25falsefalse30803 - Disclosure - Note 8. Fair Value Measurements (Tables)truefalsefalse1falsefalseUSDfalsefalse2/1/2010 - 1/31/2011 USD ($) USD ($) / shares $Duration_2_1_2010_To_1_31_2011http://www.sec.gov/CIK0000104169duration2010-02-01T00:00:002011-01-31T00:00:00Unit12Standardhttp://www.xbrl.org/2003/iso4217USDiso42170Unit15Standardhttp://www.xbrl.org/2003/instancepurexbrli0Unit16Dividehttp://www.xbrl.org/2003/iso4217USDiso4217http://www.xbrl.org/2003/instancesharesxbrli0Unit1Standardhttp://www.xbrl.org/2003/instancesharesxbrli0USDUSD$2true0wmt_FairValueMeasurementAbstractwmtfalsenadurationfair value measurement [Abstract]falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsefalsefalseOtherxbrli:stringItemTypestringfair value measurement [Abstract]falsefalse3false0wmt_CarryingValueAndFairValueOfLongTermDebtTextBlockwmtfalsenadurationCarrying Value And Fair Value Of Long Term Debt [Text Block]falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1falsefalsefalse00<div> <table border="0" cellspacing="0" cellpadding="0" width="92%" align="center"> <tr><td width="56%"> </td> <td valign="bottom" width="6%"> </td> <td> </td> <td> </td> <td> </td> <td valign="bottom" width="6%"> </td> <td> </td> <td> </td> <td> </td> <td valign="bottom" width="6%"> </td> <td> </td> <td> </td> <td> </td> <td valign="bottom" width="6%"> </td> <td> </td> <td> </td> <td> </td></tr> <tr><td valign="bottom"><font class="_mt" size="1">&nbsp;</font></td> <td valign="bottom"><font class="_mt" size="1">&nbsp;&nbsp;</font></td> <td style="border-bottom: #000000 1px solid;" valign="bottom" colspan="6" align="center"><font style="font-family: Times New Roman;" class="_mt" size="1"><b>January&nbsp;31, 2011</b></font></td> <td valign="bottom"><font class="_mt" size="1">&nbsp;</font></td> <td valign="bottom"><font class="_mt" size="1">&nbsp;&nbsp;</font></td> <td style="border-bottom: #000000 1px solid;" valign="bottom" colspan="6" align="center"><font style="font-family: Times New Roman;" class="_mt" size="1"><b>January&nbsp;31, 2010</b></font></td> <td valign="bottom"><font class="_mt" size="1">&nbsp;</font></td></tr> <tr><td valign="bottom" nowrap="nowrap"><font style="font-family: Times New Roman;" class="_mt" size="1"><b> </b><i>(Amounts in millions)</i><b> </b></font></td> <td valign="bottom"><font class="_mt" size="1">&nbsp;&nbsp;</font></td> <td style="border-bottom: #000000 1px solid;" valign="bottom" colspan="2" align="center"><font style="font-family: Times New Roman;" class="_mt" size="1"><b>Carrying&nbsp;Value</b></font></td> <td valign="bottom"><font class="_mt" size="1">&nbsp;</font></td> <td valign="bottom"><font class="_mt" size="1">&nbsp;&nbsp;</font></td> <td style="border-bottom: #000000 1px solid;" valign="bottom" colspan="2" align="center"><font style="font-family: Times New Roman;" class="_mt" size="1"><b>Fair&nbsp;Value</b></font></td> <td valign="bottom"><font class="_mt" size="1">&nbsp;</font></td> <td valign="bottom"><font class="_mt" size="1">&nbsp;&nbsp;</font></td> <td style="border-bottom: #000000 1px solid;" valign="bottom" colspan="2" align="center"><font style="font-family: Times New Roman;" class="_mt" size="1"><b>Carrying&nbsp;Value</b></font></td> <td valign="bottom"><font class="_mt" size="1">&nbsp;</font></td> <td valign="bottom"><font class="_mt" size="1">&nbsp;&nbsp;</font></td> <td style="border-bottom: #000000 1px solid;" valign="bottom" colspan="2" align="center"><font style="font-family: Times New Roman;" class="_mt" size="1"><b>Fair&nbsp;Value</b></font></td> <td valign="bottom"><font class="_mt" size="1">&nbsp;</font></td></tr> <tr bgcolor="#cceeff"><td valign="top"> <p style="text-indent: -1em; margin-left: 1em;"><font style="font-family: Times New Roman;" class="_mt" size="2">Long-term debt, including amounts due within one year</font></p></td> <td valign="bottom"><font class="_mt" size="1">&nbsp;&nbsp;</font></td> <td valign="bottom"><font style="font-family: Times New Roman;" class="_mt" size="2">$</font></td> <td valign="bottom" align="right"><font style="font-family: Times New Roman;" class="_mt" size="2">45,347</font></td> <td valign="bottom" nowrap="nowrap"><font style="font-family: Times New Roman;" class="_mt" size="2">&nbsp;&nbsp;</font></td> <td valign="bottom"><font class="_mt" size="1">&nbsp;&nbsp;</font></td> <td valign="bottom"><font style="font-family: Times New Roman;" class="_mt" size="2">$</font></td> <td valign="bottom" align="right"><font style="font-family: Times New Roman;" class="_mt" size="2">47,012</font></td> <td valign="bottom" nowrap="nowrap"><font style="font-family: Times New Roman;" class="_mt" size="2">&nbsp;&nbsp;</font></td> <td valign="bottom"><font class="_mt" size="1">&nbsp;&nbsp;</font></td> <td valign="bottom"><font style="font-family: Times New Roman;" class="_mt" size="2">$</font></td> <td valign="bottom" align="right"><font style="font-family: Times New Roman;" class="_mt" size="2">37,281</font></td> <td valign="bottom" nowrap="nowrap"><font style="font-family: Times New Roman;" class="_mt" size="2">&nbsp;&nbsp;</font></td> <td valign="bottom"><font class="_mt" size="1">&nbsp;&nbsp;</font></td> <td valign="bottom"><font style="font-family: Times New Roman;" class="_mt" size="2">$</font></td> <td valign="bottom" align="right"><font style="font-family: Times New Roman;" class="_mt" size="2">39,055</font></td> <td valign="bottom" nowrap="nowrap"><font style="font-family: Times New Roman;" class="_mt" size="2">&nbsp;&nbsp;</font></td></tr></table> </div>&nbsp; &nbsp;&nbsp; January&nbsp;31, 2011 &nbsp; &nbsp;&nbsp; January&nbsp;31, 2010 &nbsp; (Amounts in millions)falsefalsefalsefalsefalseOtherus-types:textBlockItemTypestringCarrying Value And Fair Value Of Long Term Debt [Text Block]No authoritative reference available.falsefalse4false0wmt_NotionalAmountsAndFairValuesOfInterestRateSwapsTextBlockwmtfalsenadurationNotional Amounts And Fair Values Of Interest Rate Swaps [Text Block]falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1falsefalsefalse00<div> <table border="0" cellspacing="0" cellpadding="0" width="92%" align="center"> <tr><td width="56%"> </td> <td valign="bottom" width="8%"> </td> <td> </td> <td> </td> <td> </td> <td valign="bottom" width="8%"> </td> <td> </td> <td> </td> <td> </td> <td valign="bottom" width="8%"> </td> <td> </td> <td> </td> <td> </td> <td valign="bottom" width="8%"> </td> <td> </td> <td> </td> <td> </td></tr> <tr><td valign="bottom" nowrap="nowrap"><font style="font-family: Times New Roman;" class="_mt" size="1"><b> </b><i>(Amounts in millions)</i><b> </b></font></td> <td valign="bottom"><font class="_mt" size="1">&nbsp;&nbsp;</font></td> <td style="border-bottom: #000000 1px solid;" valign="bottom" colspan="6" align="center"><font style="font-family: Times New Roman;" class="_mt" size="1"><b>January&nbsp;31, 2011</b></font></td> <td valign="bottom"><font class="_mt" size="1">&nbsp;</font></td> <td valign="bottom"><font class="_mt" size="1">&nbsp;</font></td> <td style="border-bottom: #000000 1px solid;" valign="bottom" colspan="6" align="center"><font style="font-family: Times New Roman;" class="_mt" size="1"><b>January&nbsp;31, 2010</b></font></td> <td valign="bottom"><font class="_mt" size="1">&nbsp;</font></td></tr> <tr><td valign="bottom"><font class="_mt" size="1">&nbsp;</font></td> <td valign="bottom"><font class="_mt" size="1">&nbsp;&nbsp;</font></td> <td style="border-bottom: #000000 1px solid;" valign="bottom" colspan="2" align="center"><font style="font-family: Times New Roman;" class="_mt" size="1"><b>Notional&nbsp;Amount</b></font></td> <td valign="bottom"><font class="_mt" size="1">&nbsp;</font></td> <td valign="bottom"><font class="_mt" size="1">&nbsp;&nbsp;</font></td> <td style="border-bottom: #000000 1px solid;" valign="bottom" colspan="2" align="center"><font style="font-family: Times New Roman;" class="_mt" size="1"><b>Fair&nbsp;Value</b></font></td> <td valign="bottom"><font class="_mt" size="1">&nbsp;</font></td> <td valign="bottom"><font class="_mt" size="1">&nbsp;</font></td> <td style="border-bottom: #000000 1px solid;" valign="bottom" colspan="2" align="center"><font style="font-family: Times New Roman;" class="_mt" size="1"><b>Notional&nbsp;Amount</b></font></td> <td valign="bottom"><font class="_mt" size="1">&nbsp;</font></td> <td valign="bottom"><font class="_mt" size="1">&nbsp;&nbsp;</font></td> <td style="border-bottom: #000000 1px solid;" valign="bottom" colspan="2" align="center"><font style="font-family: Times New Roman;" class="_mt" size="1"><b>Fair&nbsp;Value</b></font></td> <td valign="bottom"><font class="_mt" size="1">&nbsp;</font></td></tr> <tr bgcolor="#cceeff"><td valign="top"> <p style="text-indent: -1em; margin-left: 1em;"><font style="font-family: Times New Roman;" class="_mt" size="2">Receive fixed-rate, pay floating-rate interest rate swaps designated as fair value hedges</font></p></td> <td valign="bottom"><font class="_mt" size="1">&nbsp;&nbsp;</font></td> <td valign="bottom"><font style="font-family: Times New Roman;" class="_mt" size="2">$</font></td> <td valign="bottom" align="right"><font style="font-family: Times New Roman;" class="_mt" size="2">4,445</font></td> <td valign="bottom" nowrap="nowrap"><font style="font-family: Times New Roman;" class="_mt" size="2">&nbsp;&nbsp;</font></td> <td valign="bottom"><font class="_mt" size="1">&nbsp;&nbsp;</font></td> <td valign="bottom"><font style="font-family: Times New Roman;" class="_mt" size="2">$</font></td> <td valign="bottom" align="right"><font style="font-family: Times New Roman;" class="_mt" size="2">267</font></td> <td valign="bottom" nowrap="nowrap"><font style="font-family: Times New Roman;" class="_mt" size="2">&nbsp;&nbsp;</font></td> <td valign="bottom"><font class="_mt" size="1">&nbsp;</font></td> <td valign="bottom"><font style="font-family: Times New Roman;" class="_mt" size="2">$</font></td> <td valign="bottom" align="right"><font style="font-family: Times New Roman;" class="_mt" size="2">4,445</font></td> <td valign="bottom" nowrap="nowrap"><font style="font-family: Times New Roman;" class="_mt" size="2">&nbsp;&nbsp;</font></td> <td valign="bottom"><font class="_mt" size="1">&nbsp;&nbsp;</font></td> <td valign="bottom"><font style="font-family: Times New Roman;" class="_mt" size="2">$</font></td> <td valign="bottom" align="right"><font style="font-family: Times New Roman;" class="_mt" size="2">260</font></td> <td valign="bottom" nowrap="nowrap"><font style="font-family: Times New Roman;" class="_mt" size="2">&nbsp;&nbsp;</font></td></tr> <tr><td valign="top"> <p style="text-indent: -1em; margin-left: 1em;"><font style="font-family: Times New Roman;" class="_mt" size="2">Receive fixed-rate, pay fixed-rate cross-currency interest rate swaps designated as net investment hedges (Cross-currency notional amount: GBP 795 at January&nbsp;31, 2011 and 2010)</font></p></td> <td valign="bottom"><font class="_mt" size="1">&nbsp;&nbsp;</font></td> <td valign="bottom"><font style="font-family: Times New Roman;" class="_mt" size="2">&nbsp;</font></td> <td valign="bottom" align="right"><font style="font-family: Times New Roman;" class="_mt" size="2">1,250</font></td> <td valign="bottom" nowrap="nowrap"><font style="font-family: Times New Roman;" class="_mt" size="2">&nbsp;&nbsp;</font></td> <td valign="bottom"><font class="_mt" size="1">&nbsp;&nbsp;</font></td> <td valign="bottom"><font style="font-family: Times New Roman;" class="_mt" size="2">&nbsp;</font></td> <td valign="bottom" align="right"><font style="font-family: Times New Roman;" class="_mt" size="2">233</font></td> <td valign="bottom" nowrap="nowrap"><font style="font-family: Times New Roman;" class="_mt" size="2">&nbsp;&nbsp;</font></td> <td valign="bottom"><font class="_mt" size="1">&nbsp;</font></td> <td valign="bottom"><font style="font-family: Times New Roman;" class="_mt" size="2">&nbsp;</font></td> <td valign="bottom" align="right"><font style="font-family: Times New Roman;" class="_mt" size="2">1,250</font></td> <td valign="bottom" nowrap="nowrap"><font style="font-family: Times New Roman;" class="_mt" size="2">&nbsp;&nbsp;</font></td> <td valign="bottom"><font class="_mt" size="1">&nbsp;&nbsp;</font></td> <td valign="bottom"><font style="font-family: Times New Roman;" class="_mt" size="2">&nbsp;</font></td> <td valign="bottom" align="right"><font style="font-family: Times New Roman;" class="_mt" size="2">189</font></td> <td valign="bottom" nowrap="nowrap"><font style="font-family: Times New Roman;" class="_mt" size="2">&nbsp;&nbsp;</font></td></tr> <tr bgcolor="#cceeff"><td valign="top"> <p style="text-indent: -1em; margin-left: 1em;"><font style="font-family: Times New Roman;" class="_mt" size="2">Receive floating-rate, pay fixed-rate interest rate swaps designated as cash flow hedges</font></p></td> <td valign="bottom"><font class="_mt" size="1">&nbsp;&nbsp;</font></td> <td valign="bottom"><font style="font-family: Times New Roman;" class="_mt" size="2">&nbsp;</font></td> <td valign="bottom" align="right"><font style="font-family: Times New Roman;" class="_mt" size="2">1,182</font></td> <td valign="bottom" nowrap="nowrap"><font style="font-family: Times New Roman;" class="_mt" size="2">&nbsp;&nbsp;</font></td> <td valign="bottom"><font class="_mt" size="1">&nbsp;&nbsp;</font></td> <td valign="bottom"><font style="font-family: Times New Roman;" class="_mt" size="2">&nbsp;</font></td> <td valign="bottom" align="right"><font style="font-family: Times New Roman;" class="_mt" size="2">(18</font></td> <td valign="bottom" nowrap="nowrap"><font style="font-family: Times New Roman;" class="_mt" size="2">)&nbsp;</font></td> <td valign="bottom"><font class="_mt" size="1">&nbsp;</font></td> <td valign="bottom"><font style="font-family: Times New Roman;" class="_mt" size="2">&nbsp;</font></td> <td valign="bottom" align="right"><font style="font-family: Times New Roman;" class="_mt" size="2">638</font></td> <td valign="bottom" nowrap="nowrap"><font style="font-family: Times New Roman;" class="_mt" size="2">&nbsp;&nbsp;</font></td> <td valign="bottom"><font class="_mt" size="1">&nbsp;&nbsp;</font></td> <td valign="bottom"><font style="font-family: Times New Roman;" class="_mt" size="2">&nbsp;</font></td> <td valign="bottom" align="right"><font style="font-family: Times New Roman;" class="_mt" size="2">(20</font></td> <td valign="bottom" nowrap="nowrap"><font style="font-family: Times New Roman;" class="_mt" size="2">)&nbsp;</font></td></tr> <tr><td valign="top"> <p style="text-indent: -1em; margin-left: 1em;"><font style="font-family: Times New Roman;" class="_mt" size="2">Receive fixed-rate, pay fixed-rate cross-currency interest rate swaps designated as cash flow hedges</font></p></td> <td valign="bottom"><font class="_mt" size="1">&nbsp;&nbsp;</font></td> <td valign="bottom"><font style="font-family: Times New Roman;" class="_mt" size="2">&nbsp;</font></td> <td valign="bottom" align="right"><font style="font-family: Times New Roman;" class="_mt" size="2">2,902</font></td> <td valign="bottom" nowrap="nowrap"><font style="font-family: Times New Roman;" class="_mt" size="2">&nbsp;&nbsp;</font></td> <td valign="bottom"><font class="_mt" size="1">&nbsp;&nbsp;</font></td> <td valign="bottom"><font style="font-family: Times New Roman;" class="_mt" size="2">&nbsp;</font></td> <td valign="bottom" align="right"><font style="font-family: Times New Roman;" class="_mt" size="2">238</font></td> <td valign="bottom" nowrap="nowrap"><font style="font-family: Times New Roman;" class="_mt" size="2">&nbsp;&nbsp;</font></td> <td valign="bottom"><font class="_mt" size="1">&nbsp;</font></td> <td valign="bottom"><font style="font-family: Times New Roman;" class="_mt" size="2">&nbsp;</font></td> <td valign="bottom" align="right"><font style="font-family: Times New Roman;" class="_mt" size="2">2,902</font></td> <td valign="bottom" nowrap="nowrap"><font style="font-family: Times New Roman;" class="_mt" size="2">&nbsp;&nbsp;</font></td> <td valign="bottom"><font class="_mt" size="1">&nbsp;&nbsp;</font></td> <td valign="bottom"><font style="font-family: Times New Roman;" class="_mt" size="2">&nbsp;</font></td> <td valign="bottom" align="right"><font style="font-family: Times New Roman;" class="_mt" size="2">286</font></td> <td valign="bottom" nowrap="nowrap"><font style="font-family: Times New Roman;" class="_mt" size="2">&nbsp;&nbsp;</font></td></tr> <tr style="font-size: 1px;"><td valign="bottom"> </td> <td valign="bottom">&nbsp;&nbsp;</td> <td style="border-top: #000000 1px solid;" valign="bottom">&nbsp;</td> <td style="border-top: #000000 1px solid;" valign="bottom">&nbsp;</td> <td>&nbsp;</td> <td valign="bottom">&nbsp;&nbsp;</td> <td style="border-top: #000000 1px solid;" valign="bottom">&nbsp;</td> <td style="border-top: #000000 1px solid;" valign="bottom">&nbsp;</td> <td>&nbsp;</td> <td valign="bottom">&nbsp;</td> <td style="border-top: #000000 1px solid;" valign="bottom">&nbsp;</td> <td style="border-top: #000000 1px solid;" valign="bottom">&nbsp;</td> <td>&nbsp;</td> <td valign="bottom">&nbsp;&nbsp;</td> <td style="border-top: #000000 1px solid;" valign="bottom">&nbsp;</td> <td style="border-top: #000000 1px solid;" valign="bottom">&nbsp;</td> <td>&nbsp;</td></tr> <tr bgcolor="#cceeff"><td valign="top"> <p style="text-indent: -1em; margin-left: 3em;"><font style="font-family: Times New Roman;" class="_mt" size="2">Total</font></p></td> <td valign="bottom"><font class="_mt" size="1">&nbsp;&nbsp;</font></td> <td valign="bottom"><font style="font-family: Times New Roman;" class="_mt" size="2">$</font></td> <td valign="bottom" align="right"><font style="font-family: Times New Roman;" class="_mt" size="2">9,779</font></td> <td valign="bottom" nowrap="nowrap"><font style="font-family: Times New Roman;" class="_mt" size="2">&nbsp;&nbsp;</font></td> <td valign="bottom"><font class="_mt" size="1">&nbsp;&nbsp;</font></td> <td valign="bottom"><font style="font-family: Times New Roman;" class="_mt" size="2">$</font></td> <td valign="bottom" align="right"><font style="font-family: Times New Roman;" class="_mt" size="2">720</font></td> <td valign="bottom" nowrap="nowrap"><font style="font-family: Times New Roman;" class="_mt" size="2">&nbsp;&nbsp;</font></td> <td valign="bottom"><font class="_mt" size="1">&nbsp;</font></td> <td valign="bottom"><font style="font-family: Times New Roman;" class="_mt" size="2">$</font></td> <td valign="bottom" align="right"><font style="font-family: Times New Roman;" class="_mt" size="2">9,235</font></td> <td valign="bottom" nowrap="nowrap"><font style="font-family: Times New Roman;" class="_mt" size="2">&nbsp;&nbsp;</font></td> <td valign="bottom"><font class="_mt" size="1">&nbsp;&nbsp;</font></td> <td valign="bottom"><font style="font-family: Times New Roman;" class="_mt" size="2">$</font></td> <td valign="bottom" align="right"><font style="font-family: Times New Roman;" class="_mt" size="2">715</font></td> <td valign="bottom" nowrap="nowrap"><font style="font-family: Times New Roman;" class="_mt" size="2">&nbsp;&nbsp;</font></td></tr> <tr style="font-size: 1px;"><td valign="bottom"> </td> <td valign="bottom">&nbsp;&nbsp;</td> <td style="border-top: #000000 3px double;" valign="bottom">&nbsp;</td> <td style="border-top: #000000 3px double;" valign="bottom">&nbsp;</td> <td>&nbsp;</td> <td valign="bottom">&nbsp;&nbsp;</td> <td style="border-top: #000000 3px double;" valign="bottom">&nbsp;</td> <td style="border-top: #000000 3px double;" valign="bottom">&nbsp;</td> <td>&nbsp;</td> <td valign="bottom">&nbsp;</td> <td style="border-top: #000000 3px double;" valign="bottom">&nbsp;</td> <td style="border-top: #000000 3px double;" valign="bottom">&nbsp;</td> <td>&nbsp;</td> <td valign="bottom">&nbsp;&nbsp;</td> <td style="border-top: #000000 3px double;" valign="bottom">&nbsp;</td> <td style="border-top: #000000 3px double;" valign="bottom">&nbsp;</td> <td>&nbsp;</td></tr></table> </div>(Amounts in millions) &nbsp;&nbsp; January&nbsp;31, 2011 &nbsp; &nbsp; January&nbsp;31,falsefalsefalsefalsefalseOtherus-types:textBlockItemTypestringNotional Amounts And Fair Values Of Interest Rate Swaps [Text Block]No authoritative reference available.falsefalse13Note 8. Fair Value Measurements (Tables)UnKnownUnKnownUnKnownUnKnownfalsetrue