2.2.0.25falsefalse008100 - Disclosure - Goodwill and Intangible Assets (Tables)truefalsefalse1falsefalseUSDfalsefalse9/1/2010 - 2/28/2011 USD ($) USD ($) / shares $c00053http://www.sec.gov/CIK0000104207duration2010-09-01T00:00:002011-02-28T00:00:00u000Standardhttp://www.xbrl.org/2003/iso4217USDiso42170u003Standardhttp://www.xbrl.org/2003/instancepurexbrli0u001Standardhttp://www.xbrl.org/2003/instancesharesxbrli0u002Dividehttp://www.xbrl.org/2003/iso4217USDiso4217http://www.xbrl.org/2003/instancesharesxbrli0USDUSD$2true0wag_NotesToFinancialStatementsAbstractwagfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsefalsefalseOtherxbrli:stringItemTypestringNo definition available.falsefalseNotes to Financial Statements [Abstract]3false0us-gaap_ScheduleOfGoodwillTextBlockus-gaaptruenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left">Changes in the carrying amount of goodwill consist of the following activity (In millions):</div><div style="DISPLAY: block; TEXT-INDENT: 0pt"> </div><div align="left"><table style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman" cellspacing="0" cellpadding="0" width="41%"><tr><td valign="bottom" align="left" width="55%"><div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left">Net book value – March 1, 2010</div></td><td valign="bottom" width="1%"> </td><td valign="bottom" width="12%" colspan="2"> </td><td style="TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%"> </td></tr><tr bgcolor="#cceeff"><td valign="bottom" align="left" width="55%"><div style="DISPLAY: block; MARGIN-LEFT: 18pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left">Goodwill</div></td><td valign="bottom" align="right" width="1%"> </td><td style="TEXT-ALIGN: left" valign="bottom" width="1%">$</td><td style="TEXT-ALIGN: right" valign="bottom" width="11%">1,492</td><td style="TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%"> </td></tr><tr bgcolor="white"><td style="PADDING-BOTTOM: 1px" valign="bottom" align="left" width="55%"><div style="DISPLAY: block; MARGIN-LEFT: 18pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left">Accumulated impairment losses</div></td><td style="PADDING-BOTTOM: 1px" valign="bottom" align="right" width="1%"> </td><td style="BORDER-BOTTOM: black 1px solid; TEXT-ALIGN: left" valign="bottom" width="1%"> </td><td style="BORDER-BOTTOM: black 1px solid; TEXT-ALIGN: right" valign="bottom" width="11%">(12</td><td style="PADDING-BOTTOM: 1px; TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%">)</td></tr><tr bgcolor="#cceeff"><td valign="bottom" align="left" width="55%"><div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left">Total</div></td><td valign="bottom" align="right" width="1%"> </td><td style="TEXT-ALIGN: left" valign="bottom" width="1%"> </td><td style="TEXT-ALIGN: right" valign="bottom" width="11%">1,480</td><td style="TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%"> </td></tr><tr bgcolor="white"><td valign="bottom" align="left" width="55%"><div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left">Acquisitions</div></td><td valign="bottom" align="right" width="1%"> </td><td style="TEXT-ALIGN: left" valign="bottom" width="1%"> </td><td style="TEXT-ALIGN: right" valign="bottom" width="11%">419</td><td style="TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%"> </td></tr><tr bgcolor="#cceeff"><td valign="bottom" align="left" width="55%"><div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left">Impairment charges</div></td><td valign="bottom" align="right" width="1%"> </td><td style="TEXT-ALIGN: left" valign="bottom" width="1%"> </td><td style="TEXT-ALIGN: right" valign="bottom" width="11%">(16</td><td style="TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%">)</td></tr><tr bgcolor="white"><td style="PADDING-BOTTOM: 1px" valign="bottom" align="left" width="55%"><div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left">Other</div></td><td style="PADDING-BOTTOM: 1px" valign="bottom" align="right" width="1%"> </td><td style="BORDER-BOTTOM: black 1px solid; TEXT-ALIGN: left" valign="bottom" width="1%"> </td><td style="BORDER-BOTTOM: black 1px solid; TEXT-ALIGN: right" valign="bottom" width="11%">4</td><td style="PADDING-BOTTOM: 1px; TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%"> </td></tr><tr bgcolor="#cceeff"><td style="PADDING-BOTTOM: 1px" valign="bottom" align="left" width="55%"><div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left">Net book value – August 31, 2010</div></td><td style="PADDING-BOTTOM: 1px" valign="bottom" align="right" width="1%"> </td><td style="BORDER-BOTTOM: black 1px solid; TEXT-ALIGN: left" valign="bottom" width="1%"> </td><td style="BORDER-BOTTOM: black 1px solid; TEXT-ALIGN: right" valign="bottom" width="11%">1,887</td><td style="PADDING-BOTTOM: 1px; TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%"> </td></tr><tr bgcolor="white"><td valign="bottom" align="left" width="55%"><div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left">Acquisitions</div></td><td valign="bottom" align="right" width="1%"> </td><td style="TEXT-ALIGN: left" valign="bottom" width="1%"> </td><td style="TEXT-ALIGN: right" valign="bottom" width="11%">39</td><td style="TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%"> </td></tr><tr bgcolor="#cceeff"><td style="PADDING-BOTTOM: 1px" valign="bottom" align="left" width="55%"><div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left">Other</div></td><td style="PADDING-BOTTOM: 1px" valign="bottom" align="right" width="1%"> </td><td style="BORDER-BOTTOM: black 1px solid; TEXT-ALIGN: left" valign="bottom" width="1%"> </td><td style="BORDER-BOTTOM: black 1px solid; TEXT-ALIGN: right" valign="bottom" width="11%">(28</td><td style="PADDING-BOTTOM: 1px; TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%">)</td></tr><tr bgcolor="white"><td style="PADDING-BOTTOM: 4px" valign="bottom" align="left" width="55%"><div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left">Net book value – February 28, 2011</div></td><td style="PADDING-BOTTOM: 4px" valign="bottom" align="right" width="1%"> </td><td style="BORDER-BOTTOM: black 3px double; TEXT-ALIGN: left" valign="bottom" width="1%">$</td><td style="BORDER-BOTTOM: black 3px double; TEXT-ALIGN: right" valign="bottom" width="11%">1,898</td><td style="PADDING-BOTTOM: 4px; TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%"> </td></tr></table></div><div style="DISPLAY: block; TEXT-INDENT: 0pt"> </div>Changes in the carrying amount of goodwill consist of the following activity (In millions):Net book value – March 1,falsefalsefalsefalsefalseOtherus-types:textBlockItemTypestringThe carrying amount of goodwill, goodwill acquired during the year, goodwill impairment losses recognized, goodwill written off due to the sale of a business unit, goodwill not yet allocated, and any other changes to goodwill during the period in total and for each reportable segment. At least annually, an Entity must evaluate its goodwill for impairment.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 45 -Subparagraph c Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 45 -Subparagraph e Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 47 falsefalseSchedule of Goodwill [Text Block]4false0us-gaap_ScheduleOfFiniteLivedIntangibleAssetsByMajorClassTextBlockus-gaaptruenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left">The carrying amount and accumulated amortization of intangible assets consists of the following (In millions):</div><div style="DISPLAY: block; TEXT-INDENT: 0pt"> </div><div align="left"><table style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman" cellspacing="0" cellpadding="0" width="80%"><tr><td style="BORDER-TOP: medium none; PADDING-BOTTOM: 1px" valign="bottom" width="64%">  </td><td style="BORDER-TOP: medium none; PADDING-BOTTOM: 1px" valign="bottom" width="1%"> </td><td style="BORDER-TOP: medium none; BORDER-BOTTOM: black 1px solid" valign="bottom" width="10%" colspan="2"><div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center">February 28,</div><div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center">2011</div></td><td style="BORDER-TOP: medium none; PADDING-BOTTOM: 1px; TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%"> </td><td style="BORDER-TOP: medium none; PADDING-BOTTOM: 1px" valign="bottom" width="1%"> </td><td style="BORDER-TOP: medium none; BORDER-BOTTOM: black 1px solid" valign="bottom" width="10%" colspan="2"><div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center">August 31,</div><div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center">2010</div></td><td style="BORDER-TOP: medium none; PADDING-BOTTOM: 1px; TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%"> </td><td style="BORDER-TOP: medium none; PADDING-BOTTOM: 1px" valign="bottom" width="1%"> </td><td style="BORDER-TOP: medium none; BORDER-BOTTOM: black 1px solid" valign="bottom" width="10%" colspan="2"><div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center">February 28,</div><div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center">2010</div></td><td style="BORDER-TOP: medium none; PADDING-BOTTOM: 1px; TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%"> </td></tr><tr><td valign="bottom" align="left" width="64%"><div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: -0.9pt" align="left">Gross Intangible Assets</div></td><td valign="bottom" width="1%"> </td><td valign="bottom" width="10%" colspan="2"> </td><td style="TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%"> </td><td valign="bottom" width="1%"> </td><td valign="bottom" width="10%" colspan="2"> </td><td style="TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%"> </td><td valign="bottom" width="1%"> </td><td valign="bottom" width="10%" colspan="2"> </td><td style="TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%"> </td></tr><tr bgcolor="#cceeff"><td valign="bottom" align="left" width="64%"><div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: -0.9pt" align="left">     Purchased prescription files</div></td><td valign="bottom" align="right" width="1%"> </td><td style="TEXT-ALIGN: left" valign="bottom" width="1%">$</td><td style="TEXT-ALIGN: right" valign="bottom" width="9%">795</td><td style="TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%"> </td><td valign="bottom" align="right" width="1%"> </td><td style="TEXT-ALIGN: left" valign="bottom" width="1%">$</td><td style="TEXT-ALIGN: right" valign="bottom" width="9%">749</td><td style="TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%"> </td><td valign="bottom" align="right" width="1%"> </td><td style="TEXT-ALIGN: left" valign="bottom" width="1%">$</td><td style="TEXT-ALIGN: right" valign="bottom" width="9%">622</td><td style="TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%"> </td></tr><tr bgcolor="white"><td valign="bottom" align="left" width="64%"><div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 45pt" align="left">     Favorable lease interests</div></td><td valign="bottom" align="right" width="1%"> </td><td style="TEXT-ALIGN: left" valign="bottom" width="1%"> </td><td style="TEXT-ALIGN: right" valign="bottom" width="9%">385</td><td style="TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%"> </td><td valign="bottom" align="right" width="1%"> </td><td style="TEXT-ALIGN: left" valign="bottom" width="1%"> </td><td style="TEXT-ALIGN: right" valign="bottom" width="9%">377</td><td style="TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%"> </td><td valign="bottom" align="right" width="1%"> </td><td style="TEXT-ALIGN: left" valign="bottom" width="1%"> </td><td style="TEXT-ALIGN: right" valign="bottom" width="9%">81</td><td style="TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%"> </td></tr><tr bgcolor="#cceeff"><td valign="bottom" align="left" width="64%"><div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 45pt" align="left">     Purchasing and payer contracts</div></td><td valign="bottom" align="right" width="1%"> </td><td style="TEXT-ALIGN: left" valign="bottom" width="1%"> </td><td style="TEXT-ALIGN: right" valign="bottom" width="9%">303</td><td style="TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%"> </td><td valign="bottom" align="right" width="1%"> </td><td style="TEXT-ALIGN: left" valign="bottom" width="1%"> </td><td style="TEXT-ALIGN: right" valign="bottom" width="9%">280</td><td style="TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%"> </td><td valign="bottom" align="right" width="1%"> </td><td style="TEXT-ALIGN: left" valign="bottom" width="1%"> </td><td style="TEXT-ALIGN: right" valign="bottom" width="9%">269</td><td style="TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%"> </td></tr><tr bgcolor="white"><td valign="bottom" align="left" width="64%"><div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 45pt" align="left">     Trade name</div></td><td valign="bottom" align="right" width="1%"> </td><td style="TEXT-ALIGN: left" valign="bottom" width="1%"> </td><td style="TEXT-ALIGN: right" valign="bottom" width="9%">44</td><td style="TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%"> </td><td valign="bottom" align="right" width="1%"> </td><td style="TEXT-ALIGN: left" valign="bottom" width="1%"> </td><td style="TEXT-ALIGN: right" valign="bottom" width="9%">44</td><td style="TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%"> </td><td valign="bottom" align="right" width="1%"> </td><td style="TEXT-ALIGN: left" valign="bottom" width="1%"> </td><td style="TEXT-ALIGN: right" valign="bottom" width="9%">26</td><td style="TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%"> </td></tr><tr bgcolor="#cceeff"><td style="PADDING-BOTTOM: 1px" valign="bottom" align="left" width="64%"><div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 45pt" align="left">     Other amortizable intangible assets</div></td><td style="PADDING-BOTTOM: 1px" valign="bottom" align="right" width="1%"> </td><td style="BORDER-BOTTOM: black 1px solid; TEXT-ALIGN: left" valign="bottom" width="1%"> </td><td style="BORDER-BOTTOM: black 1px solid; TEXT-ALIGN: right" valign="bottom" width="9%">90</td><td style="PADDING-BOTTOM: 1px; TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%"> </td><td style="PADDING-BOTTOM: 1px" valign="bottom" align="right" width="1%"> </td><td style="BORDER-BOTTOM: black 1px solid; TEXT-ALIGN: left" valign="bottom" width="1%"> </td><td style="BORDER-BOTTOM: black 1px solid; TEXT-ALIGN: right" valign="bottom" width="9%">103</td><td style="PADDING-BOTTOM: 1px; TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%"> </td><td style="PADDING-BOTTOM: 1px" valign="bottom" align="right" width="1%"> </td><td style="BORDER-BOTTOM: black 1px solid; TEXT-ALIGN: left" valign="bottom" width="1%"> </td><td style="BORDER-BOTTOM: black 1px solid; TEXT-ALIGN: right" valign="bottom" width="9%">66</td><td style="PADDING-BOTTOM: 1px; TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%"> </td></tr><tr bgcolor="white"><td style="PADDING-BOTTOM: 1px" valign="bottom" align="left" width="64%"><div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 45pt" align="left">Total gross intangible assets</div></td><td style="PADDING-BOTTOM: 1px" valign="bottom" align="right" width="1%"> </td><td style="BORDER-BOTTOM: black 1px solid; TEXT-ALIGN: left" valign="bottom" width="1%"> </td><td style="BORDER-BOTTOM: black 1px solid; TEXT-ALIGN: right" valign="bottom" width="9%">1,617</td><td style="PADDING-BOTTOM: 1px; TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%"> </td><td style="PADDING-BOTTOM: 1px" valign="bottom" align="right" width="1%"> </td><td style="BORDER-BOTTOM: black 1px solid; TEXT-ALIGN: left" valign="bottom" width="1%"> </td><td style="BORDER-BOTTOM: black 1px solid; TEXT-ALIGN: right" valign="bottom" width="9%">1,553</td><td style="PADDING-BOTTOM: 1px; TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%"> </td><td style="PADDING-BOTTOM: 1px" valign="bottom" align="right" width="1%"> </td><td style="BORDER-BOTTOM: black 1px solid; TEXT-ALIGN: left" valign="bottom" width="1%"> </td><td style="BORDER-BOTTOM: black 1px solid; TEXT-ALIGN: right" valign="bottom" width="9%">1,064</td><td style="PADDING-BOTTOM: 1px; TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%"> </td></tr><tr bgcolor="#cceeff"><td valign="bottom" width="64%">  </td><td valign="bottom" width="1%"> </td><td style="TEXT-ALIGN: left" valign="bottom" width="1%"> </td><td style="TEXT-ALIGN: right" valign="bottom" width="9%"> </td><td style="TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%"> </td><td valign="bottom" width="1%"> </td><td style="TEXT-ALIGN: left" valign="bottom" width="1%"> </td><td style="TEXT-ALIGN: right" valign="bottom" width="9%"> </td><td style="TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%"> </td><td valign="bottom" width="1%"> </td><td style="TEXT-ALIGN: left" valign="bottom" width="1%"> </td><td style="TEXT-ALIGN: right" valign="bottom" width="9%"> </td><td style="TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%"> </td></tr><tr bgcolor="white"><td valign="bottom" align="left" width="64%"><div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 45pt" align="left">Accumulated amortization</div></td><td valign="bottom" width="1%"> </td><td style="TEXT-ALIGN: left" valign="bottom" width="1%"> </td><td style="TEXT-ALIGN: right" valign="bottom" width="9%"> </td><td style="TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%"> </td><td valign="bottom" width="1%"> </td><td style="TEXT-ALIGN: left" valign="bottom" width="1%"> </td><td style="TEXT-ALIGN: right" valign="bottom" width="9%"> </td><td style="TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%"> </td><td valign="bottom" width="1%"> </td><td style="TEXT-ALIGN: left" valign="bottom" width="1%"> </td><td style="TEXT-ALIGN: right" valign="bottom" width="9%"> </td><td style="TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%"> </td></tr><tr bgcolor="#cceeff"><td valign="bottom" align="left" width="64%"><div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: -0.9pt" align="left">     Purchased prescription files</div></td><td valign="bottom" align="right" width="1%"> </td><td style="TEXT-ALIGN: left" valign="bottom" width="1%"> </td><td style="TEXT-ALIGN: right" valign="bottom" width="9%">(309</td><td style="TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%">)</td><td valign="bottom" align="right" width="1%"> </td><td style="TEXT-ALIGN: left" valign="bottom" width="1%"> </td><td style="TEXT-ALIGN: right" valign="bottom" width="9%">(293</td><td style="TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%">)</td><td valign="bottom" align="right" width="1%"> </td><td style="TEXT-ALIGN: left" valign="bottom" width="1%"> </td><td style="TEXT-ALIGN: right" valign="bottom" width="9%">(238</td><td style="TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%">)</td></tr><tr bgcolor="white"><td valign="bottom" align="left" width="64%"><div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 45pt" align="left">     Favorable lease interests</div></td><td valign="bottom" align="right" width="1%"> </td><td style="TEXT-ALIGN: left" valign="bottom" width="1%"> </td><td style="TEXT-ALIGN: right" valign="bottom" width="9%">(58</td><td style="TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%">)</td><td valign="bottom" align="right" width="1%"> </td><td style="TEXT-ALIGN: left" valign="bottom" width="1%"> </td><td style="TEXT-ALIGN: right" valign="bottom" width="9%">(38</td><td style="TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%">)</td><td valign="bottom" align="right" width="1%"> </td><td style="TEXT-ALIGN: left" valign="bottom" width="1%"> </td><td style="TEXT-ALIGN: right" valign="bottom" width="9%">(23</td><td style="TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%">)</td></tr><tr bgcolor="#cceeff"><td valign="bottom" align="left" width="64%"><div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 45pt" align="left">     Purchasing and payer contracts</div></td><td valign="bottom" align="right" width="1%"> </td><td style="TEXT-ALIGN: left" valign="bottom" width="1%"> </td><td style="TEXT-ALIGN: right" valign="bottom" width="9%">(81</td><td style="TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%">)</td><td valign="bottom" align="right" width="1%"> </td><td style="TEXT-ALIGN: left" valign="bottom" width="1%"> </td><td style="TEXT-ALIGN: right" valign="bottom" width="9%">(68</td><td style="TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%">)</td><td valign="bottom" align="right" width="1%"> </td><td style="TEXT-ALIGN: left" valign="bottom" width="1%"> </td><td style="TEXT-ALIGN: right" valign="bottom" width="9%">(57</td><td style="TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%">)</td></tr><tr bgcolor="white"><td valign="bottom" align="left" width="64%"><div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 45pt" align="left">     Trade name</div></td><td valign="bottom" align="right" width="1%"> </td><td style="TEXT-ALIGN: left" valign="bottom" width="1%"> </td><td style="TEXT-ALIGN: right" valign="bottom" width="9%">(7</td><td style="TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%">)</td><td valign="bottom" align="right" width="1%"> </td><td style="TEXT-ALIGN: left" valign="bottom" width="1%"> </td><td style="TEXT-ALIGN: right" valign="bottom" width="9%">(3</td><td style="TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%">)</td><td valign="bottom" align="right" width="1%"> </td><td style="TEXT-ALIGN: left" valign="bottom" width="1%"> </td><td style="TEXT-ALIGN: right" valign="bottom" width="9%">(14</td><td style="TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%">)</td></tr><tr bgcolor="#cceeff"><td style="PADDING-BOTTOM: 1px" valign="bottom" align="left" width="64%"><div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 45pt" align="left">     Other amortizable intangibles</div></td><td style="PADDING-BOTTOM: 1px" valign="bottom" align="right" width="1%"> </td><td style="BORDER-BOTTOM: black 1px solid; TEXT-ALIGN: left" valign="bottom" width="1%"> </td><td style="BORDER-BOTTOM: black 1px solid; TEXT-ALIGN: right" valign="bottom" width="9%">(41</td><td style="PADDING-BOTTOM: 1px; TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%">)</td><td style="PADDING-BOTTOM: 1px" valign="bottom" align="right" width="1%"> </td><td style="BORDER-BOTTOM: black 1px solid; TEXT-ALIGN: left" valign="bottom" width="1%"> </td><td style="BORDER-BOTTOM: black 1px solid; TEXT-ALIGN: right" valign="bottom" width="9%">(37</td><td style="PADDING-BOTTOM: 1px; TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%">)</td><td style="PADDING-BOTTOM: 1px" valign="bottom" align="right" width="1%"> </td><td style="BORDER-BOTTOM: black 1px solid; TEXT-ALIGN: left" valign="bottom" width="1%"> </td><td style="BORDER-BOTTOM: black 1px solid; TEXT-ALIGN: right" valign="bottom" width="9%">(29</td><td style="PADDING-BOTTOM: 1px; TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%">)</td></tr><tr bgcolor="white"><td style="PADDING-BOTTOM: 1px" valign="bottom" align="left" width="64%"><div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 45pt" align="left">Total accumulated amortization</div></td><td style="PADDING-BOTTOM: 1px" valign="bottom" align="right" width="1%"> </td><td style="BORDER-BOTTOM: black 1px solid; TEXT-ALIGN: left" valign="bottom" width="1%"> </td><td style="BORDER-BOTTOM: black 1px solid; TEXT-ALIGN: right" valign="bottom" width="9%">(496</td><td style="PADDING-BOTTOM: 1px; TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%">)</td><td style="PADDING-BOTTOM: 1px" valign="bottom" align="right" width="1%"> </td><td style="BORDER-BOTTOM: black 1px solid; TEXT-ALIGN: left" valign="bottom" width="1%"> </td><td style="BORDER-BOTTOM: black 1px solid; TEXT-ALIGN: right" valign="bottom" width="9%">(439</td><td style="PADDING-BOTTOM: 1px; TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%">)</td><td style="PADDING-BOTTOM: 1px" valign="bottom" align="right" width="1%"> </td><td style="BORDER-BOTTOM: black 1px solid; TEXT-ALIGN: left" valign="bottom" width="1%"> </td><td style="BORDER-BOTTOM: black 1px solid; TEXT-ALIGN: right" valign="bottom" width="9%">(361</td><td style="PADDING-BOTTOM: 1px; TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%">)</td></tr><tr bgcolor="#cceeff"><td style="PADDING-BOTTOM: 3px" valign="bottom" align="left" width="64%"><div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 45pt" align="left">Total intangible assets, net</div></td><td style="PADDING-BOTTOM: 3px" valign="bottom" align="right" width="1%"> </td><td style="BORDER-BOTTOM: black 3px double; TEXT-ALIGN: left" valign="bottom" width="1%">$</td><td style="BORDER-BOTTOM: black 3px double; TEXT-ALIGN: right" valign="bottom" width="9%">1,121</td><td style="PADDING-BOTTOM: 3px; TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%"> </td><td style="PADDING-BOTTOM: 3px" valign="bottom" align="right" width="1%"> </td><td style="BORDER-BOTTOM: black 3px double; TEXT-ALIGN: left" valign="bottom" width="1%">$</td><td style="BORDER-BOTTOM: black 3px double; TEXT-ALIGN: right" valign="bottom" width="9%">1,114</td><td style="PADDING-BOTTOM: 3px; TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%"> </td><td style="PADDING-BOTTOM: 3px" valign="bottom" align="right" width="1%"> </td><td style="BORDER-BOTTOM: black 3px double; TEXT-ALIGN: left" valign="bottom" width="1%">$</td><td style="BORDER-BOTTOM: black 3px double; TEXT-ALIGN: right" valign="bottom" width="9%">703</td><td style="PADDING-BOTTOM: 3px; TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%"> </td></tr></table></div><div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt"><div style="DISPLAY: block; TEXT-INDENT: 0pt"> </div></div>The carrying amount and accumulated amortization of intangible assets consists of the following (In millions):   February 28,2011  AugustfalsefalsefalsefalsefalseOtherus-types:textBlockItemTypestringDisclosure of amortizable intangibles assets, in total and by major class, including the gross carrying amount and accumulated amortization. A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 45 -Subparagraph a falsefalseSchedule of Finite-Lived Intangible Assets by Major Class [Text Block]13Goodwill and Intangible Assets (Tables)UnKnownUnKnownUnKnownUnKnownfalsetrue