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12/31/2008 USD ($) $Duration_1_1_2008_To_12_31_2008253http://www.sec.gov/CIK0001355096duration2008-01-01T00:00:002008-12-31T00:00:00falsefalseCorporate and Other [Member]us-gaap_SegmentReportingInformationBySegmentAxisxbrldihttp://xbrl.org/2006/xbrldilcapa_CorporateAndOtherMemberus-gaap_SegmentReportingInformationBySegmentAxisexplicitMemberfalsefalseSegment, Liberty Capital [Member]us-gaap_StatementOperatingActivitiesSegmentAxisxbrldihttp://xbrl.org/2006/xbrldilcapa_SegmentLibertyCapitalMemberus-gaap_StatementOperatingActivitiesSegmentAxisexplicitMemberUnit12Standardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$OthernaNo definition available.No authoritative reference available.falsefalseCorporate and Other [Member] | Segment, Liberty Capital [Member]26false0us-gaap_SalesRevenueNetus-gaaptruecreditdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4falsefalsefalse00falsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalse7falsefalsefalse00falsefalsefalsefalsefalse8falsefalsefalse00falsefalsefalsefalsefalse9truefalsefalse391000000391falsefalsefalsefalsefalse10truefalsefalse285000000285falsefalsefalsefalsefalse11truefalsefalse293000000293falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryTotal revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 1 -Article 5 falsefalseTotal revenues27false0lcapa_AdjustedOibdalcapafalsedebitdurationAdjusted OIBDAfalsefalsefalsefalsefalsefalsefalsefalsefalsefalselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4falsefalsefalse00falsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalse7falsefalsefalse00falsefalsefalsefalsefalse8falsefalsefalse00falsefalsefalsefalsefalse9truefalsefalse-10000000-10falsefalsefalsefalsefalse10truefalsefalse-82000000-82falsefalsefalsefalsefalse11truefalsefalse-108000000-108falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryAdjusted OIBDANo authoritative reference available.falsefalseAdjusted OIBDA28false0natruenanaNo definition available.falsetruefalsefalsefalsefalsefalsefalsefalsefalsehttp://www.libertymedia.com/role/disclosureinformationaboutlibertysoperatingsegmentsperformancemeasuresbysegmentdetails1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4falsefalsefalse00falsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalse7falsefalsefalse00falsefalsefalsefalsefalse8falsefalsefalse00falsefalsefalsefalsefalse9falsefalsefalse00falsefalsefalsefalsefalse10falsefalsefalse00falsefalsefalsefalsefalse11falsefalsefalse00falsefalsefalsefalsefalse36falsefalseUSDtruefalse{us-gaap_SegmentReportingInformationBySegmentAxis} : Adjustment for Tracking Stock Purposes [Member] {us-gaap_StatementOperatingActivitiesSegmentAxis} : Segment, Liberty Capital [Member] 1/1/2010 - 12/31/2010 USD ($) $Duration_1_1_2010_To_12_31_201034http://www.sec.gov/CIK0001355096duration2010-01-01T00:00:002010-12-31T00:00:00falsefalseAdjustment for Tracking Stock Purposes [Member]us-gaap_SegmentReportingInformationBySegmentAxisxbrldihttp://xbrl.org/2006/xbrldilcapa_AdjustmentForTrackingStockPurposesMemberus-gaap_SegmentReportingInformationBySegmentAxisexplicitMemberfalsefalseSegment, Liberty Capital [Member]us-gaap_StatementOperatingActivitiesSegmentAxisxbrldihttp://xbrl.org/2006/xbrldilcapa_SegmentLibertyCapitalMemberus-gaap_StatementOperatingActivitiesSegmentAxisexplicitMemberUnit12Standardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$37falsefalseUSDtruefalse{us-gaap_SegmentReportingInformationBySegmentAxis} : Adjustment for Tracking Stock Purposes [Member] {us-gaap_StatementOperatingActivitiesSegmentAxis} : Segment, Liberty Capital [Member] 1/1/2009 - 12/31/2009 USD ($) $Duration_1_1_2009_To_12_31_20095http://www.sec.gov/CIK0001355096duration2009-01-01T00:00:002009-12-31T00:00:00falsefalseAdjustment for Tracking Stock Purposes [Member]us-gaap_SegmentReportingInformationBySegmentAxisxbrldihttp://xbrl.org/2006/xbrldilcapa_AdjustmentForTrackingStockPurposesMemberus-gaap_SegmentReportingInformationBySegmentAxisexplicitMemberfalsefalseSegment, Liberty Capital [Member]us-gaap_StatementOperatingActivitiesSegmentAxisxbrldihttp://xbrl.org/2006/xbrldilcapa_SegmentLibertyCapitalMemberus-gaap_StatementOperatingActivitiesSegmentAxisexplicitMemberUnit12Standardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$38falsefalseUSDtruefalse{us-gaap_SegmentReportingInformationBySegmentAxis} : Adjustment for Tracking Stock Purposes [Member] {us-gaap_StatementOperatingActivitiesSegmentAxis} : Segment, Liberty Capital [Member] 1/1/2008 - 12/31/2008 USD ($) $Duration_1_1_2008_To_12_31_200825http://www.sec.gov/CIK0001355096duration2008-01-01T00:00:002008-12-31T00:00:00falsefalseAdjustment for Tracking Stock Purposes [Member]us-gaap_SegmentReportingInformationBySegmentAxisxbrldihttp://xbrl.org/2006/xbrldilcapa_AdjustmentForTrackingStockPurposesMemberus-gaap_SegmentReportingInformationBySegmentAxisexplicitMemberfalsefalseSegment, Liberty Capital [Member]us-gaap_StatementOperatingActivitiesSegmentAxisxbrldihttp://xbrl.org/2006/xbrldilcapa_SegmentLibertyCapitalMemberus-gaap_StatementOperatingActivitiesSegmentAxisexplicitMemberUnit12Standardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$OthernaNo definition available.No authoritative reference available.falsefalseAdjustment for Tracking Stock Purposes [Member] | Segment, Liberty Capital [Member]29false0us-gaap_SalesRevenueNetus-gaaptruecreditdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4falsefalsefalse00falsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalse7falsefalsefalse00falsefalsefalsefalsefalse8falsefalsefalse00falsefalsefalsefalsefalse9truefalsefalse317000000317[1]falsefalsefalsefalsefalse10truefalsefalse364000000364[1]falsefalsefalsefalsefalse11truefalsefalse321000000321[1]falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryTotal revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 1 -Article 5 falsefalseTotal revenues30false0lcapa_AdjustedOibdalcapafalsedebitdurationAdjusted OIBDAfalsefalsefalsefalsefalsefalsefalsefalsefalsefalselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4falsefalsefalse00falsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalse7falsefalsefalse00falsefalsefalsefalsefalse8falsefalsefalse00falsefalsefalsefalsefalse9truefalsefalse-67000000-67[1]falsefalsefalsefalsefalse10truefalsefalse-93000000-93[1]falsefalsefalsefalsefalse11truefalsefalse-189000000-189[1]falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryAdjusted OIBDANo authoritative reference available.falsefalseAdjusted OIBDA31false0natruenanaNo definition available.falsetruefalsefalsefalsefalsefalsefalsefalsefalsehttp://www.libertymedia.com/role/disclosureinformationaboutlibertysoperatingsegmentsperformancemeasuresbysegmentdetails1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4falsefalsefalse00falsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalse7falsefalsefalse00falsefalsefalsefalsefalse8falsefalsefalse00falsefalsefalsefalsefalse9falsefalsefalse00falsefalsefalsefalsefalse10falsefalsefalse00falsefalsefalsefalsefalse11falsefalsefalse00falsefalsefalsefalsefalse39falsefalseUSDtruefalse{us-gaap_StatementOperatingActivitiesSegmentAxis} : Segment, Liberty Capital [Member] 1/1/2010 - 12/31/2010 USD ($) USD ($) / shares $Duration_1_1_2010_To_12_31_20103http://www.sec.gov/CIK0001355096duration2010-01-01T00:00:002010-12-31T00:00:00falsefalseSegment, Liberty Capital [Member]us-gaap_StatementOperatingActivitiesSegmentAxisxbrldihttp://xbrl.org/2006/xbrldilcapa_SegmentLibertyCapitalMemberus-gaap_StatementOperatingActivitiesSegmentAxisexplicitMemberUnit12Standardhttp://www.xbrl.org/2003/iso4217USDiso42170Unit1Standardhttp://www.xbrl.org/2003/instancesharesxbrli0Unit13Standardhttp://www.xbrl.org/2003/instancepurexbrli0Unit14Dividehttp://www.xbrl.org/2003/iso4217USDiso4217http://www.xbrl.org/2003/instancesharesxbrli0USDUSD$40falsefalseUSDtruefalse{us-gaap_StatementOperatingActivitiesSegmentAxis} : Segment, Liberty Capital [Member] 1/1/2009 - 12/31/2009 USD ($) USD ($) / shares $Duration_1_1_2009_To_12_31_20092http://www.sec.gov/CIK0001355096duration2009-01-01T00:00:002009-12-31T00:00:00falsefalseSegment, Liberty Capital [Member]us-gaap_StatementOperatingActivitiesSegmentAxisxbrldihttp://xbrl.org/2006/xbrldilcapa_SegmentLibertyCapitalMemberus-gaap_StatementOperatingActivitiesSegmentAxisexplicitMemberUnit12Standardhttp://www.xbrl.org/2003/iso4217USDiso42170Unit1Standardhttp://www.xbrl.org/2003/instancesharesxbrli0Unit14Dividehttp://www.xbrl.org/2003/iso4217USDiso4217http://www.xbrl.org/2003/instancesharesxbrli0Unit13Standardhttp://www.xbrl.org/2003/instancepurexbrli0USDUSD$41falsefalseUSDtruefalse{us-gaap_StatementOperatingActivitiesSegmentAxis} : Segment, Liberty Capital [Member] 1/1/2008 - 12/31/2008 USD ($) USD ($) / shares $Duration_1_1_2008_To_12_31_200822http://www.sec.gov/CIK0001355096duration2008-01-01T00:00:002008-12-31T00:00:00falsefalseSegment, Liberty Capital [Member]us-gaap_StatementOperatingActivitiesSegmentAxisxbrldihttp://xbrl.org/2006/xbrldilcapa_SegmentLibertyCapitalMemberus-gaap_StatementOperatingActivitiesSegmentAxisexplicitMemberUnit12Standardhttp://www.xbrl.org/2003/iso4217USDiso42170Unit14Dividehttp://www.xbrl.org/2003/iso4217USDiso4217http://www.xbrl.org/2003/instancesharesxbrli0Unit13Standardhttp://www.xbrl.org/2003/instancepurexbrli0Unit1Standardhttp://www.xbrl.org/2003/instancesharesxbrli0USDUSD$OthernaNo definition available.No authoritative reference available.falsefalseSegment, Liberty Capital [Member]32false0us-gaap_SalesRevenueNetus-gaaptruecreditdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4falsefalsefalse00falsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalse7falsefalsefalse00falsefalsefalsefalsefalse8falsefalsefalse00falsefalsefalsefalsefalse9truefalsefalse708000000708falsefalsefalsefalsefalse10truefalsefalse649000000649falsefalsefalsefalsefalse11truefalsefalse614000000614falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryTotal revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 1 -Article 5 falsefalseTotal revenues33false0lcapa_AdjustedOibdalcapafalsedebitdurationAdjusted OIBDAfalsefalsefalsefalsefalsefalsefalsefalsefalsefalselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4falsefalsefalse00falsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalse7falsefalsefalse00falsefalsefalsefalsefalse8falsefalsefalse00falsefalsefalsefalsefalse9truefalsefalse-77000000-77falsetruefalsefalsefalse10truefalsefalse-175000000-175falsetruefalsefalsefalse11truefalsefalse-297000000-297falsetruefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryAdjusted OIBDANo authoritative reference available.falsefalseAdjusted OIBDA1As discussed above due to the change in segments the prior periods have been changed to reflect the current segment presentation. The adjustment is necessary to align the Tracking Stock subtotals to the Unaudited Attributed Financial Information for Tracking Stock Groups found in Exhibit 99.1, wherein this change in attribution has been reflected prospectively.1132Information About Liberty's Operating Segments (Performance Measures by Segment) (Details) (USD $)MillionsUnKnownUnKnownUnKnownfalsetrue