2.2.0.25truefalse4220 - Disclosure - Segment information (Details)truefalseIn Millions, unless otherwise specifiedfalse1falsefalseUSDfalsefalse1/1/2009 - 12/31/2009
USD ($)
USD ($) / shares
$D2009http://www.sec.gov/CIK0000018230duration2009-01-01T00:00:002009-12-31T00:00:00USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDPerShareDividehttp://www.xbrl.org/2003/iso4217USDiso4217http://www.xbrl.org/2003/instancesharesxbrli0PureStandardhttp://www.xbrl.org/2003/instancepurexbrli0SharesStandardhttp://www.xbrl.org/2003/instancesharesxbrli0USDUSD$2falsefalseUSDfalsefalse1/1/2008 - 12/31/2008
USD ($)
USD ($) / shares
$D2008http://www.sec.gov/CIK0000018230duration2008-01-01T00:00:002008-12-31T00:00:00USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170PureStandardhttp://www.xbrl.org/2003/instancepurexbrli0SharesStandardhttp://www.xbrl.org/2003/instancesharesxbrli0USDPerShareDividehttp://www.xbrl.org/2003/iso4217USDiso4217http://www.xbrl.org/2003/instancesharesxbrli0USDUSD$3falsefalseUSDtruefalse{us-gaap_SegmentReportingInformationBySegmentAxis} : Machinery and Engines
{us-gaap_SegmentReportingRevenueReconcilingItemAxis} : Reportable segments
1/1/2010 - 12/31/2010
USD ($)
$D2010_MachineryEnginesMember_ReportableSegmentsMemberhttp://www.sec.gov/CIK0000018230duration2010-01-01T00:00:002010-12-31T00:00:00falsefalseMachinery and Enginesus-gaap_SegmentReportingInformationBySegmentAxisxbrldihttp://xbrl.org/2006/xbrldicat_MachineryEnginesMemberus-gaap_SegmentReportingInformationBySegmentAxisexplicitMemberfalsefalseReportable segmentsus-gaap_SegmentReportingRevenueReconcilingItemAxisxbrldihttp://xbrl.org/2006/xbrldicat_ReportableSegmentsMemberus-gaap_SegmentReportingRevenueReconcilingItemAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$4falsefalseUSDtruefalse{us-gaap_SegmentReportingInformationBySegmentAxis} : Machinery and Engines
{us-gaap_SegmentReportingRevenueReconcilingItemAxis} : Reportable segments
1/1/2009 - 12/31/2009
USD ($)
$D2009_MachineryEnginesMember_ReportableSegmentsMemberhttp://www.sec.gov/CIK0000018230duration2009-01-01T00:00:002009-12-31T00:00:00falsefalseMachinery and Enginesus-gaap_SegmentReportingInformationBySegmentAxisxbrldihttp://xbrl.org/2006/xbrldicat_MachineryEnginesMemberus-gaap_SegmentReportingInformationBySegmentAxisexplicitMemberfalsefalseReportable segmentsus-gaap_SegmentReportingRevenueReconcilingItemAxisxbrldihttp://xbrl.org/2006/xbrldicat_ReportableSegmentsMemberus-gaap_SegmentReportingRevenueReconcilingItemAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$5falsefalseUSDtruefalse{us-gaap_SegmentReportingInformationBySegmentAxis} : Machinery and Engines
{us-gaap_SegmentReportingRevenueReconcilingItemAxis} : Reportable segments
1/1/2008 - 12/31/2008
USD ($)
$D2008_MachineryEnginesMember_ReportableSegmentsMemberhttp://www.sec.gov/CIK0000018230duration2008-01-01T00:00:002008-12-31T00:00:00falsefalseMachinery and Enginesus-gaap_SegmentReportingInformationBySegmentAxisxbrldihttp://xbrl.org/2006/xbrldicat_MachineryEnginesMemberus-gaap_SegmentReportingInformationBySegmentAxisexplicitMemberfalsefalseReportable segmentsus-gaap_SegmentReportingRevenueReconcilingItemAxisxbrldihttp://xbrl.org/2006/xbrldicat_ReportableSegmentsMemberus-gaap_SegmentReportingRevenueReconcilingItemAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$6falsefalseUSDtruefalse{us-gaap_SegmentReportingInformationBySegmentAxis} : Building Construction Products
{us-gaap_SegmentReportingRevenueReconcilingItemAxis} : Reportable segments
1/1/2010 - 12/31/2010
USD ($)
$D2010_BuildingConstructionProductsMember_ReportableSegmentsMemberhttp://www.sec.gov/CIK0000018230duration2010-01-01T00:00:002010-12-31T00:00:00falsefalseBuilding Construction Productsus-gaap_SegmentReportingInformationBySegmentAxisxbrldihttp://xbrl.org/2006/xbrldicat_BuildingConstructionProductsMemberus-gaap_SegmentReportingInformationBySegmentAxisexplicitMemberfalsefalseReportable segmentsus-gaap_SegmentReportingRevenueReconcilingItemAxisxbrldihttp://xbrl.org/2006/xbrldicat_ReportableSegmentsMemberus-gaap_SegmentReportingRevenueReconcilingItemAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$7falsefalseUSDtruefalse{us-gaap_SegmentReportingInformationBySegmentAxis} : Building Construction Products
{us-gaap_SegmentReportingRevenueReconcilingItemAxis} : Reportable segments
1/1/2009 - 12/31/2009
USD ($)
$D2009_BuildingConstructionProductsMember_ReportableSegmentsMemberhttp://www.sec.gov/CIK0000018230duration2009-01-01T00:00:002009-12-31T00:00:00falsefalseBuilding Construction Productsus-gaap_SegmentReportingInformationBySegmentAxisxbrldihttp://xbrl.org/2006/xbrldicat_BuildingConstructionProductsMemberus-gaap_SegmentReportingInformationBySegmentAxisexplicitMemberfalsefalseReportable segmentsus-gaap_SegmentReportingRevenueReconcilingItemAxisxbrldihttp://xbrl.org/2006/xbrldicat_ReportableSegmentsMemberus-gaap_SegmentReportingRevenueReconcilingItemAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$8falsefalseUSDtruefalse{us-gaap_SegmentReportingInformationBySegmentAxis} : Building Construction Products
{us-gaap_SegmentReportingRevenueReconcilingItemAxis} : Reportable segments
1/1/2008 - 12/31/2008
USD ($)
$D2008_BuildingConstructionProductsMember_ReportableSegmentsMemberhttp://www.sec.gov/CIK0000018230duration2008-01-01T00:00:002008-12-31T00:00:00falsefalseBuilding Construction Productsus-gaap_SegmentReportingInformationBySegmentAxisxbrldihttp://xbrl.org/2006/xbrldicat_BuildingConstructionProductsMemberus-gaap_SegmentReportingInformationBySegmentAxisexplicitMemberfalsefalseReportable segmentsus-gaap_SegmentReportingRevenueReconcilingItemAxisxbrldihttp://xbrl.org/2006/xbrldicat_ReportableSegmentsMemberus-gaap_SegmentReportingRevenueReconcilingItemAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$9falsefalseUSDtruefalse{us-gaap_SegmentReportingInformationBySegmentAxis} : Cat Japan
{us-gaap_SegmentReportingRevenueReconcilingItemAxis} : Reportable segments
1/1/2010 - 12/31/2010
USD ($)
$D2010_CatJapanMember_ReportableSegmentsMemberhttp://www.sec.gov/CIK0000018230duration2010-01-01T00:00:002010-12-31T00:00:00falsefalseCat Japanus-gaap_SegmentReportingInformationBySegmentAxisxbrldihttp://xbrl.org/2006/xbrldicat_CatJapanMemberus-gaap_SegmentReportingInformationBySegmentAxisexplicitMemberfalsefalseReportable segmentsus-gaap_SegmentReportingRevenueReconcilingItemAxisxbrldihttp://xbrl.org/2006/xbrldicat_ReportableSegmentsMemberus-gaap_SegmentReportingRevenueReconcilingItemAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$10falsefalseUSDtruefalse{us-gaap_SegmentReportingInformationBySegmentAxis} : Cat Japan
{us-gaap_SegmentReportingRevenueReconcilingItemAxis} : Reportable segments
1/1/2009 - 12/31/2009
USD ($)
$D2009_CatJapanMember_ReportableSegmentsMemberhttp://www.sec.gov/CIK0000018230duration2009-01-01T00:00:002009-12-31T00:00:00falsefalseCat Japanus-gaap_SegmentReportingInformationBySegmentAxisxbrldihttp://xbrl.org/2006/xbrldicat_CatJapanMemberus-gaap_SegmentReportingInformationBySegmentAxisexplicitMemberfalsefalseReportable segmentsus-gaap_SegmentReportingRevenueReconcilingItemAxisxbrldihttp://xbrl.org/2006/xbrldicat_ReportableSegmentsMemberus-gaap_SegmentReportingRevenueReconcilingItemAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$11falsefalseUSDtruefalse{us-gaap_SegmentReportingInformationBySegmentAxis} : Cat Japan
{us-gaap_SegmentReportingRevenueReconcilingItemAxis} : Reportable segments
1/1/2008 - 12/31/2008
USD ($)
$D2008_CatJapanMember_ReportableSegmentsMemberhttp://www.sec.gov/CIK0000018230duration2008-01-01T00:00:002008-12-31T00:00:00falsefalseCat Japanus-gaap_SegmentReportingInformationBySegmentAxisxbrldihttp://xbrl.org/2006/xbrldicat_CatJapanMemberus-gaap_SegmentReportingInformationBySegmentAxisexplicitMemberfalsefalseReportable segmentsus-gaap_SegmentReportingRevenueReconcilingItemAxisxbrldihttp://xbrl.org/2006/xbrldicat_ReportableSegmentsMemberus-gaap_SegmentReportingRevenueReconcilingItemAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$12falsefalseUSDtruefalse{us-gaap_SegmentReportingInformationBySegmentAxis} : Core Components
{us-gaap_SegmentReportingRevenueReconcilingItemAxis} : Reportable segments
1/1/2010 - 12/31/2010
USD ($)
$D2010_CoreComponentsMember_ReportableSegmentsMemberhttp://www.sec.gov/CIK0000018230duration2010-01-01T00:00:002010-12-31T00:00:00falsefalseCore Componentsus-gaap_SegmentReportingInformationBySegmentAxisxbrldihttp://xbrl.org/2006/xbrldicat_CoreComponentsMemberus-gaap_SegmentReportingInformationBySegmentAxisexplicitMemberfalsefalseReportable segmentsus-gaap_SegmentReportingRevenueReconcilingItemAxisxbrldihttp://xbrl.org/2006/xbrldicat_ReportableSegmentsMemberus-gaap_SegmentReportingRevenueReconcilingItemAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$13falsefalseUSDtruefalse{us-gaap_SegmentReportingInformationBySegmentAxis} : Core Components
{us-gaap_SegmentReportingRevenueReconcilingItemAxis} : Reportable segments
1/1/2009 - 12/31/2009
USD ($)
$D2009_CoreComponentsMember_ReportableSegmentsMemberhttp://www.sec.gov/CIK0000018230duration2009-01-01T00:00:002009-12-31T00:00:00falsefalseCore Componentsus-gaap_SegmentReportingInformationBySegmentAxisxbrldihttp://xbrl.org/2006/xbrldicat_CoreComponentsMemberus-gaap_SegmentReportingInformationBySegmentAxisexplicitMemberfalsefalseReportable segmentsus-gaap_SegmentReportingRevenueReconcilingItemAxisxbrldihttp://xbrl.org/2006/xbrldicat_ReportableSegmentsMemberus-gaap_SegmentReportingRevenueReconcilingItemAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$14falsefalseUSDtruefalse{us-gaap_SegmentReportingInformationBySegmentAxis} : Core Components
{us-gaap_SegmentReportingRevenueReconcilingItemAxis} : Reportable segments
1/1/2008 - 12/31/2008
USD ($)
$D2008_CoreComponentsMember_ReportableSegmentsMemberhttp://www.sec.gov/CIK0000018230duration2008-01-01T00:00:002008-12-31T00:00:00falsefalseCore Componentsus-gaap_SegmentReportingInformationBySegmentAxisxbrldihttp://xbrl.org/2006/xbrldicat_CoreComponentsMemberus-gaap_SegmentReportingInformationBySegmentAxisexplicitMemberfalsefalseReportable segmentsus-gaap_SegmentReportingRevenueReconcilingItemAxisxbrldihttp://xbrl.org/2006/xbrldicat_ReportableSegmentsMemberus-gaap_SegmentReportingRevenueReconcilingItemAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$15falsefalseUSDtruefalse{us-gaap_SegmentReportingInformationBySegmentAxis} : Earthmoving
{us-gaap_SegmentReportingRevenueReconcilingItemAxis} : Reportable segments
1/1/2010 - 12/31/2010
USD ($)
$D2010_EarthMovingMember_ReportableSegmentsMemberhttp://www.sec.gov/CIK0000018230duration2010-01-01T00:00:002010-12-31T00:00:00falsefalseEarthmovingus-gaap_SegmentReportingInformationBySegmentAxisxbrldihttp://xbrl.org/2006/xbrldicat_EarthMovingMemberus-gaap_SegmentReportingInformationBySegmentAxisexplicitMemberfalsefalseReportable segmentsus-gaap_SegmentReportingRevenueReconcilingItemAxisxbrldihttp://xbrl.org/2006/xbrldicat_ReportableSegmentsMemberus-gaap_SegmentReportingRevenueReconcilingItemAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$16falsefalseUSDtruefalse{us-gaap_SegmentReportingInformationBySegmentAxis} : Earthmoving
{us-gaap_SegmentReportingRevenueReconcilingItemAxis} : Reportable segments
1/1/2009 - 12/31/2009
USD ($)
$D2009_EarthMovingMember_ReportableSegmentsMemberhttp://www.sec.gov/CIK0000018230duration2009-01-01T00:00:002009-12-31T00:00:00falsefalseEarthmovingus-gaap_SegmentReportingInformationBySegmentAxisxbrldihttp://xbrl.org/2006/xbrldicat_EarthMovingMemberus-gaap_SegmentReportingInformationBySegmentAxisexplicitMemberfalsefalseReportable segmentsus-gaap_SegmentReportingRevenueReconcilingItemAxisxbrldihttp://xbrl.org/2006/xbrldicat_ReportableSegmentsMemberus-gaap_SegmentReportingRevenueReconcilingItemAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$17falsefalseUSDtruefalse{us-gaap_SegmentReportingInformationBySegmentAxis} : Earthmoving
{us-gaap_SegmentReportingRevenueReconcilingItemAxis} : Reportable segments
1/1/2008 - 12/31/2008
USD ($)
$D2008_EarthMovingMember_ReportableSegmentsMemberhttp://www.sec.gov/CIK0000018230duration2008-01-01T00:00:002008-12-31T00:00:00falsefalseEarthmovingus-gaap_SegmentReportingInformationBySegmentAxisxbrldihttp://xbrl.org/2006/xbrldicat_EarthMovingMemberus-gaap_SegmentReportingInformationBySegmentAxisexplicitMemberfalsefalseReportable segmentsus-gaap_SegmentReportingRevenueReconcilingItemAxisxbrldihttp://xbrl.org/2006/xbrldicat_ReportableSegmentsMemberus-gaap_SegmentReportingRevenueReconcilingItemAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$18falsefalseUSDtruefalse{us-gaap_SegmentReportingInformationBySegmentAxis} : Electric Power
{us-gaap_SegmentReportingRevenueReconcilingItemAxis} : Reportable segments
1/1/2010 - 12/31/2010
USD ($)
$D2010_ElectricPowerMember_ReportableSegmentsMemberhttp://www.sec.gov/CIK0000018230duration2010-01-01T00:00:002010-12-31T00:00:00falsefalseElectric Powerus-gaap_SegmentReportingInformationBySegmentAxisxbrldihttp://xbrl.org/2006/xbrldicat_ElectricPowerMemberus-gaap_SegmentReportingInformationBySegmentAxisexplicitMemberfalsefalseReportable segmentsus-gaap_SegmentReportingRevenueReconcilingItemAxisxbrldihttp://xbrl.org/2006/xbrldicat_ReportableSegmentsMemberus-gaap_SegmentReportingRevenueReconcilingItemAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$19falsefalseUSDtruefalse{us-gaap_SegmentReportingInformationBySegmentAxis} : Electric Power
{us-gaap_SegmentReportingRevenueReconcilingItemAxis} : Reportable segments
1/1/2009 - 12/31/2009
USD ($)
$D2009_ElectricPowerMember_ReportableSegmentsMemberhttp://www.sec.gov/CIK0000018230duration2009-01-01T00:00:002009-12-31T00:00:00falsefalseElectric Powerus-gaap_SegmentReportingInformationBySegmentAxisxbrldihttp://xbrl.org/2006/xbrldicat_ElectricPowerMemberus-gaap_SegmentReportingInformationBySegmentAxisexplicitMemberfalsefalseReportable segmentsus-gaap_SegmentReportingRevenueReconcilingItemAxisxbrldihttp://xbrl.org/2006/xbrldicat_ReportableSegmentsMemberus-gaap_SegmentReportingRevenueReconcilingItemAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$20falsefalseUSDtruefalse{us-gaap_SegmentReportingInformationBySegmentAxis} : Electric Power
{us-gaap_SegmentReportingRevenueReconcilingItemAxis} : Reportable segments
1/1/2008 - 12/31/2008
USD ($)
$D2008_ElectricPowerMember_ReportableSegmentsMemberhttp://www.sec.gov/CIK0000018230duration2008-01-01T00:00:002008-12-31T00:00:00falsefalseElectric Powerus-gaap_SegmentReportingInformationBySegmentAxisxbrldihttp://xbrl.org/2006/xbrldicat_ElectricPowerMemberus-gaap_SegmentReportingInformationBySegmentAxisexplicitMemberfalsefalseReportable segmentsus-gaap_SegmentReportingRevenueReconcilingItemAxisxbrldihttp://xbrl.org/2006/xbrldicat_ReportableSegmentsMemberus-gaap_SegmentReportingRevenueReconcilingItemAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$21falsefalseUSDtruefalse{us-gaap_SegmentReportingInformationBySegmentAxis} : Excavation
{us-gaap_SegmentReportingRevenueReconcilingItemAxis} : Reportable segments
1/1/2010 - 12/31/2010
USD ($)
$D2010_ExcavationMember_ReportableSegmentsMemberhttp://www.sec.gov/CIK0000018230duration2010-01-01T00:00:002010-12-31T00:00:00falsefalseExcavationus-gaap_SegmentReportingInformationBySegmentAxisxbrldihttp://xbrl.org/2006/xbrldicat_ExcavationMemberus-gaap_SegmentReportingInformationBySegmentAxisexplicitMemberfalsefalseReportable segmentsus-gaap_SegmentReportingRevenueReconcilingItemAxisxbrldihttp://xbrl.org/2006/xbrldicat_ReportableSegmentsMemberus-gaap_SegmentReportingRevenueReconcilingItemAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$22falsefalseUSDtruefalse{us-gaap_SegmentReportingInformationBySegmentAxis} : Excavation
{us-gaap_SegmentReportingRevenueReconcilingItemAxis} : Reportable segments
1/1/2009 - 12/31/2009
USD ($)
$D2009_ExcavationMember_ReportableSegmentsMemberhttp://www.sec.gov/CIK0000018230duration2009-01-01T00:00:002009-12-31T00:00:00falsefalseExcavationus-gaap_SegmentReportingInformationBySegmentAxisxbrldihttp://xbrl.org/2006/xbrldicat_ExcavationMemberus-gaap_SegmentReportingInformationBySegmentAxisexplicitMemberfalsefalseReportable segmentsus-gaap_SegmentReportingRevenueReconcilingItemAxisxbrldihttp://xbrl.org/2006/xbrldicat_ReportableSegmentsMemberus-gaap_SegmentReportingRevenueReconcilingItemAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$23falsefalseUSDtruefalse{us-gaap_SegmentReportingInformationBySegmentAxis} : Excavation
{us-gaap_SegmentReportingRevenueReconcilingItemAxis} : Reportable segments
1/1/2008 - 12/31/2008
USD ($)
$D2008_ExcavationMember_ReportableSegmentsMemberhttp://www.sec.gov/CIK0000018230duration2008-01-01T00:00:002008-12-31T00:00:00falsefalseExcavationus-gaap_SegmentReportingInformationBySegmentAxisxbrldihttp://xbrl.org/2006/xbrldicat_ExcavationMemberus-gaap_SegmentReportingInformationBySegmentAxisexplicitMemberfalsefalseReportable segmentsus-gaap_SegmentReportingRevenueReconcilingItemAxisxbrldihttp://xbrl.org/2006/xbrldicat_ReportableSegmentsMemberus-gaap_SegmentReportingRevenueReconcilingItemAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$24falsefalseUSDtruefalse{us-gaap_SegmentReportingInformationBySegmentAxis} : Large Power Systems
{us-gaap_SegmentReportingRevenueReconcilingItemAxis} : Reportable segments
1/1/2010 - 12/31/2010
USD ($)
$D2010_LargePowerSystemsMember_ReportableSegmentsMemberhttp://www.sec.gov/CIK0000018230duration2010-01-01T00:00:002010-12-31T00:00:00falsefalseLarge Power Systemsus-gaap_SegmentReportingInformationBySegmentAxisxbrldihttp://xbrl.org/2006/xbrldicat_LargePowerSystemsMemberus-gaap_SegmentReportingInformationBySegmentAxisexplicitMemberfalsefalseReportable segmentsus-gaap_SegmentReportingRevenueReconcilingItemAxisxbrldihttp://xbrl.org/2006/xbrldicat_ReportableSegmentsMemberus-gaap_SegmentReportingRevenueReconcilingItemAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$25falsefalseUSDtruefalse{us-gaap_SegmentReportingInformationBySegmentAxis} : Large Power Systems
{us-gaap_SegmentReportingRevenueReconcilingItemAxis} : Reportable segments
1/1/2009 - 12/31/2009
USD ($)
$D2009_LargePowerSystemsMember_ReportableSegmentsMemberhttp://www.sec.gov/CIK0000018230duration2009-01-01T00:00:002009-12-31T00:00:00falsefalseLarge Power Systemsus-gaap_SegmentReportingInformationBySegmentAxisxbrldihttp://xbrl.org/2006/xbrldicat_LargePowerSystemsMemberus-gaap_SegmentReportingInformationBySegmentAxisexplicitMemberfalsefalseReportable segmentsus-gaap_SegmentReportingRevenueReconcilingItemAxisxbrldihttp://xbrl.org/2006/xbrldicat_ReportableSegmentsMemberus-gaap_SegmentReportingRevenueReconcilingItemAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$26falsefalseUSDtruefalse{us-gaap_SegmentReportingInformationBySegmentAxis} : Large Power Systems
{us-gaap_SegmentReportingRevenueReconcilingItemAxis} : Reportable segments
1/1/2008 - 12/31/2008
USD ($)
$D2008_LargePowerSystemsMember_ReportableSegmentsMemberhttp://www.sec.gov/CIK0000018230duration2008-01-01T00:00:002008-12-31T00:00:00falsefalseLarge Power Systemsus-gaap_SegmentReportingInformationBySegmentAxisxbrldihttp://xbrl.org/2006/xbrldicat_LargePowerSystemsMemberus-gaap_SegmentReportingInformationBySegmentAxisexplicitMemberfalsefalseReportable segmentsus-gaap_SegmentReportingRevenueReconcilingItemAxisxbrldihttp://xbrl.org/2006/xbrldicat_ReportableSegmentsMemberus-gaap_SegmentReportingRevenueReconcilingItemAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$27falsefalseUSDtruefalse{us-gaap_SegmentReportingInformationBySegmentAxis} : Logistics
{us-gaap_SegmentReportingRevenueReconcilingItemAxis} : Reportable segments
1/1/2010 - 12/31/2010
USD ($)
$D2010_LogisticsMember_ReportableSegmentsMemberhttp://www.sec.gov/CIK0000018230duration2010-01-01T00:00:002010-12-31T00:00:00falsefalseLogisticsus-gaap_SegmentReportingInformationBySegmentAxisxbrldihttp://xbrl.org/2006/xbrldicat_LogisticsMemberus-gaap_SegmentReportingInformationBySegmentAxisexplicitMemberfalsefalseReportable segmentsus-gaap_SegmentReportingRevenueReconcilingItemAxisxbrldihttp://xbrl.org/2006/xbrldicat_ReportableSegmentsMemberus-gaap_SegmentReportingRevenueReconcilingItemAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$28falsefalseUSDtruefalse{us-gaap_SegmentReportingInformationBySegmentAxis} : Logistics
{us-gaap_SegmentReportingRevenueReconcilingItemAxis} : Reportable segments
1/1/2009 - 12/31/2009
USD ($)
$D2009_LogisticsMember_ReportableSegmentsMemberhttp://www.sec.gov/CIK0000018230duration2009-01-01T00:00:002009-12-31T00:00:00falsefalseLogisticsus-gaap_SegmentReportingInformationBySegmentAxisxbrldihttp://xbrl.org/2006/xbrldicat_LogisticsMemberus-gaap_SegmentReportingInformationBySegmentAxisexplicitMemberfalsefalseReportable segmentsus-gaap_SegmentReportingRevenueReconcilingItemAxisxbrldihttp://xbrl.org/2006/xbrldicat_ReportableSegmentsMemberus-gaap_SegmentReportingRevenueReconcilingItemAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$29falsefalseUSDtruefalse{us-gaap_SegmentReportingInformationBySegmentAxis} : Logistics
{us-gaap_SegmentReportingRevenueReconcilingItemAxis} : Reportable segments
1/1/2008 - 12/31/2008
USD ($)
$D2008_LogisticsMember_ReportableSegmentsMemberhttp://www.sec.gov/CIK0000018230duration2008-01-01T00:00:002008-12-31T00:00:00falsefalseLogisticsus-gaap_SegmentReportingInformationBySegmentAxisxbrldihttp://xbrl.org/2006/xbrldicat_LogisticsMemberus-gaap_SegmentReportingInformationBySegmentAxisexplicitMemberfalsefalseReportable segmentsus-gaap_SegmentReportingRevenueReconcilingItemAxisxbrldihttp://xbrl.org/2006/xbrldicat_ReportableSegmentsMemberus-gaap_SegmentReportingRevenueReconcilingItemAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$30falsefalseUSDtruefalse{us-gaap_SegmentReportingInformationBySegmentAxis} : Marine and Petroleum Power
{us-gaap_SegmentReportingRevenueReconcilingItemAxis} : Reportable segments
1/1/2010 - 12/31/2010
USD ($)
$D2010_MarinePetroleumPowerMember_ReportableSegmentsMemberhttp://www.sec.gov/CIK0000018230duration2010-01-01T00:00:002010-12-31T00:00:00falsefalseMarine and Petroleum Powerus-gaap_SegmentReportingInformationBySegmentAxisxbrldihttp://xbrl.org/2006/xbrldicat_MarinePetroleumPowerMemberus-gaap_SegmentReportingInformationBySegmentAxisexplicitMemberfalsefalseReportable segmentsus-gaap_SegmentReportingRevenueReconcilingItemAxisxbrldihttp://xbrl.org/2006/xbrldicat_ReportableSegmentsMemberus-gaap_SegmentReportingRevenueReconcilingItemAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$31falsefalseUSDtruefalse{us-gaap_SegmentReportingInformationBySegmentAxis} : Marine and Petroleum Power
{us-gaap_SegmentReportingRevenueReconcilingItemAxis} : Reportable segments
1/1/2009 - 12/31/2009
USD ($)
$D2009_MarinePetroleumPowerMember_ReportableSegmentsMemberhttp://www.sec.gov/CIK0000018230duration2009-01-01T00:00:002009-12-31T00:00:00falsefalseMarine and Petroleum Powerus-gaap_SegmentReportingInformationBySegmentAxisxbrldihttp://xbrl.org/2006/xbrldicat_MarinePetroleumPowerMemberus-gaap_SegmentReportingInformationBySegmentAxisexplicitMemberfalsefalseReportable segmentsus-gaap_SegmentReportingRevenueReconcilingItemAxisxbrldihttp://xbrl.org/2006/xbrldicat_ReportableSegmentsMemberus-gaap_SegmentReportingRevenueReconcilingItemAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$32falsefalseUSDtruefalse{us-gaap_SegmentReportingInformationBySegmentAxis} : Marine and Petroleum Power
{us-gaap_SegmentReportingRevenueReconcilingItemAxis} : Reportable segments
1/1/2008 - 12/31/2008
USD ($)
$D2008_MarinePetroleumPowerMember_ReportableSegmentsMemberhttp://www.sec.gov/CIK0000018230duration2008-01-01T00:00:002008-12-31T00:00:00falsefalseMarine and Petroleum Powerus-gaap_SegmentReportingInformationBySegmentAxisxbrldihttp://xbrl.org/2006/xbrldicat_MarinePetroleumPowerMemberus-gaap_SegmentReportingInformationBySegmentAxisexplicitMemberfalsefalseReportable segmentsus-gaap_SegmentReportingRevenueReconcilingItemAxisxbrldihttp://xbrl.org/2006/xbrldicat_ReportableSegmentsMemberus-gaap_SegmentReportingRevenueReconcilingItemAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$33falsefalseUSDtruefalse{us-gaap_SegmentReportingInformationBySegmentAxis} : Mining
{us-gaap_SegmentReportingRevenueReconcilingItemAxis} : Reportable segments
1/1/2010 - 12/31/2010
USD ($)
$D2010_MiningMember_ReportableSegmentsMemberhttp://www.sec.gov/CIK0000018230duration2010-01-01T00:00:002010-12-31T00:00:00falsefalseMiningus-gaap_SegmentReportingInformationBySegmentAxisxbrldihttp://xbrl.org/2006/xbrldicat_MiningMemberus-gaap_SegmentReportingInformationBySegmentAxisexplicitMemberfalsefalseReportable segmentsus-gaap_SegmentReportingRevenueReconcilingItemAxisxbrldihttp://xbrl.org/2006/xbrldicat_ReportableSegmentsMemberus-gaap_SegmentReportingRevenueReconcilingItemAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$34falsefalseUSDtruefalse{us-gaap_SegmentReportingInformationBySegmentAxis} : Mining
{us-gaap_SegmentReportingRevenueReconcilingItemAxis} : Reportable segments
1/1/2009 - 12/31/2009
USD ($)
$D2009_MiningMember_ReportableSegmentsMemberhttp://www.sec.gov/CIK0000018230duration2009-01-01T00:00:002009-12-31T00:00:00falsefalseMiningus-gaap_SegmentReportingInformationBySegmentAxisxbrldihttp://xbrl.org/2006/xbrldicat_MiningMemberus-gaap_SegmentReportingInformationBySegmentAxisexplicitMemberfalsefalseReportable segmentsus-gaap_SegmentReportingRevenueReconcilingItemAxisxbrldihttp://xbrl.org/2006/xbrldicat_ReportableSegmentsMemberus-gaap_SegmentReportingRevenueReconcilingItemAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$35falsefalseUSDtruefalse{us-gaap_SegmentReportingInformationBySegmentAxis} : Mining
{us-gaap_SegmentReportingRevenueReconcilingItemAxis} : Reportable segments
1/1/2008 - 12/31/2008
USD ($)
$D2008_MiningMember_ReportableSegmentsMemberhttp://www.sec.gov/CIK0000018230duration2008-01-01T00:00:002008-12-31T00:00:00falsefalseMiningus-gaap_SegmentReportingInformationBySegmentAxisxbrldihttp://xbrl.org/2006/xbrldicat_MiningMemberus-gaap_SegmentReportingInformationBySegmentAxisexplicitMemberfalsefalseReportable segmentsus-gaap_SegmentReportingRevenueReconcilingItemAxisxbrldihttp://xbrl.org/2006/xbrldicat_ReportableSegmentsMemberus-gaap_SegmentReportingRevenueReconcilingItemAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$36falsefalseUSDtruefalse{us-gaap_SegmentReportingInformationBySegmentAxis} : Turbines
{us-gaap_SegmentReportingRevenueReconcilingItemAxis} : Reportable segments
1/1/2010 - 12/31/2010
USD ($)
$D2010_TurbinesMember_ReportableSegmentsMemberhttp://www.sec.gov/CIK0000018230duration2010-01-01T00:00:002010-12-31T00:00:00falsefalseTurbinesus-gaap_SegmentReportingInformationBySegmentAxisxbrldihttp://xbrl.org/2006/xbrldicat_TurbinesMemberus-gaap_SegmentReportingInformationBySegmentAxisexplicitMemberfalsefalseReportable segmentsus-gaap_SegmentReportingRevenueReconcilingItemAxisxbrldihttp://xbrl.org/2006/xbrldicat_ReportableSegmentsMemberus-gaap_SegmentReportingRevenueReconcilingItemAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$37falsefalseUSDtruefalse{us-gaap_SegmentReportingInformationBySegmentAxis} : Turbines
{us-gaap_SegmentReportingRevenueReconcilingItemAxis} : Reportable segments
1/1/2009 - 12/31/2009
USD ($)
$D2009_TurbinesMember_ReportableSegmentsMemberhttp://www.sec.gov/CIK0000018230duration2009-01-01T00:00:002009-12-31T00:00:00falsefalseTurbinesus-gaap_SegmentReportingInformationBySegmentAxisxbrldihttp://xbrl.org/2006/xbrldicat_TurbinesMemberus-gaap_SegmentReportingInformationBySegmentAxisexplicitMemberfalsefalseReportable segmentsus-gaap_SegmentReportingRevenueReconcilingItemAxisxbrldihttp://xbrl.org/2006/xbrldicat_ReportableSegmentsMemberus-gaap_SegmentReportingRevenueReconcilingItemAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$38falsefalseUSDtruefalse{us-gaap_SegmentReportingInformationBySegmentAxis} : Turbines
{us-gaap_SegmentReportingRevenueReconcilingItemAxis} : Reportable segments
1/1/2008 - 12/31/2008
USD ($)
$D2008_TurbinesMember_ReportableSegmentsMemberhttp://www.sec.gov/CIK0000018230duration2008-01-01T00:00:002008-12-31T00:00:00falsefalseTurbinesus-gaap_SegmentReportingInformationBySegmentAxisxbrldihttp://xbrl.org/2006/xbrldicat_TurbinesMemberus-gaap_SegmentReportingInformationBySegmentAxisexplicitMemberfalsefalseReportable segmentsus-gaap_SegmentReportingRevenueReconcilingItemAxisxbrldihttp://xbrl.org/2006/xbrldicat_ReportableSegmentsMemberus-gaap_SegmentReportingRevenueReconcilingItemAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$39falsefalseUSDtruefalse{us-gaap_SegmentReportingInformationBySegmentAxis} : Financial Products
{us-gaap_SegmentReportingRevenueReconcilingItemAxis} : Reportable segments
1/1/2010 - 12/31/2010
USD ($)
$D2010_FinancialProductsMember_ReportableSegmentsMemberhttp://www.sec.gov/CIK0000018230duration2010-01-01T00:00:002010-12-31T00:00:00falsefalseFinancial Productsus-gaap_SegmentReportingInformationBySegmentAxisxbrldihttp://xbrl.org/2006/xbrldicat_FinancialProductsMemberus-gaap_SegmentReportingInformationBySegmentAxisexplicitMemberfalsefalseReportable segmentsus-gaap_SegmentReportingRevenueReconcilingItemAxisxbrldihttp://xbrl.org/2006/xbrldicat_ReportableSegmentsMemberus-gaap_SegmentReportingRevenueReconcilingItemAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$40falsefalseUSDtruefalse{us-gaap_SegmentReportingInformationBySegmentAxis} : Financial Products
{us-gaap_SegmentReportingRevenueReconcilingItemAxis} : Reportable segments
1/1/2009 - 12/31/2009
USD ($)
$D2009_FinancialProductsMember_ReportableSegmentsMemberhttp://www.sec.gov/CIK0000018230duration2009-01-01T00:00:002009-12-31T00:00:00falsefalseFinancial Productsus-gaap_SegmentReportingInformationBySegmentAxisxbrldihttp://xbrl.org/2006/xbrldicat_FinancialProductsMemberus-gaap_SegmentReportingInformationBySegmentAxisexplicitMemberfalsefalseReportable segmentsus-gaap_SegmentReportingRevenueReconcilingItemAxisxbrldihttp://xbrl.org/2006/xbrldicat_ReportableSegmentsMemberus-gaap_SegmentReportingRevenueReconcilingItemAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$41falsefalseUSDtruefalse{us-gaap_SegmentReportingInformationBySegmentAxis} : Financial Products
{us-gaap_SegmentReportingRevenueReconcilingItemAxis} : Reportable segments
1/1/2008 - 12/31/2008
USD ($)
$D2008_FinancialProductsMember_ReportableSegmentsMemberhttp://www.sec.gov/CIK0000018230duration2008-01-01T00:00:002008-12-31T00:00:00falsefalseFinancial Productsus-gaap_SegmentReportingInformationBySegmentAxisxbrldihttp://xbrl.org/2006/xbrldicat_FinancialProductsMemberus-gaap_SegmentReportingInformationBySegmentAxisexplicitMemberfalsefalseReportable segmentsus-gaap_SegmentReportingRevenueReconcilingItemAxisxbrldihttp://xbrl.org/2006/xbrldicat_ReportableSegmentsMemberus-gaap_SegmentReportingRevenueReconcilingItemAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$42falsefalseUSDtruefalse{us-gaap_SegmentReportingInformationBySegmentAxis} : Financing and Insurance Services
{us-gaap_SegmentReportingRevenueReconcilingItemAxis} : Reportable segments
1/1/2010 - 12/31/2010
USD ($)
$D2010_FinancingAndInsuranceServicesMember_ReportableSegmentsMemberhttp://www.sec.gov/CIK0000018230duration2010-01-01T00:00:002010-12-31T00:00:00falsefalseFinancing and Insurance Servicesus-gaap_SegmentReportingInformationBySegmentAxisxbrldihttp://xbrl.org/2006/xbrldicat_FinancingAndInsuranceServicesMemberus-gaap_SegmentReportingInformationBySegmentAxisexplicitMemberfalsefalseReportable segmentsus-gaap_SegmentReportingRevenueReconcilingItemAxisxbrldihttp://xbrl.org/2006/xbrldicat_ReportableSegmentsMemberus-gaap_SegmentReportingRevenueReconcilingItemAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$43falsefalseUSDtruefalse{us-gaap_SegmentReportingInformationBySegmentAxis} : Financing and Insurance Services
{us-gaap_SegmentReportingRevenueReconcilingItemAxis} : Reportable segments
1/1/2009 - 12/31/2009
USD ($)
$D2009_FinancingAndInsuranceServicesMember_ReportableSegmentsMemberhttp://www.sec.gov/CIK0000018230duration2009-01-01T00:00:002009-12-31T00:00:00falsefalseFinancing and Insurance Servicesus-gaap_SegmentReportingInformationBySegmentAxisxbrldihttp://xbrl.org/2006/xbrldicat_FinancingAndInsuranceServicesMemberus-gaap_SegmentReportingInformationBySegmentAxisexplicitMemberfalsefalseReportable segmentsus-gaap_SegmentReportingRevenueReconcilingItemAxisxbrldihttp://xbrl.org/2006/xbrldicat_ReportableSegmentsMemberus-gaap_SegmentReportingRevenueReconcilingItemAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$44falsefalseUSDtruefalse{us-gaap_SegmentReportingInformationBySegmentAxis} : Financing and Insurance Services
{us-gaap_SegmentReportingRevenueReconcilingItemAxis} : Reportable segments
1/1/2008 - 12/31/2008
USD ($)
$D2008_FinancingAndInsuranceServicesMember_ReportableSegmentsMemberhttp://www.sec.gov/CIK0000018230duration2008-01-01T00:00:002008-12-31T00:00:00falsefalseFinancing and Insurance Servicesus-gaap_SegmentReportingInformationBySegmentAxisxbrldihttp://xbrl.org/2006/xbrldicat_FinancingAndInsuranceServicesMemberus-gaap_SegmentReportingInformationBySegmentAxisexplicitMemberfalsefalseReportable segmentsus-gaap_SegmentReportingRevenueReconcilingItemAxisxbrldihttp://xbrl.org/2006/xbrldicat_ReportableSegmentsMemberus-gaap_SegmentReportingRevenueReconcilingItemAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$45falsefalseUSDtruefalse{us-gaap_SegmentReportingRevenueReconcilingItemAxis} : Reportable segments
1/1/2010 - 12/31/2010
USD ($)
$D2010_ReportableSegmentsMemberhttp://www.sec.gov/CIK0000018230duration2010-01-01T00:00:002010-12-31T00:00:00falsefalseReportable segmentsus-gaap_SegmentReportingRevenueReconcilingItemAxisxbrldihttp://xbrl.org/2006/xbrldicat_ReportableSegmentsMemberus-gaap_SegmentReportingRevenueReconcilingItemAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170PureStandardhttp://www.xbrl.org/2003/instancepurexbrli0USDUSD$46falsefalseUSDtruefalse{us-gaap_SegmentReportingRevenueReconcilingItemAxis} : Reportable segments
1/1/2009 - 12/31/2009
USD ($)
$D2009_ReportableSegmentsMemberhttp://www.sec.gov/CIK0000018230duration2009-01-01T00:00:002009-12-31T00:00:00falsefalseReportable segmentsus-gaap_SegmentReportingRevenueReconcilingItemAxisxbrldihttp://xbrl.org/2006/xbrldicat_ReportableSegmentsMemberus-gaap_SegmentReportingRevenueReconcilingItemAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$47falsefalseUSDtruefalse{us-gaap_SegmentReportingRevenueReconcilingItemAxis} : Reportable segments
1/1/2008 - 12/31/2008
USD ($)
$D2008_ReportableSegmentsMemberhttp://www.sec.gov/CIK0000018230duration2008-01-01T00:00:002008-12-31T00:00:00falsefalseReportable segmentsus-gaap_SegmentReportingRevenueReconcilingItemAxisxbrldihttp://xbrl.org/2006/xbrldicat_ReportableSegmentsMemberus-gaap_SegmentReportingRevenueReconcilingItemAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$2true0us-gaap_SegmentReportingInformationLineItemsus-gaaptruenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsetruefalse4falsefalsefalse00falsefalsefalsetruefalse5falsefalsefalse00falsefalsefalsetruefalse6falsefalsefalse00falsefalsefalsetruefalse7falsefalsefalse00falsefalsefalsetruefalse8falsefalsefalse00falsefalsefalsetruefalse9falsefalsefalse00falsefalsefalsetruefalse10falsefalsefalse00falsefalsefalsetruefalse11falsefalsefalse00falsefalsefalsetruefalse12falsefalsefalse00falsefalsefalsetruefalse13falsefalsefalse00falsefalsefalsetruefalse14falsefalsefalse00falsefalsefalsetruefalse15falsefalsefalse00falsefalsefalsetruefalse16falsefalsefalse00falsefalsefalsetruefalse17falsefalsefalse00falsefalsefalsetruefalse18falsefalsefalse00falsefalsefalsetruefalse19falsefalsefalse00falsefalsefalsetruefalse20falsefalsefalse00falsefalsefalsetruefalse21falsefalsefalse00falsefalsefalsetruefalse22falsefalsefalse00falsefalsefalsetruefalse23falsefalsefalse00falsefalsefalsetruefalse24falsefalsefalse00falsefalsefalsetruefalse25falsefalsefalse00falsefalsefalsetruefalse26falsefalsefalse00falsefalsefalsetruefalse27falsefalsefalse00falsefalsefalsetruefalse28falsefalsefalse00falsefalsefalsetruefalse29falsefalsefalse00falsefalsefalsetruefalse30falsefalsefalse00falsefalsefalsetruefalse31falsefalsefalse00falsefalsefalsetruefalse32falsefalsefalse00falsefalsefalsetruefalse33falsefalsefalse00falsefalsefalsetruefalse34falsefalsefalse00falsefalsefalsetruefalse35falsefalsefalse00falsefalsefalsetruefalse36falsefalsefalse00falsefalsefalsetruefalse37falsefalsefalse00falsefalsefalsetruefalse38falsefalsefalse00falsefalsefalsetruefalse39falsefalsefalse00falsefalsefalsetruefalse40falsefalsefalse00falsefalsefalsetruefalse41falsefalsefalse00falsefalsefalsetruefalse42falsefalsefalse00falsefalsefalsetruefalse43falsefalsefalse00falsefalsefalsetruefalse44falsefalsefalse00falsefalsefalsetruefalse45falsefalsefalse00falsefalsefalsetruefalse46falsefalsefalse00falsefalsefalsetruefalse47falsefalsefalse00falsefalsefalsetruefalseOtherxbrli:stringItemTypestringLine items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.falsefalse3false0cat_SegmentReportingInformationPostretirementBenefitExpensecatfalsedebitdurationThis element represents the portion of postretirement benefit expense allocated to business divisions based on budgeted...falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1truefalsefalse356000000356falsetruefalsefalsefalse2truefalsefalse105000000105falsetruefalsefalsefalse3falsefalsefalse00falsefalsefalsetruefalse4falsefalsefalse00falsefalsefalsetruefalse5falsefalsefalse00falsefalsefalsetruefalse6falsefalsefalse00falsefalsefalsetruefalse7falsefalsefalse00falsefalsefalsetruefalse8falsefalsefalse00falsefalsefalsetruefalse9falsefalsefalse00falsefalsefalsetruefalse10falsefalsefalse00falsefalsefalsetruefalse11falsefalsefalse00falsefalsefalsetruefalse12falsefalsefalse00falsefalsefalsetruefalse13falsefalsefalse00falsefalsefalsetruefalse14falsefalsefalse00falsefalsefalsetruefalse15falsefalsefalse00falsefalsefalsetruefalse16falsefalsefalse00falsefalsefalsetruefalse17falsefalsefalse00falsefalsefalsetruefalse18falsefalsefalse00falsefalsefalsetruefalse19falsefalsefalse00falsefalsefalsetruefalse20falsefalsefalse00falsefalsefalsetruefalse21falsefalsefalse00falsefalsefalsetruefalse22falsefalsefalse00falsefalsefalsetruefalse23falsefalsefalse00falsefalsefalsetruefalse24falsefalsefalse00falsefalsefalsetruefalse25falsefalsefalse00falsefalsefalsetruefalse26falsefalsefalse00falsefalsefalsetruefalse27falsefalsefalse00falsefalsefalsetruefalse28falsefalsefalse00falsefalsefalsetruefalse29falsefalsefalse00falsefalsefalsetruefalse30falsefalsefalse00falsefalsefalsetruefalse31falsefalsefalse00falsefalsefalsetruefalse32falsefalsefalse00falsefalsefalsetruefalse33falsefalsefalse00falsefalsefalsetruefalse34falsefalsefalse00falsefalsefalsetruefalse35falsefalsefalse00falsefalsefalsetruefalse36falsefalsefalse00falsefalsefalsetruefalse37falsefalsefalse00falsefalsefalsetruefalse38falsefalsefalse00falsefalsefalsetruefalse39falsefalsefalse00falsefalsefalsetruefalse40falsefalsefalse00falsefalsefalsetruefalse41falsefalsefalse00falsefalsefalsetruefalse42falsefalsefalse00falsefalsefalsetruefalse43falsefalsefalse00falsefalsefalsetruefalse44falsefalsefalse00falsefalsefalsetruefalse45falsefalsefalse00falsefalsefalsetruefalse46falsefalsefalse00falsefalsefalsetruefalse47falsefalsefalse00falsefalsefalsetruefalseMonetaryxbrli:monetaryItemTypemonetaryThis element represents the portion of postretirement benefit expense allocated to business divisions based on budgeted external and inter-segment sales and now reported as a methodology difference between segment and external reporting.No authoritative reference available.falsefalse4false0cat_CorporateAndOtherCostsAllocatedToBusinessDivisionscatfalsedebitdurationThe amount of corporate and other costs allocated to business divisions based on budgeted external and inter-segment sales.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3truefalsefalse839000000839falsefalsefalsetruefalse4truefalsefalse988000000988falsefalsefalsetruefalse5truefalsefalse12290000001229falsefalsefalsetruefalse6falsefalsefalse00falsefalsefalsetruefalse7falsefalsefalse00falsefalsefalsetruefalse8falsefalsefalse00falsefalsefalsetruefalse9falsefalsefalse00falsefalsefalsetruefalse10falsefalsefalse00falsefalsefalsetruefalse11falsefalsefalse00falsefalsefalsetruefalse12falsefalsefalse00falsefalsefalsetruefalse13falsefalsefalse00falsefalsefalsetruefalse14falsefalsefalse00falsefalsefalsetruefalse15falsefalsefalse00falsefalsefalsetruefalse16falsefalsefalse00falsefalsefalsetruefalse17falsefalsefalse00falsefalsefalsetruefalse18falsefalsefalse00falsefalsefalsetruefalse19falsefalsefalse00falsefalsefalsetruefalse20falsefalsefalse00falsefalsefalsetruefalse21falsefalsefalse00falsefalsefalsetruefalse22falsefalsefalse00falsefalsefalsetruefalse23falsefalsefalse00falsefalsefalsetruefalse24falsefalsefalse00falsefalsefalsetruefalse25falsefalsefalse00falsefalsefalsetruefalse26falsefalsefalse00falsefalsefalsetruefalse27falsefalsefalse00falsefalsefalsetruefalse28falsefalsefalse00falsefalsefalsetruefalse29falsefalsefalse00falsefalsefalsetruefalse30falsefalsefalse00falsefalsefalsetruefalse31falsefalsefalse00falsefalsefalsetruefalse32falsefalsefalse00falsefalsefalsetruefalse33falsefalsefalse00falsefalsefalsetruefalse34falsefalsefalse00falsefalsefalsetruefalse35falsefalsefalse00falsefalsefalsetruefalse36falsefalsefalse00falsefalsefalsetruefalse37falsefalsefalse00falsefalsefalsetruefalse38falsefalsefalse00falsefalsefalsetruefalse39falsefalsefalse00falsefalsefalsetruefalse40falsefalsefalse00falsefalsefalsetruefalse41falsefalsefalse00falsefalsefalsetruefalse42falsefalsefalse00falsefalsefalsetruefalse43falsefalsefalse00falsefalsefalsetruefalse44falsefalsefalse00falsefalsefalsetruefalse45falsefalsefalse00falsefalsefalsetruefalse46falsefalsefalse00falsefalsefalsetruefalse47falsefalsefalse00falsefalsefalsetruefalseMonetaryxbrli:monetaryItemTypemonetaryThe amount of corporate and other costs allocated to business divisions based on budgeted external and inter-segment sales.No authoritative reference available.falsefalse5false0cat_NumberOfOperatingSegmentscatfalsenadurationThe overall number of the entity's operating segments for its business activity.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsetruefalse4falsefalsefalse00falsefalsefalsetruefalse5falsefalsefalse00falsefalsefalsetruefalse6falsefalsefalse00falsefalsefalsetruefalse7falsefalsefalse00falsefalsefalsetruefalse8falsefalsefalse00falsefalsefalsetruefalse9falsefalsefalse00falsefalsefalsetruefalse10falsefalsefalse00falsefalsefalsetruefalse11falsefalsefalse00falsefalsefalsetruefalse12falsefalsefalse00falsefalsefalsetruefalse13falsefalsefalse00falsefalsefalsetruefalse14falsefalsefalse00falsefalsefalsetruefalse15falsefalsefalse00falsefalsefalsetruefalse16falsefalsefalse00falsefalsefalsetruefalse17falsefalsefalse00falsefalsefalsetruefalse18falsefalsefalse00falsefalsefalsetruefalse19falsefalsefalse00falsefalsefalsetruefalse20falsefalsefalse00falsefalsefalsetruefalse21falsefalsefalse00falsefalsefalsetruefalse22falsefalsefalse00falsefalsefalsetruefalse23falsefalsefalse00falsefalsefalsetruefalse24falsefalsefalse00falsefalsefalsetruefalse25falsefalsefalse00falsefalsefalsetruefalse26falsefalsefalse00falsefalsefalsetruefalse27falsefalsefalse00falsefalsefalsetruefalse28falsefalsefalse00falsefalsefalsetruefalse29falsefalsefalse00falsefalsefalsetruefalse30falsefalsefalse00falsefalsefalsetruefalse31falsefalsefalse00falsefalsefalsetruefalse32falsefalsefalse00falsefalsefalsetruefalse33falsefalsefalse00falsefalsefalsetruefalse34falsefalsefalse00falsefalsefalsetruefalse35falsefalsefalse00falsefalsefalsetruefalse36falsefalsefalse00falsefalsefalsetruefalse37falsefalsefalse00falsefalsefalsetruefalse38falsefalsefalse00falsefalsefalsetruefalse39falsefalsefalse00falsefalsefalsetruefalse40falsefalsefalse00falsefalsefalsetruefalse41falsefalsefalse00falsefalsefalsetruefalse42falsefalsefalse00falsefalsefalsetruefalse43falsefalsefalse00falsefalsefalsetruefalse44falsefalsefalse00falsefalsefalsetruefalse45truefalsefalse2525falsefalsefalsetruefalse46falsefalsefalse00falsefalsefalsetruefalse47falsefalsefalse00falsefalsefalsetruefalseOtherxbrli:integerItemTypeintegerThe overall number of the entity's operating segments for its business activity.No authoritative reference available.falsefalse6false0cat_NumberOfReportableSegmentscatfalsenadurationThe number of the entity's reportable segments, which are operating segments that meet the segment reporting criteria set...falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsetruefalse4falsefalsefalse00falsefalsefalsetruefalse5falsefalsefalse00falsefalsefalsetruefalse6falsefalsefalse00falsefalsefalsetruefalse7falsefalsefalse00falsefalsefalsetruefalse8falsefalsefalse00falsefalsefalsetruefalse9falsefalsefalse00falsefalsefalsetruefalse10falsefalsefalse00falsefalsefalsetruefalse11falsefalsefalse00falsefalsefalsetruefalse12falsefalsefalse00falsefalsefalsetruefalse13falsefalsefalse00falsefalsefalsetruefalse14falsefalsefalse00falsefalsefalsetruefalse15falsefalsefalse00falsefalsefalsetruefalse16falsefalsefalse00falsefalsefalsetruefalse17falsefalsefalse00falsefalsefalsetruefalse18falsefalsefalse00falsefalsefalsetruefalse19falsefalsefalse00falsefalsefalsetruefalse20falsefalsefalse00falsefalsefalsetruefalse21falsefalsefalse00falsefalsefalsetruefalse22falsefalsefalse00falsefalsefalsetruefalse23falsefalsefalse00falsefalsefalsetruefalse24falsefalsefalse00falsefalsefalsetruefalse25falsefalsefalse00falsefalsefalsetruefalse26falsefalsefalse00falsefalsefalsetruefalse27falsefalsefalse00falsefalsefalsetruefalse28falsefalsefalse00falsefalsefalsetruefalse29falsefalsefalse00falsefalsefalsetruefalse30falsefalsefalse00falsefalsefalsetruefalse31falsefalsefalse00falsefalsefalsetruefalse32falsefalsefalse00falsefalsefalsetruefalse33falsefalsefalse00falsefalsefalsetruefalse34falsefalsefalse00falsefalsefalsetruefalse35falsefalsefalse00falsefalsefalsetruefalse36falsefalsefalse00falsefalsefalsetruefalse37falsefalsefalse00falsefalsefalsetruefalse38falsefalsefalse00falsefalsefalsetruefalse39falsefalsefalse00falsefalsefalsetruefalse40falsefalsefalse00falsefalsefalsetruefalse41falsefalsefalse00falsefalsefalsetruefalse42falsefalsefalse00falsefalsefalsetruefalse43falsefalsefalse00falsefalsefalsetruefalse44falsefalsefalse00falsefalsefalsetruefalse45truefalsefalse1212falsefalsefalsetruefalse46falsefalsefalse00falsefalsefalsetruefalse47falsefalsefalse00falsefalsefalsetruefalseOtherxbrli:integerItemTypeintegerThe number of the entity's reportable segments, which are operating segments that meet the segment reporting criteria set forth in the related guidance and thus need to report separate information.No authoritative reference available.falsefalse7false0cat_NumberOfPrincipalLinesOfBusinesscatfalsenadurationThe number of the entity's principal lines of business activity.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsetruefalse4falsefalsefalse00falsefalsefalsetruefalse5falsefalsefalse00falsefalsefalsetruefalse6falsefalsefalse00falsefalsefalsetruefalse7falsefalsefalse00falsefalsefalsetruefalse8falsefalsefalse00falsefalsefalsetruefalse9falsefalsefalse00falsefalsefalsetruefalse10falsefalsefalse00falsefalsefalsetruefalse11falsefalsefalse00falsefalsefalsetruefalse12falsefalsefalse00falsefalsefalsetruefalse13falsefalsefalse00falsefalsefalsetruefalse14falsefalsefalse00falsefalsefalsetruefalse15falsefalsefalse00falsefalsefalsetruefalse16falsefalsefalse00falsefalsefalsetruefalse17falsefalsefalse00falsefalsefalsetruefalse18falsefalsefalse00falsefalsefalsetruefalse19falsefalsefalse00falsefalsefalsetruefalse20falsefalsefalse00falsefalsefalsetruefalse21falsefalsefalse00falsefalsefalsetruefalse22falsefalsefalse00falsefalsefalsetruefalse23falsefalsefalse00falsefalsefalsetruefalse24falsefalsefalse00falsefalsefalsetruefalse25falsefalsefalse00falsefalsefalsetruefalse26falsefalsefalse00falsefalsefalsetruefalse27falsefalsefalse00falsefalsefalsetruefalse28falsefalsefalse00falsefalsefalsetruefalse29falsefalsefalse00falsefalsefalsetruefalse30falsefalsefalse00falsefalsefalsetruefalse31falsefalsefalse00falsefalsefalsetruefalse32falsefalsefalse00falsefalsefalsetruefalse33falsefalsefalse00falsefalsefalsetruefalse34falsefalsefalse00falsefalsefalsetruefalse35falsefalsefalse00falsefalsefalsetruefalse36falsefalsefalse00falsefalsefalsetruefalse37falsefalsefalse00falsefalsefalsetruefalse38falsefalsefalse00falsefalsefalsetruefalse39falsefalsefalse00falsefalsefalsetruefalse40falsefalsefalse00falsefalsefalsetruefalse41falsefalsefalse00falsefalsefalsetruefalse42falsefalsefalse00falsefalsefalsetruefalse43falsefalsefalse00falsefalsefalsetruefalse44falsefalsefalse00falsefalsefalsetruefalse45truefalsefalse33falsefalsefalsetruefalse46falsefalsefalse00falsefalsefalsetruefalse47falsefalsefalse00falsefalsefalsetruefalseOtherxbrli:integerItemTypeintegerThe number of the entity's principal lines of business activity.No authoritative reference available.falsefalse8false0us-gaap_SegmentReportingInformationRevenueFromExternalCustomersus-gaaptruecreditdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3truefalsefalse3010200000030102falsefalsefalsetruefalse4truefalsefalse2294200000022942falsefalsefalsetruefalse5truefalsefalse3735500000037355falsefalsefalsetruefalse6truefalsefalse22170000002217falsefalsefalsetruefalse7truefalsefalse11360000001136falsefalsefalsetruefalse8truefalsefalse30430000003043falsefalsefalsetruefalse9truefalsefalse12250000001225falsefalsefalsetruefalse10truefalsefalse12190000001219falsefalsefalsetruefalse11truefalsefalse345000000345falsefalsefalsetruefalse12truefalsefalse12340000001234falsefalsefalsetruefalse13truefalsefalse919000000919falsefalsefalsetruefalse14truefalsefalse11290000001129falsefalsefalsetruefalse15truefalsefalse50450000005045falsefalsefalsetruefalse16truefalsefalse31540000003154falsefalsefalsetruefalse17truefalsefalse74670000007467falsefalsefalsetruefalse18truefalsefalse28470000002847falsefalsefalsetruefalse19truefalsefalse22680000002268falsefalsefalsetruefalse20truefalsefalse36340000003634falsefalsefalsetruefalse21truefalsefalse45620000004562falsefalsefalsetruefalse22truefalsefalse22650000002265falsefalsefalsetruefalse23truefalsefalse59180000005918falsefalsefalsetruefalse24truefalsefalse28850000002885falsefalsefalsetruefalse25truefalsefalse22270000002227falsefalsefalsetruefalse26truefalsefalse32200000003220falsefalsefalsetruefalse27truefalsefalse659000000659falsefalsefalsetruefalse28truefalsefalse695000000695falsefalsefalsetruefalse29truefalsefalse850000000850falsefalsefalsetruefalse30truefalsefalse21320000002132falsefalsefalsetruefalse31truefalsefalse26640000002664falsefalsefalsetruefalse32truefalsefalse40660000004066falsefalsefalsetruefalse33truefalsefalse39750000003975falsefalsefalsetruefalse34truefalsefalse29050000002905falsefalsefalsetruefalse35truefalsefalse42700000004270falsefalsefalsetruefalse36truefalsefalse33210000003321falsefalsefalsetruefalse37truefalsefalse34900000003490falsefalsefalsetruefalse38truefalsefalse34130000003413falsefalsefalsetruefalse39falsefalsefalse00falsefalsefalsetruefalse40falsefalsefalse00falsefalsefalsetruefalse41falsefalsefalse00falsefalsefalsetruefalse42truefalsefalse29460000002946falsefalsefalsetruefalse43truefalsefalse31390000003139falsefalsefalsetruefalse44truefalsefalse35610000003561falsefalsefalsetruefalse45truefalsefalse3304800000033048falsefalsefalsetruefalse46truefalsefalse2608100000026081falsefalsefalsetruefalse47truefalsefalse4091600000040916falsefalsefalsetruefalseMonetaryxbrli:monetaryItemTypemonetaryAmount of revenue from external customers for the reportable segment. Must be disclosed if the amounts (a) is included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) is otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or lossReference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 131
-Paragraph 27
-Subparagraph a
falsefalse9false0us-gaap_SegmentReportingInformationIntersegmentRevenueus-gaaptruecreditdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3truefalsefalse1006900000010069falsefalsefalsetruefalse4truefalsefalse65120000006512falsefalsefalsetruefalse5truefalsefalse1022500000010225falsefalsefalsetruefalse6truefalsefalse3300000033falsefalsefalsetruefalse7truefalsefalse1800000018falsefalsefalsetruefalse8truefalsefalse4400000044falsefalsefalsetruefalse9truefalsefalse23520000002352falsefalsefalsetruefalse10truefalsefalse873000000873falsefalsefalsetruefalse11truefalsefalse774000000774falsefalsefalsetruefalse12truefalsefalse16180000001618falsefalsefalsetruefalse13truefalsefalse954000000954falsefalsefalsetruefalse14truefalsefalse17570000001757falsefalsefalsetruefalse15truefalsefalse113000000113falsefalsefalsetruefalse16truefalsefalse7400000074falsefalsefalsetruefalse17truefalsefalse144000000144falsefalsefalsetruefalse18truefalsefalse1600000016falsefalsefalsetruefalse19truefalsefalse1800000018falsefalsefalsetruefalse20truefalsefalse2400000024falsefalsefalsetruefalse21truefalsefalse9800000098falsefalsefalsetruefalse22truefalsefalse5400000054falsefalsefalsetruefalse23truefalsefalse115000000115falsefalsefalsetruefalse24truefalsefalse39110000003911falsefalsefalsetruefalse25truefalsefalse30730000003073falsefalsefalsetruefalse26truefalsefalse54690000005469falsefalsefalsetruefalse27truefalsefalse15660000001566falsefalsefalsetruefalse28truefalsefalse12560000001256falsefalsefalsetruefalse29truefalsefalse15700000001570falsefalsefalsetruefalse30truefalsefalse8200000082falsefalsefalsetruefalse31truefalsefalse6400000064falsefalsefalsetruefalse32truefalsefalse8500000085falsefalsefalsetruefalse33truefalsefalse275000000275falsefalsefalsetruefalse34truefalsefalse119000000119falsefalsefalsetruefalse35truefalsefalse226000000226falsefalsefalsetruefalse36truefalsefalse50000005falsefalsefalsetruefalse37truefalsefalse90000009falsefalsefalsetruefalse38truefalsefalse1700000017falsefalsefalsetruefalse39falsefalsefalse00falsefalsefalsetruefalse40falsefalsefalse00falsefalsefalsetruefalse41falsefalsefalse00falsefalsefalsetruefalse42falsefalsefalse00falsefalsefalsetruefalse43falsefalsefalse00falsefalsefalsetruefalse44falsefalsefalse00falsefalsefalsetruefalse45truefalsefalse1006900000010069falsefalsefalsetruefalse46truefalsefalse65120000006512falsefalsefalsetruefalse47truefalsefalse1022500000010225falsefalsefalsetruefalseMonetaryxbrli:monetaryItemTypemonetaryAmount of revenue from transactions with other operating segments of the same entity. Must be disclosed if the amount (a) is included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) is otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or lossReference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 131
-Paragraph 27
-Subparagraph b
falsefalse10false0us-gaap_SegmentReportingInformationRevenueus-gaaptruecreditdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3truefalsefalse4017100000040171falsefalsefalsetruefalse4truefalsefalse2945400000029454falsefalsefalsetruefalse5truefalsefalse4758000000047580falsefalsefalsetruefalse6truefalsefalse22500000002250falsefalsefalsetruefalse7truefalsefalse11540000001154falsefalsefalsetruefalse8truefalsefalse30870000003087falsefalsefalsetruefalse9truefalsefalse35770000003577falsefalsefalsetruefalse10truefalsefalse20920000002092falsefalsefalsetruefalse11truefalsefalse11190000001119falsefalsefalsetruefalse12truefalsefalse28520000002852falsefalsefalsetruefalse13truefalsefalse18730000001873falsefalsefalsetruefalse14truefalsefalse28860000002886falsefalsefalsetruefalse15truefalsefalse51580000005158falsefalsefalsetruefalse16truefalsefalse32280000003228falsefalsefalsetruefalse17truefalsefalse76110000007611falsefalsefalsetruefalse18truefalsefalse28630000002863falsefalsefalsetruefalse19truefalsefalse22860000002286falsefalsefalsetruefalse20truefalsefalse36580000003658falsefalsefalsetruefalse21truefalsefalse46600000004660falsefalsefalsetruefalse22truefalsefalse23190000002319falsefalsefalsetruefalse23truefalsefalse60330000006033falsefalsefalsetruefalse24truefalsefalse67960000006796falsefalsefalsetruefalse25truefalsefalse53000000005300falsefalsefalsetruefalse26truefalsefalse86890000008689falsefalsefalsetruefalse27truefalsefalse22250000002225falsefalsefalsetruefalse28truefalsefalse19510000001951falsefalsefalsetruefalse29truefalsefalse24200000002420falsefalsefalsetruefalse30truefalsefalse22140000002214falsefalsefalsetruefalse31truefalsefalse27280000002728falsefalsefalsetruefalse32truefalsefalse41510000004151falsefalsefalsetruefalse33truefalsefalse42500000004250falsefalsefalsetruefalse34truefalsefalse30240000003024falsefalsefalsetruefalse35truefalsefalse44960000004496falsefalsefalsetruefalse36truefalsefalse33260000003326falsefalsefalsetruefalse37truefalsefalse34990000003499falsefalsefalsetruefalse38truefalsefalse34300000003430falsefalsefalsetruefalse39falsefalsefalse00falsefalsefalsetruefalse40falsefalsefalse00falsefalsefalsetruefalse41falsefalsefalse00falsefalsefalsetruefalse42truefalsefalse29460000002946falsefalsefalsetruefalse43truefalsefalse31390000003139falsefalsefalsetruefalse44truefalsefalse35610000003561falsefalsefalsetruefalse45truefalsefalse4311700000043117falsefalsefalsetruefalse46truefalsefalse3259300000032593falsefalsefalsetruefalse47truefalsefalse5114100000051141falsefalsefalsetruefalseMonetaryxbrli:monetaryItemTypemonetaryAmount of total revenue for the reportable segment, including revenue from external customers, transactions with other operating segments of the same entity, and (gross) interest revenue. All considered to be "operating revenue" for purposes of the taxonomy.Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 131
-Paragraph 27
-Subparagraph a, b, c
falsefalse11false0us-gaap_SegmentReportingInformationDepreciationDepletionAndAmortizationExpenseus-gaaptruedebitdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3truefalsefalse965000000965falsefalsefalsetruefalse4truefalsefalse10140000001014falsefalsefalsetruefalse5truefalsefalse753000000753falsefalsefalsetruefalse6truefalsefalse2700000027falsefalsefalsetruefalse7truefalsefalse2900000029falsefalsefalsetruefalse8truefalsefalse2800000028falsefalsefalsetruefalse9truefalsefalse200000000200falsefalsefalsetruefalse10truefalsefalse272000000272falsefalsefalsetruefalse11truefalsefalse5500000055falsefalsefalsetruefalse12truefalsefalse8100000081falsefalsefalsetruefalse13truefalsefalse7600000076falsefalsefalsetruefalse14truefalsefalse6900000069falsefalsefalsetruefalse15truefalsefalse107000000107falsefalsefalsetruefalse16truefalsefalse9600000096falsefalsefalsetruefalse17truefalsefalse8500000085falsefalsefalsetruefalse18truefalsefalse2400000024falsefalsefalsetruefalse19truefalsefalse2600000026falsefalsefalsetruefalse20truefalsefalse2400000024falsefalsefalsetruefalse21truefalsefalse6900000069falsefalsefalsetruefalse22truefalsefalse6300000063falsefalsefalsetruefalse23truefalsefalse5400000054falsefalsefalsetruefalse24truefalsefalse215000000215falsefalsefalsetruefalse25truefalsefalse193000000193falsefalsefalsetruefalse26truefalsefalse194000000194falsefalsefalsetruefalse27truefalsefalse104000000104falsefalsefalsetruefalse28truefalsefalse107000000107falsefalsefalsetruefalse29truefalsefalse111000000111falsefalsefalsetruefalse30truefalsefalse2400000024falsefalsefalsetruefalse31truefalsefalse1900000019falsefalsefalsetruefalse32truefalsefalse1500000015falsefalsefalsetruefalse33truefalsefalse5300000053falsefalsefalsetruefalse34truefalsefalse7300000073falsefalsefalsetruefalse35truefalsefalse6300000063falsefalsefalsetruefalse36truefalsefalse6100000061falsefalsefalsetruefalse37truefalsefalse6000000060falsefalsefalsetruefalse38truefalsefalse5500000055falsefalsefalsetruefalse39truefalsefalse715000000715falsefalsefalsetruefalse40truefalsefalse742000000742falsefalsefalsetruefalse41truefalsefalse755000000755falsefalsefalsetruefalse42truefalsefalse715000000715falsefalsefalsetruefalse43truefalsefalse742000000742falsefalsefalsetruefalse44truefalsefalse755000000755falsefalsefalsetruefalse45truefalsefalse16800000001680falsefalsefalsetruefalse46truefalsefalse17560000001756falsefalsefalsetruefalse47truefalsefalse15080000001508falsefalsefalsetruefalseMonetaryxbrli:monetaryItemTypemonetaryAmount of depreciation, depletion, and amortization expense for the reportable segment. Must be disclosed if the amount (a) is included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) is otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or lossReference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 131
-Paragraph 27
-Subparagraph e
falsefalse12false0us-gaap_SegmentReportingInformationOperatingIncomeLossus-gaaptruecreditdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1truefalsefalse13280000001328falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3truefalsefalse37600000003760falsefalsefalsetruefalse4truefalsefalse11360000001136falsefalsefalsetruefalse5truefalsefalse36540000003654falsefalsefalsetruefalse6truefalsefalse8400000084falsefalsefalsetruefalse7truefalsefalse-193000000-193falsefalsefalsetruefalse8truefalsefalse-55000000-55falsefalsefalsetruefalse9truefalsefalse5900000059falsefalsefalsetruefalse10truefalsefalse-303000000-303falsefalsefalsetruefalse11truefalsefalse-28000000-28falsefalsefalsetruefalse12truefalsefalse589000000589falsefalsefalsetruefalse13truefalsefalse222000000222falsefalsefalsetruefalse14truefalsefalse357000000357falsefalsefalsetruefalse15truefalsefalse6300000063falsefalsefalsetruefalse16truefalsefalse-324000000-324falsefalsefalsetruefalse17truefalsefalse450000000450falsefalsefalsetruefalse18truefalsefalse236000000236falsefalsefalsetruefalse19truefalsefalse154000000154falsefalsefalsetruefalse20truefalsefalse258000000258falsefalsefalsetruefalse21truefalsefalse2600000026falsefalsefalsetruefalse22truefalsefalse-348000000-348falsefalsefalsetruefalse23truefalsefalse3100000031falsefalsefalsetruefalse24truefalsefalse527000000527falsefalsefalsetruefalse25truefalsefalse109000000109falsefalsefalsetruefalse26truefalsefalse595000000595falsefalsefalsetruefalse27truefalsefalse462000000462falsefalsefalsetruefalse28truefalsefalse412000000412falsefalsefalsetruefalse29truefalsefalse391000000391falsefalsefalsetruefalse30truefalsefalse202000000202falsefalsefalsetruefalse31truefalsefalse248000000248falsefalsefalsetruefalse32truefalsefalse429000000429falsefalsefalsetruefalse33truefalsefalse786000000786falsefalsefalsetruefalse34truefalsefalse352000000352falsefalsefalsetruefalse35truefalsefalse598000000598falsefalsefalsetruefalse36truefalsefalse726000000726falsefalsefalsetruefalse37truefalsefalse807000000807falsefalsefalsetruefalse38truefalsefalse628000000628falsefalsefalsetruefalse39truefalsefalse429000000429falsefalsefalsetruefalse40truefalsefalse399000000399falsefalsefalsetruefalse41truefalsefalse548000000548falsefalsefalsetruefalse42truefalsefalse429000000429falsefalsefalsetruefalse43truefalsefalse399000000399falsefalsefalsetruefalse44truefalsefalse548000000548falsefalsefalsetruefalse45truefalsefalse41890000004189falsefalsefalsetruefalse46truefalsefalse15350000001535falsefalsefalsetruefalse47truefalsefalse42020000004202falsefalsefalsetruefalseMonetaryxbrli:monetaryItemTypemonetaryAmount of income or loss for the reportable segment before unusual Items, equity method income or loss, income taxes, and extraordinary items.Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 131
-Paragraph 27
falsefalse13false0us-gaap_SegmentReportingInformationAssetsus-gaaptruedebitinstantNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3truefalsefalse1714700000017147falsefalsefalsetruefalse4truefalsefalse1438700000014387falsefalsefalsetruefalse5truefalsefalse1720600000017206falsefalsefalsetruefalse6truefalsefalse885000000885falsefalsefalsetruefalse7truefalsefalse615000000615falsefalsefalsetruefalse8truefalsefalse706000000706falsefalsefalsetruefalse9truefalsefalse25330000002533falsefalsefalsetruefalse10truefalsefalse24400000002440falsefalsefalsetruefalse11truefalsefalse31650000003165falsefalsefalsetruefalse12truefalsefalse11400000001140falsefalsefalsetruefalse13truefalsefalse955000000955falsefalsefalsetruefalse14truefalsefalse10790000001079falsefalsefalsetruefalse15truefalsefalse28860000002886falsefalsefalsetruefalse16truefalsefalse21970000002197falsefalsefalsetruefalse17truefalsefalse24770000002477falsefalsefalsetruefalse18truefalsefalse840000000840falsefalsefalsetruefalse19truefalsefalse702000000702falsefalsefalsetruefalse20truefalsefalse10680000001068falsefalsefalsetruefalse21truefalsefalse18060000001806falsefalsefalsetruefalse22truefalsefalse13250000001325falsefalsefalsetruefalse23truefalsefalse16460000001646falsefalsefalsetruefalse24truefalsefalse31480000003148falsefalsefalsetruefalse25truefalsefalse27030000002703falsefalsefalsetruefalse26truefalsefalse30550000003055falsefalsefalsetruefalse27truefalsefalse854000000854falsefalsefalsetruefalse28truefalsefalse828000000828falsefalsefalsetruefalse29truefalsefalse971000000971falsefalsefalsetruefalse30truefalsefalse687000000687falsefalsefalsetruefalse31truefalsefalse747000000747falsefalsefalsetruefalse32truefalsefalse758000000758falsefalsefalsetruefalse33truefalsefalse15180000001518falsefalsefalsetruefalse34truefalsefalse11410000001141falsefalsefalsetruefalse35truefalsefalse13380000001338falsefalsefalsetruefalse36truefalsefalse850000000850falsefalsefalsetruefalse37truefalsefalse734000000734falsefalsefalsetruefalse38truefalsefalse943000000943falsefalsefalsetruefalse39falsefalsefalse00falsefalsefalsetruefalse40falsefalsefalse00falsefalsefalsetruefalse41falsefalsefalse00falsefalsefalsetruefalse42truefalsefalse3034600000030346falsefalsefalsetruefalse43truefalsefalse3223000000032230falsefalsefalsetruefalse44truefalsefalse3457800000034578falsefalsefalsetruefalse45truefalsefalse4749300000047493falsefalsefalsetruefalse46truefalsefalse4661700000046617falsefalsefalsetruefalse47truefalsefalse5178400000051784falsefalsefalsetruefalseMonetaryxbrli:monetaryItemTypemonetaryAmount of total assets attributed to the reportable segment.Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 131
-Paragraph 27
falsefalse14false0cat_SegmentReportingInformationExpenditureForAdditionsLongLivedAssetscatfalsecreditdurationAmount of total capital expenditures attributable to the reportable segments.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:monetaryItemTypemonetaryAmount of total capital expenditures attributable to the reportable segments.No authoritative reference available.falsefalse4713Segment information (Details) (USD $)MillionsUnKnownUnKnownUnKnowntruetrue
