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2.2.0.7 false Investment Securities (Tables) 134 - Disclosure - Investment Securities (Tables) true false false false 1 USD false false iso4217_USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 pure Standard http://www.xbrl.org/2003/instance pure 0 iso4217_USD_per_shares Divide http://www.xbrl.org/2003/iso4217 USD iso4217 http://www.xbrl.org/2003/instance shares 0 shares Standard http://www.xbrl.org/2003/instance shares 0 $ 5 Available-for-Sale Investment Securities, Unrealized Gains and Losses 3 ma_UnrealizedGainsAndLossesOnInvestmentsTextBlock ma false na duration Unrealized gains and losses on investments. false false false false false false false false false false false false 1 false false false false 0 0 <div> The major categories of the Company’s available-for-sale investment securities, for which unrealized gains and losses are recorded as a separate component of other comprehensive income on the consolidated statements of comprehensive income, and their respective cost basis and fair values as of September 30, 2010 and December 31, 2009 were as follows:   <table border="0" cellspacing="0" cellpadding="0" width="92%" align="center"> <tr> <td width="64%"></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"> </td> <td valign="bottom">  </td> <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="14" align="center">September 30, 2010</td> <td valign="bottom"> </td> </tr> <tr> <td valign="bottom"> </td> <td valign="bottom">  </td> <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center">Amortized Cost</td> <td valign="bottom"> </td> <td valign="bottom">  </td> <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center">Gross Unrealized Gain</td> <td valign="bottom"> </td> <td valign="bottom">  </td> <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center">Gross Unrealized Loss 1</td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center">Fair Value</td> <td valign="bottom"> </td> </tr> <tr> <td valign="bottom"> </td> <td valign="bottom">  </td> <td valign="bottom" colspan="14" align="center">(In millions)</td> <td valign="bottom"> </td> </tr> <tr bgcolor="#CCEEFF"> <td valign="top"> Municipal bonds </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">497</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">23</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">—  </td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">520</td> <td valign="bottom" nowrap="nowrap">  </td> </tr> <tr> <td valign="top"> Taxable short-term bond funds </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">309</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">7</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">316</td> <td valign="bottom" nowrap="nowrap">  </td> </tr> <tr bgcolor="#CCEEFF"> <td valign="top"> Auction rate securities </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">139</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(21</td> <td valign="bottom" nowrap="nowrap">) </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">118</td> <td valign="bottom" nowrap="nowrap">  </td> </tr> <tr style="FONT-SIZE: 1px"> <td valign="bottom"></td> <td valign="bottom">  </td> <td style="BORDER-TOP: #000000 1px solid" valign="bottom">  </td> <td style="BORDER-TOP: #000000 1px solid" valign="bottom">  </td> <td> </td> <td valign="bottom">  </td> <td style="BORDER-TOP: #000000 1px solid" valign="bottom">  </td> <td style="BORDER-TOP: #000000 1px solid" valign="bottom">  </td> <td> </td> <td valign="bottom">  </td> <td style="BORDER-TOP: #000000 1px solid" valign="bottom">  </td> <td style="BORDER-TOP: #000000 1px solid" valign="bottom">  </td> <td> </td> <td valign="bottom"> </td> <td style="BORDER-TOP: #000000 1px solid" valign="bottom">  </td> <td style="BORDER-TOP: #000000 1px solid" valign="bottom">  </td> <td> </td> </tr> <tr> <td valign="top"> Total </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">945</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">30</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">(21</td> <td valign="bottom" nowrap="nowrap">) </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">954</td> <td valign="bottom" nowrap="nowrap">  </td> </tr> <tr style="FONT-SIZE: 1px"> <td valign="bottom"></td> <td valign="bottom">  </td> <td style="BORDER-TOP: #000000 3px double" valign="bottom">  </td> <td style="BORDER-TOP: #000000 3px double" valign="bottom">  </td> <td> </td> <td valign="bottom">  </td> <td style="BORDER-TOP: #000000 3px double" valign="bottom">  </td> <td style="BORDER-TOP: #000000 3px double" valign="bottom">  </td> <td> </td> <td valign="bottom">  </td> <td style="BORDER-TOP: #000000 3px double" valign="bottom">  </td> <td style="BORDER-TOP: #000000 3px double" valign="bottom">  </td> <td> </td> <td valign="bottom"> </td> <td style="BORDER-TOP: #000000 3px double" valign="bottom">  </td> <td style="BORDER-TOP: #000000 3px double" valign="bottom">  </td> <td> </td> </tr> <tr> <td height="16"></td> <td height="16" colspan="16"></td> </tr> <tr> <td valign="bottom"> </td> <td valign="bottom">  </td> <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="14" align="center">December 31, 2009</td> <td valign="bottom"> </td> </tr> <tr> <td valign="bottom"> </td> <td valign="bottom">  </td> <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center">Amortized Cost</td> <td valign="bottom"> </td> <td valign="bottom">  </td> <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center">Gross Unrealized Gain</td> <td valign="bottom"> </td> <td valign="bottom">  </td> <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center">Gross Unrealized Loss 1</td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center">Fair Value</td> <td valign="bottom"> </td> </tr> <tr> <td valign="bottom"> </td> <td valign="bottom">  </td> <td valign="bottom" colspan="14" align="center">(In millions)</td> <td valign="bottom"> </td> </tr> <tr bgcolor="#CCEEFF"> <td valign="top"> Municipal bonds </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">492</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">22</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">—  </td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">514</td> <td valign="bottom" nowrap="nowrap">  </td> </tr> <tr> <td valign="top"> Taxable short-term bond funds </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">306</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">4</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">310</td> <td valign="bottom" nowrap="nowrap">  </td> </tr> <tr bgcolor="#CCEEFF"> <td valign="top"> Auction rate securities </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">212</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(32</td> <td valign="bottom" nowrap="nowrap">) </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">180</td> <td valign="bottom" nowrap="nowrap">  </td> </tr> <tr style="FONT-SIZE: 1px"> <td valign="bottom"></td> <td valign="bottom">  </td> <td style="BORDER-TOP: #000000 1px solid" valign="bottom">  </td> <td style="BORDER-TOP: #000000 1px solid" valign="bottom">  </td> <td> </td> <td valign="bottom">  </td> <td style="BORDER-TOP: #000000 1px solid" valign="bottom">  </td> <td style="BORDER-TOP: #000000 1px solid" valign="bottom">  </td> <td> </td> <td valign="bottom">  </td> <td style="BORDER-TOP: #000000 1px solid" valign="bottom">  </td> <td style="BORDER-TOP: #000000 1px solid" valign="bottom">  </td> <td> </td> <td valign="bottom"> </td> <td style="BORDER-TOP: #000000 1px solid" valign="bottom">  </td> <td style="BORDER-TOP: #000000 1px solid" valign="bottom">  </td> <td> </td> </tr> <tr> <td valign="top"> Total </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">1,010</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">26</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">(32</td> <td valign="bottom" nowrap="nowrap">) </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">1,004</td> <td valign="bottom" nowrap="nowrap">  </td> </tr> <tr style="FONT-SIZE: 1px"> <td valign="bottom"></td> <td valign="bottom">  </td> <td style="BORDER-TOP: #000000 3px double" valign="bottom">  </td> <td style="BORDER-TOP: #000000 3px double" valign="bottom">  </td> <td> </td> <td valign="bottom">  </td> <td style="BORDER-TOP: #000000 3px double" valign="bottom">  </td> <td style="BORDER-TOP: #000000 3px double" valign="bottom">  </td> <td> </td> <td valign="bottom">  </td> <td style="BORDER-TOP: #000000 3px double" valign="bottom">  </td> <td style="BORDER-TOP: #000000 3px double" valign="bottom">  </td> <td> </td> <td valign="bottom"> </td> <td style="BORDER-TOP: #000000 3px double" valign="bottom">  </td> <td style="BORDER-TOP: #000000 3px double" valign="bottom">  </td> <td> </td> </tr> </table>   <table style="BORDER-COLLAPSE: collapse" border="0" cellspacing="0" cellpadding="0" width="100%"> <tr> <td valign="top" width="4%" align="left">1</td> <td valign="top" align="left"> The unrealized losses have been in an unrealized loss position longer than 12 months, but have not been deemed other-than-temporarily impaired. </td> </tr> </table> </div> The major categories of the Company’s available-for-sale investment securities, for which unrealized gains and losses are recorded as a separate false false false us-types:textBlockItemType textblock Unrealized gains and losses on investments. No authoritative reference available. false 6 Roll-Forward of ARS Investments 3 ma_InvestmentInAvailableForSaleAuctionRateSecuritiesAndSettlementAgreementTextBlock ma false na duration .Investment in available for sale auction rate securities and settlement agreement false false false false false false false false false false false false 1 false false false false 0 0 <div> The table below includes a roll-forward of the Company’s ARS investments from January 1, 2010 to September 30, 2010.   <table border="0" cellspacing="0" cellpadding="0" width="68%" align="center"> <tr> <td width="82%"></td> <td valign="bottom" width="15%"></td> <td></td> <td></td> <td></td> </tr> <tr> <td valign="bottom"> </td> <td valign="bottom">  </td> <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center">Significant Unobservable Inputs (Level 3)</td> <td valign="bottom"> </td> </tr> <tr> <td valign="bottom"> </td> <td valign="bottom">  </td> <td valign="bottom" colspan="2" align="center">(In millions)</td> <td valign="bottom"> </td> </tr> <tr bgcolor="#CCEEFF"> <td valign="top"> Fair value, January 1, 2010 </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">180</td> <td valign="bottom" nowrap="nowrap">  </td> </tr> <tr> <td valign="top"> Calls, at par </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(73</td> <td valign="bottom" nowrap="nowrap">) </td> </tr> <tr bgcolor="#CCEEFF"> <td valign="top"> Recovery of unrealized losses due to issuer calls </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">11</td> <td valign="bottom" nowrap="nowrap">  </td> </tr> <tr style="FONT-SIZE: 1px"> <td valign="bottom"></td> <td valign="bottom">  </td> <td style="BORDER-TOP: #000000 1px solid" valign="bottom">  </td> <td style="BORDER-TOP: #000000 1px solid" valign="bottom">  </td> <td> </td> </tr> <tr> <td valign="top"> Fair value, September 30, 2010 </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">118</td> <td valign="bottom" nowrap="nowrap">  </td> </tr> <tr style="FONT-SIZE: 1px"> <td valign="bottom"></td> <td valign="bottom">  </td> <td style="BORDER-TOP: #000000 3px double" valign="bottom">  </td> <td style="BORDER-TOP: #000000 3px double" valign="bottom">  </td> <td> </td> </tr> </table> </div> The table below includes a roll-forward of the Company’s ARS investments from January 1, 2010 to September 30, false false false us-types:textBlockItemType textblock .Investment in available for sale auction rate securities and settlement agreement No authoritative reference available. false 7 Carrying Value, Gross Unrecorded Gains and Fair Value of Held-to-Maturity Investment Securities 3 us-gaap_HeldToMaturitySecuritiesTextBlock us-gaap true na duration No definition available. false false false false false false false false false false false false 1 false false false false 0 0 <div> The carrying value, gross unrecorded gains and fair value of these held-to-maturity investment securities were as follows:   <table border="0" cellspacing="0" cellpadding="0" width="76%" align="center"> <tr> <td width="72%"></td> <td valign="bottom" width="11%"></td> <td></td> <td></td> <td></td> <td valign="bottom" width="11%"></td> <td></td> <td></td> <td></td> </tr> <tr> <td valign="bottom"> </td> <td valign="bottom">  </td> <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center">September 30, 2010</td> <td valign="bottom"> </td> <td valign="bottom">  </td> <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center">December 31, 2009</td> <td valign="bottom"> </td> </tr> <tr> <td valign="bottom"> </td> <td valign="bottom">  </td> <td valign="bottom" colspan="6" align="center">(In millions)</td> <td valign="bottom"> </td> </tr> <tr bgcolor="#CCEEFF"> <td valign="top"> Carrying value </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">337</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">338</td> <td valign="bottom" nowrap="nowrap">  </td> </tr> <tr> <td valign="top"> Gross unrecorded gains </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">3</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">2</td> <td valign="bottom" nowrap="nowrap">  </td> </tr> <tr style="FONT-SIZE: 1px"> <td valign="bottom"></td> <td valign="bottom">  </td> <td style="BORDER-TOP: #000000 1px solid" valign="bottom">  </td> <td style="BORDER-TOP: #000000 1px solid" valign="bottom">  </td> <td> </td> <td valign="bottom">  </td> <td style="BORDER-TOP: #000000 1px solid" valign="bottom">  </td> <td style="BORDER-TOP: #000000 1px solid" valign="bottom">  </td> <td> </td> </tr> <tr bgcolor="#CCEEFF"> <td valign="top"> Fair value </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">340</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">340</td> <td valign="bottom" nowrap="nowrap">  </td> </tr> <tr style="FONT-SIZE: 1px"> <td valign="bottom"></td> <td valign="bottom">  </td> <td style="BORDER-TOP: #000000 3px double" valign="bottom">  </td> <td style="BORDER-TOP: #000000 3px double" valign="bottom">  </td> <td> </td> <td valign="bottom">  </td> <td style="BORDER-TOP: #000000 3px double" valign="bottom">  </td> <td style="BORDER-TOP: #000000 3px double" valign="bottom">  </td> <td> </td> </tr> </table>   </div> The carrying value, gross unrecorded gains and fair value of these held-to-maturity investment securities were as false false false us-types:textBlockItemType textblock This item represents the entire disclosure related to all investments in certain debt and equity securities for which the Company has the positive intent and ability to hold until maturity. A debt security represents a creditor relationship with an enterprise. Debt securities include, among other items, US Treasury securities, US government securities, municipal securities, corporate bonds, convertible debt, commercial paper, and all securitized debt instruments. In general, in order for an equity security to be categorized as held-to-maturity it must, by its terms, either be [mandatorily] redeemable by the issuing enterprise or at the option of the Company (holder), such as certain preferred stock instruments; also, a collateralized mortgage obligation (CMO) (or other instrument) that is issued in equity form but is required to be accounted for as a nonequity instrument regardless of how that instrument is classified (that is, whether equity or debt) in the issuer's statement of financial position. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 115 -Paragraph 137 false 8 Maturity Distribution Based on Contractual Terms of Investment Securities 3 ma_InvestmentsClassifiedByContractualMaturityDateTextBlock ma false na duration Investments classified by contractual maturity date. false false false false false false false false false false false false 1 false false false false 0 0 <div> The maturity distribution based on the contractual terms of the Company’s investment securities at September 30, 2010 was as follows:   <table border="0" cellspacing="0" cellpadding="0" width="92%" align="center"> <tr> <td width="64%"></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"> </td> <td valign="bottom">  </td> <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="6" align="center">Available-For-Sale</td> <td valign="bottom"> </td> <td valign="bottom">  </td> <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="6" align="center">Held-To-Maturity</td> <td valign="bottom"> </td> </tr> <tr> <td valign="bottom"> </td> <td valign="bottom">  </td> <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center">Amortized Cost</td> <td valign="bottom"> </td> <td valign="bottom">  </td> <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center">Fair Value</td> <td valign="bottom"> </td> <td valign="bottom">  </td> <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center">Carrying Value</td> <td valign="bottom"> </td> <td valign="bottom">  </td> <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center">Fair Value</td> <td valign="bottom"> </td> </tr> <tr> <td valign="bottom"> </td> <td valign="bottom">  </td> <td valign="bottom" colspan="14" align="center">(In millions)</td> <td valign="bottom"> </td> </tr> <tr bgcolor="#CCEEFF"> <td valign="top"> Due within 1 year </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">47</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">48</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">301</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">301</td> <td valign="bottom" nowrap="nowrap">  </td> </tr> <tr> <td valign="top"> Due after 1 year through 5 years </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">359</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">377</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">36</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">39</td> <td valign="bottom" nowrap="nowrap">  </td> </tr> <tr bgcolor="#CCEEFF"> <td valign="top"> Due after 5 years through 10 years </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">95</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">99</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom" nowrap="nowrap">  </td> </tr> <tr> <td valign="top"> Due after 10 years </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">135</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">114</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom" nowrap="nowrap">  </td> </tr> <tr bgcolor="#CCEEFF"> <td valign="top"> No contractual maturity </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">309</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">316</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom" nowrap="nowrap">  </td> </tr> <tr style="FONT-SIZE: 1px"> <td valign="bottom"></td> <td valign="bottom">  </td> <td style="BORDER-TOP: #000000 1px solid" valign="bottom">  </td> <td style="BORDER-TOP: #000000 1px solid" valign="bottom">  </td> <td> </td> <td valign="bottom">  </td> <td style="BORDER-TOP: #000000 1px solid" valign="bottom">  </td> <td style="BORDER-TOP: #000000 1px solid" valign="bottom">  </td> <td> </td> <td valign="bottom">  </td> <td style="BORDER-TOP: #000000 1px solid" valign="bottom">  </td> <td style="BORDER-TOP: #000000 1px solid" valign="bottom">  </td> <td> </td> <td valign="bottom">  </td> <td style="BORDER-TOP: #000000 1px solid" valign="bottom">  </td> <td style="BORDER-TOP: #000000 1px solid" valign="bottom">  </td> <td> </td> </tr> <tr> <td valign="top"> Total </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">945</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">954</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">337</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">340</td> <td valign="bottom" nowrap="nowrap">  </td> </tr> <tr style="FONT-SIZE: 1px"> <td valign="bottom"></td> <td valign="bottom">  </td> <td style="BORDER-TOP: #000000 3px double" valign="bottom">  </td> <td style="BORDER-TOP: #000000 3px double" valign="bottom">  </td> <td> </td> <td valign="bottom">  </td> <td style="BORDER-TOP: #000000 3px double" valign="bottom">  </td> <td style="BORDER-TOP: #000000 3px double" valign="bottom">  </td> <td> </td> <td valign="bottom">  </td> <td style="BORDER-TOP: #000000 3px double" valign="bottom">  </td> <td style="BORDER-TOP: #000000 3px double" valign="bottom">  </td> <td> </td> <td valign="bottom">  </td> <td style="BORDER-TOP: #000000 3px double" valign="bottom">  </td> <td style="BORDER-TOP: #000000 3px double" valign="bottom">  </td> <td> </td> </tr> </table> </div> The maturity distribution based on the contractual terms of the Company’s investment securities at September 30, 2010 was false false false us-types:textBlockItemType textblock Investments classified by contractual maturity date. No authoritative reference available. false 9 Maturity Ranges of ARS portfolio 3 ma_MaturitiesOfAuctionRateSecuritiesDisclosuresTextBlock ma false na duration Maturities of Auction Rate Securities Disclosures. false false false false false false false false false false false false 1 false false false false 0 0 <div> The table below summarizes the maturity ranges of the ARS portfolio, based on relative par value, as of September 30, 2010:   <table border="0" cellspacing="0" cellpadding="0" width="76%" align="center"> <tr> <td width="76%"></td> <td valign="bottom" width="10%"></td> <td></td> <td></td> <td></td> <td valign="bottom" width="10%"></td> <td></td> <td></td> <td></td> </tr> <tr> <td valign="bottom"> </td> <td valign="bottom">  </td> <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center">Par Amount</td> <td valign="bottom"> </td> <td valign="bottom">  </td> <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center">% of Total</td> <td valign="bottom"> </td> </tr> <tr> <td valign="bottom"> </td> <td valign="bottom">  </td> <td valign="bottom" colspan="2" align="center">(In millions)</td> <td valign="bottom"> </td> <td valign="bottom">  </td> <td valign="bottom" colspan="2"> </td> <td valign="bottom"> </td> </tr> <tr bgcolor="#CCEEFF"> <td valign="top"> Due within 10 years </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">4</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">3</td> <td valign="bottom" nowrap="nowrap">% </td> </tr> <tr> <td valign="top"> Due year 11 through year 20 </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">23</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">17</td> <td valign="bottom" nowrap="nowrap">% </td> </tr> <tr bgcolor="#CCEEFF"> <td valign="top"> Due year 21 through year 30 </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">75</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">54</td> <td valign="bottom" nowrap="nowrap">% </td> </tr> <tr> <td valign="top"> Due after year 30 </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">37</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">26</td> <td valign="bottom" nowrap="nowrap">% </td> </tr> <tr style="FONT-SIZE: 1px"> <td valign="bottom"></td> <td valign="bottom">  </td> <td style="BORDER-TOP: #000000 1px solid" valign="bottom">  </td> <td style="BORDER-TOP: #000000 1px solid" valign="bottom">  </td> <td> </td> <td valign="bottom">  </td> <td style="BORDER-TOP: #000000 1px solid" valign="bottom">  </td> <td style="BORDER-TOP: #000000 1px solid" valign="bottom">  </td> <td> </td> </tr> <tr bgcolor="#CCEEFF"> <td valign="top"> Total </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">139</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">100</td> <td valign="bottom" nowrap="nowrap">% </td> </tr> <tr style="FONT-SIZE: 1px"> <td valign="bottom"></td> <td valign="bottom">  </td> <td style="BORDER-TOP: #000000 3px double" valign="bottom">  </td> <td style="BORDER-TOP: #000000 3px double" valign="bottom">  </td> <td> </td> <td valign="bottom">  </td> <td style="BORDER-TOP: #000000 3px double" valign="bottom">  </td> <td style="BORDER-TOP: #000000 3px double" valign="bottom">  </td> <td> </td> </tr> </table> </div> The table below summarizes the maturity ranges of the ARS portfolio, based on relative par value, as of September 30, false false false us-types:textBlockItemType textblock Maturities of Auction Rate Securities Disclosures. No authoritative reference available. false 1 5 false UnKnown UnKnown UnKnown false true