2.2.0.25falsefalse3190 - Disclosure - Operating leases (Tables)truefalsefalse1falsefalseUSDfalsefalse1/1/2010 - 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.falsefalse3false0cat_ScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesTableTextBlockcatfalsenadurationFor operating leases having initial or remaining noncancelable lease terms in excess of one year, the lessee shall disclose...falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1falsefalsefalse00<table style="font-size:10pt; font-family:'Times New Roman',times,serif;"> <tr> <td> <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> &nbsp; Years endedfalsefalsefalsefalsefalseOtherus-types:textBlockItemTypestringFor operating leases having initial or remaining noncancelable lease terms in excess of one year, the lessee shall disclose both: future minimum payments required as of the date of the latest balance sheet presented, in the aggregate and for each of the five succeeding fiscal years and the total minimum rentals to be received in the future under noncancelable subleases as of the date of the latest balance sheet presented.No authoritative reference available.falsefalse12Operating leases (Tables)UnKnownUnKnownUnKnownUnKnownfalsetrue