2.2.0.25falsefalse1190 - Disclosure - Operating leasestruefalsefalse1falsefalseUSDfalsefalse1/1/2010 - 12/31/2010 USD ($) USD ($) / shares $D2010http://www.sec.gov/CIK0000018230duration2010-01-01T00:00:002010-12-31T00:00:00USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170PureStandardhttp://www.xbrl.org/2003/instancepurexbrli0USDPerShareDividehttp://www.xbrl.org/2003/iso4217USDiso4217http://www.xbrl.org/2003/instancesharesxbrli0SharesStandardhttp://www.xbrl.org/2003/instancesharesxbrli0USDUSD$2true0cat_OperatingLeasesDisclosureAbstractcatfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsefalsefalseOtherxbrli:stringItemTypestringNo definition available.falsefalse3false0us-gaap_OperatingLeasesOfLesseeDisclosureTextBlockus-gaaptruenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1falsefalsefalse00<table style="font-size:10pt; font-family:'Times New Roman',times,serif;"> <tr> <td> <p style="MARGIN: 0in 0in 0pt"><b><font style="FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman" size="2">19.&nbsp; Operating leases</font></b></p> <p style="MARGIN: 0in 0in 0pt"><font style="FONT-SIZE: 9pt; FONT-FAMILY: Times New Roman" size="1">&nbsp;</font></p> <p style="MARGIN: 0in 0in 0pt 0.25in"><font style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman" size="2">We lease certain computer and communications equipment, transportation equipment and other property through operating leases. Total rental expense for operating leases was $359 million, $381 million, and $402 million for 2010, 2009 and 2008, respectively.</font></p> <p style="MARGIN: 0in 0in 0pt 0.25in"><font style="FONT-SIZE: 9pt; FONT-FAMILY: Times New Roman" size="1">&nbsp;</font></p> <p style="MARGIN: 0in 0in 0pt 0.25in"><font style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman" size="2">Minimum payments for operating leases having initial or remaining non-cancelable terms in excess of one year are:</font></p> <p style="MARGIN: 0in 0in 0pt; TEXT-ALIGN: center" align="center"><font style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman" size="2">&nbsp;</font></p> <p style="MARGIN: 0in 0in 0pt; TEXT-ALIGN: center" align="center"><font style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman" size="2">Years ended December&nbsp;31,</font></p> <p style="MARGIN: 0in 0in 0pt; TEXT-ALIGN: center" align="center"><font style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman" size="2">(Millions&nbsp;of&nbsp;dollars)</font></p> <p style="MARGIN: 0in 0in 0pt; TEXT-ALIGN: center" align="center"><font style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman" size="2">&nbsp;</font></p> <table style="MARGIN-LEFT: 0.25in; WIDTH: 96.66%; BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="96%" border="0"> <tr style="HEIGHT: 0px"> <td style="BORDER-RIGHT: medium none; PADDING-RIGHT: 0in; BORDER-TOP: medium none; PADDING-LEFT: 0in; PADDING-BOTTOM: 0in; BORDER-LEFT: medium none; WIDTH: 11.5%; PADDING-TOP: 0in; BORDER-BOTTOM: windowtext 1pt solid" valign="bottom" width="11%" colspan="2"> <p style="MARGIN: 0in 0in 0pt; TEXT-ALIGN: center" align="center"><b><font style="FONT-WEIGHT: bold; FONT-SIZE: 8pt; FONT-FAMILY: Times New Roman" size="1">2011</font></b></p></td> <td style="PADDING-RIGHT: 0in; PADDING-LEFT: 0in; PADDING-BOTTOM: 0in; WIDTH: 2.28%; PADDING-TOP: 0in" valign="bottom" width="2%"> <p style="MARGIN: 0in 0in 0pt; TEXT-ALIGN: center" align="center">&nbsp;</p></td> <td style="BORDER-RIGHT: medium none; PADDING-RIGHT: 0in; BORDER-TOP: medium none; PADDING-LEFT: 0in; PADDING-BOTTOM: 0in; BORDER-LEFT: medium none; WIDTH: 12.56%; PADDING-TOP: 0in; BORDER-BOTTOM: windowtext 1pt solid" valign="bottom" width="12%" colspan="2"> <p style="MARGIN: 0in 0in 0pt; TEXT-ALIGN: center" align="center"><b><font style="FONT-WEIGHT: bold; FONT-SIZE: 8pt; FONT-FAMILY: Times New Roman" size="1">2012</font></b></p></td> <td style="PADDING-RIGHT: 0in; PADDING-LEFT: 0in; PADDING-BOTTOM: 0in; WIDTH: 2.06%; PADDING-TOP: 0in" valign="bottom" width="2%"> <p style="MARGIN: 0in 0in 0pt; TEXT-ALIGN: center" align="center">&nbsp;</p></td> <td style="BORDER-RIGHT: medium none; PADDING-RIGHT: 0in; BORDER-TOP: medium none; PADDING-LEFT: 0in; PADDING-BOTTOM: 0in; BORDER-LEFT: medium none; WIDTH: 12.48%; PADDING-TOP: 0in; BORDER-BOTTOM: windowtext 1pt solid" valign="bottom" width="12%" colspan="2"> <p style="MARGIN: 0in 0in 0pt; TEXT-ALIGN: center" align="center"><b><font style="FONT-WEIGHT: bold; FONT-SIZE: 8pt; FONT-FAMILY: Times New Roman" size="1">2013</font></b></p></td> <td style="PADDING-RIGHT: 0in; PADDING-LEFT: 0in; PADDING-BOTTOM: 0in; WIDTH: 2.12%; PADDING-TOP: 0in" valign="bottom" width="2%"> <p style="MARGIN: 0in 0in 0pt; TEXT-ALIGN: center" align="center">&nbsp;</p></td> <td style="BORDER-RIGHT: medium none; PADDING-RIGHT: 0in; BORDER-TOP: medium none; PADDING-LEFT: 0in; PADDING-BOTTOM: 0in; BORDER-LEFT: medium none; WIDTH: 12.3%; PADDING-TOP: 0in; BORDER-BOTTOM: windowtext 1pt solid" valign="bottom" width="12%" colspan="2"> <p style="MARGIN: 0in 0in 0pt; TEXT-ALIGN: center" align="center"><b><font style="FONT-WEIGHT: bold; FONT-SIZE: 8pt; FONT-FAMILY: Times New Roman" size="1">2014</font></b></p></td> <td style="PADDING-RIGHT: 0in; PADDING-LEFT: 0in; PADDING-BOTTOM: 0in; WIDTH: 2.12%; PADDING-TOP: 0in" valign="bottom" width="2%"> <p style="MARGIN: 0in 0in 0pt; TEXT-ALIGN: center" align="center">&nbsp;</p></td> <td style="BORDER-RIGHT: medium none; PADDING-RIGHT: 0in; BORDER-TOP: medium none; PADDING-LEFT: 0in; PADDING-BOTTOM: 0in; BORDER-LEFT: medium none; WIDTH: 12.52%; PADDING-TOP: 0in; BORDER-BOTTOM: windowtext 1pt solid" valign="bottom" width="12%" colspan="2"> <p style="MARGIN: 0in 0in 0pt; TEXT-ALIGN: center" align="center"><b><font style="FONT-WEIGHT: bold; FONT-SIZE: 8pt; FONT-FAMILY: Times New Roman" size="1">2015</font></b></p></td> <td style="PADDING-RIGHT: 0in; PADDING-LEFT: 0in; PADDING-BOTTOM: 0in; WIDTH: 2.1%; PADDING-TOP: 0in" valign="bottom" width="2%"> <p style="MARGIN: 0in 0in 0pt; TEXT-ALIGN: center" align="center">&nbsp;</p></td> <td style="BORDER-RIGHT: medium none; PADDING-RIGHT: 0in; BORDER-TOP: medium none; PADDING-LEFT: 0in; PADDING-BOTTOM: 0in; BORDER-LEFT: medium none; WIDTH: 12.58%; PADDING-TOP: 0in; BORDER-BOTTOM: windowtext 1pt solid" valign="bottom" width="12%" colspan="2"> <p style="MARGIN: 0in 0in 0pt; TEXT-ALIGN: center" align="center"><b><font style="FONT-WEIGHT: bold; FONT-SIZE: 8pt; FONT-FAMILY: Times New Roman" size="1">Thereafter</font></b></p></td> <td style="PADDING-RIGHT: 0in; PADDING-LEFT: 0in; PADDING-BOTTOM: 0in; WIDTH: 2.1%; PADDING-TOP: 0in" valign="bottom" width="2%"> <p style="MARGIN: 0in 0in 0pt; TEXT-ALIGN: center" align="center">&nbsp;</p></td> <td style="BORDER-RIGHT: medium none; PADDING-RIGHT: 0in; BORDER-TOP: medium none; PADDING-LEFT: 0in; PADDING-BOTTOM: 0in; BORDER-LEFT: medium none; WIDTH: 12.66%; PADDING-TOP: 0in; BORDER-BOTTOM: windowtext 1pt solid" valign="bottom" width="12%" colspan="2"> <p style="MARGIN: 0in 0in 0pt; TEXT-ALIGN: center" align="center"><b><font style="FONT-WEIGHT: bold; FONT-SIZE: 8pt; FONT-FAMILY: Times New Roman" size="1">Total</font></b></p></td> <td style="PADDING-RIGHT: 0in; PADDING-LEFT: 0in; PADDING-BOTTOM: 0in; WIDTH: 0.62%; PADDING-TOP: 0in" valign="bottom" width="0%"> <p style="MARGIN: 0in 0in 0pt; TEXT-ALIGN: center" align="center">&nbsp;</p></td></tr> <tr style="HEIGHT: 0px"> <td style="BORDER-RIGHT: medium none; PADDING-RIGHT: 0in; BORDER-TOP: medium none; PADDING-LEFT: 0in; BACKGROUND: #cceeff; PADDING-BOTTOM: 0in; BORDER-LEFT: medium none; WIDTH: 1.3%; PADDING-TOP: 0in; BORDER-BOTTOM: medium none" valign="bottom" width="1%" bgcolor="#CCEEFF"> <p style="MARGIN: 0in 0in 0pt"><font style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman" size="2">$</font></p></td> <td style="BORDER-RIGHT: medium none; PADDING-RIGHT: 0in; BORDER-TOP: medium none; PADDING-LEFT: 0in; BACKGROUND: #cceeff; PADDING-BOTTOM: 0in; BORDER-LEFT: medium none; WIDTH: 10.2%; PADDING-TOP: 0in; BORDER-BOTTOM: medium none" valign="bottom" width="10%" bgcolor="#CCEEFF"> <p style="MARGIN: 0in 0in 0pt; TEXT-ALIGN: right" align="right"><font style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman" size="2">284</font></p></td> <td style="PADDING-RIGHT: 0in; PADDING-LEFT: 0in; BACKGROUND: #cceeff; PADDING-BOTTOM: 0in; WIDTH: 2.28%; PADDING-TOP: 0in" valign="bottom" width="2%" bgcolor="#CCEEFF"> <p style="MARGIN: 0in 0in 0pt; TEXT-ALIGN: center" align="center">&nbsp;</p></td> <td style="BORDER-RIGHT: medium none; PADDING-RIGHT: 0in; BORDER-TOP: medium none; PADDING-LEFT: 0in; BACKGROUND: #cceeff; PADDING-BOTTOM: 0in; BORDER-LEFT: medium none; WIDTH: 1.3%; PADDING-TOP: 0in; BORDER-BOTTOM: medium none" valign="bottom" width="1%" bgcolor="#CCEEFF"> <p style="MARGIN: 0in 0in 0pt"><font style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman" size="2">$</font></p></td> <td style="BORDER-RIGHT: medium none; PADDING-RIGHT: 0in; BORDER-TOP: windowtext 1pt solid; PADDING-LEFT: 0in; BACKGROUND: #cceeff; PADDING-BOTTOM: 0in; BORDER-LEFT: medium none; WIDTH: 11.26%; PADDING-TOP: 0in; BORDER-BOTTOM: medium none" valign="bottom" width="11%" bgcolor="#CCEEFF"> <p style="MARGIN: 0in 0in 0pt; TEXT-ALIGN: right" align="right"><font style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman" size="2">228</font></p></td> <td style="PADDING-RIGHT: 0in; PADDING-LEFT: 0in; BACKGROUND: #cceeff; PADDING-BOTTOM: 0in; WIDTH: 2.06%; PADDING-TOP: 0in" valign="bottom" width="2%" bgcolor="#CCEEFF"> <p style="MARGIN: 0in 0in 0pt; TEXT-ALIGN: center" align="center">&nbsp;</p></td> <td style="BORDER-RIGHT: medium none; PADDING-RIGHT: 0in; BORDER-TOP: medium none; PADDING-LEFT: 0in; BACKGROUND: #cceeff; PADDING-BOTTOM: 0in; BORDER-LEFT: medium none; WIDTH: 1.3%; PADDING-TOP: 0in; BORDER-BOTTOM: medium none" valign="bottom" width="1%" bgcolor="#CCEEFF"> <p style="MARGIN: 0in 0in 0pt"><font style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman" size="2">$</font></p></td> <td style="BORDER-RIGHT: medium none; PADDING-RIGHT: 0in; BORDER-TOP: windowtext 1pt solid; PADDING-LEFT: 0in; BACKGROUND: #cceeff; PADDING-BOTTOM: 0in; BORDER-LEFT: medium none; WIDTH: 11.18%; PADDING-TOP: 0in; BORDER-BOTTOM: medium none" valign="bottom" width="11%" bgcolor="#CCEEFF"> <p style="MARGIN: 0in 0in 0pt; TEXT-ALIGN: right" align="right"><font style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman" size="2">177</font></p></td> <td style="PADDING-RIGHT: 0in; PADDING-LEFT: 0in; BACKGROUND: #cceeff; PADDING-BOTTOM: 0in; WIDTH: 2.12%; PADDING-TOP: 0in" valign="bottom" width="2%" bgcolor="#CCEEFF"> <p style="MARGIN: 0in 0in 0pt; TEXT-ALIGN: center" align="center">&nbsp;</p></td> <td style="BORDER-RIGHT: medium none; PADDING-RIGHT: 0in; BORDER-TOP: medium none; PADDING-LEFT: 0in; BACKGROUND: #cceeff; PADDING-BOTTOM: 0in; BORDER-LEFT: medium none; WIDTH: 1.3%; PADDING-TOP: 0in; BORDER-BOTTOM: medium none" valign="bottom" width="1%" bgcolor="#CCEEFF"> <p style="MARGIN: 0in 0in 0pt"><font style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman" size="2">$</font></p></td> <td style="BORDER-RIGHT: medium none; PADDING-RIGHT: 0in; BORDER-TOP: windowtext 1pt solid; PADDING-LEFT: 0in; BACKGROUND: #cceeff; PADDING-BOTTOM: 0in; BORDER-LEFT: medium none; WIDTH: 11%; PADDING-TOP: 0in; BORDER-BOTTOM: medium none" valign="bottom" width="11%" bgcolor="#CCEEFF"> <p style="MARGIN: 0in 0in 0pt; TEXT-ALIGN: right" align="right"><font style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman" size="2">156</font></p></td> <td style="PADDING-RIGHT: 0in; PADDING-LEFT: 0in; BACKGROUND: #cceeff; PADDING-BOTTOM: 0in; WIDTH: 2.12%; PADDING-TOP: 0in" valign="bottom" width="2%" bgcolor="#CCEEFF"> <p style="MARGIN: 0in 0in 0pt; TEXT-ALIGN: center" align="center">&nbsp;</p></td> <td style="BORDER-RIGHT: medium none; PADDING-RIGHT: 0in; BORDER-TOP: medium none; PADDING-LEFT: 0in; BACKGROUND: #cceeff; PADDING-BOTTOM: 0in; BORDER-LEFT: medium none; WIDTH: 1.3%; PADDING-TOP: 0in; BORDER-BOTTOM: medium none" valign="bottom" width="1%" bgcolor="#CCEEFF"> <p style="MARGIN: 0in 0in 0pt"><font style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman" size="2">$</font></p></td> <td style="BORDER-RIGHT: medium none; PADDING-RIGHT: 0in; BORDER-TOP: windowtext 1pt solid; PADDING-LEFT: 0in; BACKGROUND: #cceeff; PADDING-BOTTOM: 0in; BORDER-LEFT: medium none; WIDTH: 11.22%; PADDING-TOP: 0in; BORDER-BOTTOM: medium none" valign="bottom" width="11%" bgcolor="#CCEEFF"> <p style="MARGIN: 0in 0in 0pt; TEXT-ALIGN: right" align="right"><font style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman" size="2">124</font></p></td> <td style="PADDING-RIGHT: 0in; PADDING-LEFT: 0in; BACKGROUND: #cceeff; PADDING-BOTTOM: 0in; WIDTH: 2.1%; PADDING-TOP: 0in" valign="bottom" width="2%" bgcolor="#CCEEFF"> <p style="MARGIN: 0in 0in 0pt; TEXT-ALIGN: center" align="center">&nbsp;</p></td> <td style="BORDER-RIGHT: medium none; PADDING-RIGHT: 0in; BORDER-TOP: medium none; PADDING-LEFT: 0in; BACKGROUND: #cceeff; PADDING-BOTTOM: 0in; BORDER-LEFT: medium none; WIDTH: 1.3%; PADDING-TOP: 0in; BORDER-BOTTOM: medium none" valign="bottom" width="1%" bgcolor="#CCEEFF"> <p style="MARGIN: 0in 0in 0pt"><font style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman" size="2">$</font></p></td> <td style="BORDER-RIGHT: medium none; PADDING-RIGHT: 0in; BORDER-TOP: windowtext 1pt solid; PADDING-LEFT: 0in; BACKGROUND: #cceeff; PADDING-BOTTOM: 0in; BORDER-LEFT: medium none; WIDTH: 11.28%; PADDING-TOP: 0in; BORDER-BOTTOM: medium none" valign="bottom" width="11%" bgcolor="#CCEEFF"> <p style="MARGIN: 0in 0in 0pt; TEXT-ALIGN: right" align="right"><font style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman" size="2">379</font></p></td> <td style="PADDING-RIGHT: 0in; PADDING-LEFT: 0in; BACKGROUND: #cceeff; PADDING-BOTTOM: 0in; WIDTH: 2.1%; PADDING-TOP: 0in" valign="bottom" width="2%" bgcolor="#CCEEFF"> <p style="MARGIN: 0in 0in 0pt; TEXT-ALIGN: center" align="center">&nbsp;</p></td> <td style="BORDER-RIGHT: medium none; PADDING-RIGHT: 0in; BORDER-TOP: medium none; PADDING-LEFT: 0in; BACKGROUND: #cceeff; PADDING-BOTTOM: 0in; BORDER-LEFT: medium none; WIDTH: 1.3%; PADDING-TOP: 0in; BORDER-BOTTOM: medium none" valign="bottom" width="1%" bgcolor="#CCEEFF"> <p style="MARGIN: 0in 0in 0pt"><font style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman" size="2">$</font></p></td> <td style="BORDER-RIGHT: medium none; PADDING-RIGHT: 0in; BORDER-TOP: windowtext 1pt solid; PADDING-LEFT: 0in; BACKGROUND: #cceeff; PADDING-BOTTOM: 0in; BORDER-LEFT: medium none; WIDTH: 11.36%; PADDING-TOP: 0in; BORDER-BOTTOM: medium none" valign="bottom" width="11%" bgcolor="#CCEEFF"> <p style="MARGIN: 0in 0in 0pt; TEXT-ALIGN: right" align="right"><font style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman" size="2">1,348</font></p></td> <td style="PADDING-RIGHT: 0in; PADDING-LEFT: 0in; BACKGROUND: #cceeff; PADDING-BOTTOM: 0in; WIDTH: 0.62%; PADDING-TOP: 0in" valign="bottom" width="0%" bgcolor="#CCEEFF"> <p style="MARGIN: 0in 0in 0pt; TEXT-ALIGN: center" align="center">&nbsp;</p></td></tr> <tr style="HEIGHT: 0px"> <td style="BORDER-RIGHT: medium none; BORDER-TOP: medium none; BORDER-LEFT: medium none; BORDER-BOTTOM: medium none" width="9"></td> <td style="BORDER-RIGHT: medium none; BORDER-TOP: medium none; BORDER-LEFT: medium none; BORDER-BOTTOM: medium none" width="74"></td> <td style="BORDER-RIGHT: medium none; BORDER-TOP: medium none; BORDER-LEFT: medium none; BORDER-BOTTOM: medium none" width="16"></td> <td style="BORDER-RIGHT: medium none; BORDER-TOP: medium none; BORDER-LEFT: medium none; BORDER-BOTTOM: medium none" width="9"></td> <td style="BORDER-RIGHT: medium none; BORDER-TOP: medium none; BORDER-LEFT: medium none; BORDER-BOTTOM: medium none" width="81"></td> <td style="BORDER-RIGHT: medium none; BORDER-TOP: medium none; BORDER-LEFT: medium none; BORDER-BOTTOM: medium none" width="15"></td> <td style="BORDER-RIGHT: medium none; BORDER-TOP: medium none; BORDER-LEFT: medium none; BORDER-BOTTOM: medium none" width="9"></td> <td style="BORDER-RIGHT: medium none; BORDER-TOP: medium none; BORDER-LEFT: medium none; BORDER-BOTTOM: medium none" width="81"></td> <td style="BORDER-RIGHT: medium none; BORDER-TOP: medium none; BORDER-LEFT: medium none; BORDER-BOTTOM: medium none" width="15"></td> <td style="BORDER-RIGHT: medium none; BORDER-TOP: medium none; BORDER-LEFT: medium none; BORDER-BOTTOM: medium none" width="9"></td> <td style="BORDER-RIGHT: medium none; BORDER-TOP: medium none; BORDER-LEFT: medium none; BORDER-BOTTOM: medium none" width="80"></td> <td style="BORDER-RIGHT: medium none; BORDER-TOP: medium none; BORDER-LEFT: medium none; BORDER-BOTTOM: medium none" width="15"></td> <td style="BORDER-RIGHT: medium none; BORDER-TOP: medium none; BORDER-LEFT: medium none; BORDER-BOTTOM: medium none" width="9"></td> <td style="BORDER-RIGHT: medium none; BORDER-TOP: medium none; BORDER-LEFT: medium none; BORDER-BOTTOM: medium none" width="81"></td> <td style="BORDER-RIGHT: medium none; BORDER-TOP: medium none; BORDER-LEFT: medium none; BORDER-BOTTOM: medium none" width="15"></td> <td style="BORDER-RIGHT: medium none; BORDER-TOP: medium none; BORDER-LEFT: medium none; BORDER-BOTTOM: medium none" width="9"></td> <td style="BORDER-RIGHT: medium none; BORDER-TOP: medium none; BORDER-LEFT: medium none; BORDER-BOTTOM: medium none" width="82"></td> <td style="BORDER-RIGHT: medium none; BORDER-TOP: medium none; BORDER-LEFT: medium none; BORDER-BOTTOM: medium none" width="15"></td> <td style="BORDER-RIGHT: medium none; BORDER-TOP: medium none; BORDER-LEFT: medium none; BORDER-BOTTOM: medium none" width="9"></td> <td style="BORDER-RIGHT: medium none; BORDER-TOP: medium none; BORDER-LEFT: medium none; BORDER-BOTTOM: medium none" width="82"></td> <td style="BORDER-RIGHT: medium none; BORDER-TOP: medium none; BORDER-LEFT: medium none; BORDER-BOTTOM: medium none" width="4"></td></tr></table> <p style="MARGIN: 0in 0in 0pt"><font style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman" size="2">&nbsp;</font></p></td></tr></table> 19.&nbsp; Operating leases &nbsp; We lease certain computer and communications equipment, transportation equipment and other property through operating leases.falsefalsefalsefalsefalseOtherus-types:textBlockItemTypestringGeneral description of lessee's leasing arrangements including: (1) The basis on which contingent rental payments are determined, (2) The existence and terms of renewal or purchase options and escalation clauses, (3) Restrictions imposed by lease arrangements, such as those concerning dividends, additional debt, and further leasing, (4) Rent holidays, rent concessions, or leasehold improvement incentives and unusual provisions or conditions. Disclosure may also include the specific period used to amortize material leasehold improvements made at the inception of the lease or during the lease term. Additionally, for operating leases having initial or remaining noncancelable lease terms in excess of one year: (a) future minimum rental payments required as of the date of the latest balance sheet presented, in the aggregate and for each of the five succeeding fiscal years, (b) the total of minimum rentals to be received in the future under noncancelable subleases as of the date of the latest balance sheet presented, and (c) for all operating leases, rental expense for each period for which an income statement is presented, with separate amounts for minimum rentals, contingent rentals, and sublease rentals. Rental payments under leases with terms of a month or less that were not renewed need not be included.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 13 -Paragraph 16 -Subparagraph b, c, d falsefalse12Operating leasesUnKnownUnKnownUnKnownUnKnownfalsetrue