2.2.0.25falsefalse31703 - Disclosure - Note 17. Subsequent Events (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_SubsequentEventsAbstractwmtfalsenadurationsubsequent events [abstract]falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsefalsefalseOtherxbrli:stringItemTypestringsubsequent events [abstract]falsefalse3false0wmt_ScheduleOfAnnualDividendRecordDateAndPayableDateTableTextBlockwmtfalsenadurationSchedule Of Annual Dividend Record Date And Payable Date Table Text Blockfalsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1falsefalsefalse00<div> <table border="0" cellspacing="0" cellpadding="0" width="68%" align="center"> <tr><td width="51%"> </td> <td valign="bottom" width="3%"> </td> <td width="46%"> </td></tr> <tr><td valign="bottom" nowrap="nowrap"> <p style="border-bottom: #000000 1px solid; width: 42pt;"><font style="font-family: Times New Roman;" class="_mt" size="1"><b>Record Date</b></font></p></td> <td valign="bottom"><font class="_mt" size="1">&nbsp;&nbsp;</font></td> <td valign="bottom"> <p style="border-bottom: #000000 1px solid; width: 45pt;"><font style="font-family: Times New Roman;" class="_mt" size="1"><b>Payable Date</b></font></p></td></tr> <tr bgcolor="#cceeff"><td valign="top"><font style="font-family: Times New Roman;" class="_mt" size="2">March 11, 2011</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">April 4, 2011</font></td></tr> <tr><td valign="top"><font style="font-family: Times New Roman;" class="_mt" size="2">May 13, 2011</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">June 6, 2011</font></td></tr> <tr bgcolor="#cceeff"><td valign="top"><font style="font-family: Times New Roman;" class="_mt" size="2">August 12, 2011</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">September 6, 2011</font></td></tr> <tr><td valign="top"><font style="font-family: Times New Roman;" class="_mt" size="2">December 9, 2011</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">January 3, 2012</font></td></tr></table> </div>Record Date &nbsp;&nbsp; Payable Date March 11, 2011 &nbsp;&nbsp; April 4, 2011 May 13, 2011 &nbsp;&nbsp; June 6, 2011 August 12, 2011 &nbsp;&nbsp; SeptemberfalsefalsefalsefalsefalseOtherus-types:textBlockItemTypestringSchedule Of Annual Dividend Record Date And Payable Date Table Text BlockNo authoritative reference available.falsefalse12Note 17. Subsequent Events (Tables)UnKnownUnKnownUnKnownUnKnownfalsetrue