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USD ($)
USD ($) / shares
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USD ($)
USD ($) / shares
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12/31/2010
USD ($)
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{dei_LegalEntityAxis} : Mobil Corporation [Member]
1/1/2010 - 12/31/2010
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{dei_LegalEntityAxis} : Mobil Corporation [Member]
1/1/2009 - 12/31/2009
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{dei_LegalEntityAxis} : Combined Exxon Mobil And Affiliates [Member]
1/1/2010 - 12/31/2010
Duration_1_1_2010_To_12_31_2010333http://www.sec.gov/CIK0000034088duration2010-01-01T00:00:002010-12-31T00:00:00falsefalseIndustrial revenue bonds due 2012-2040 [Member]us-gaap_LongtermDebtTypeAxisxbrldihttp://xbrl.org/2006/xbrldixom_IndustrialRevenueBondsDueTwoThousandTwelveToTwoThousandFourtyMemberus-gaap_LongtermDebtTypeAxisexplicitMemberfalsefalseCombined Exxon Mobil And Affiliates [Member]dei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldixom_CombinedExxonMobilAndAffiliatesMemberdei_LegalEntityAxisexplicitMemberUnit14Standardhttp://www.xbrl.org/2003/instancepurexbrli0Unit12Standardhttp://www.xbrl.org/2003/iso4217USDiso42170$33falsefalseUSDtruefalse{us-gaap_LongtermDebtTypeAxis} : Industrial revenue bonds due 2012-2040 [Member]
{dei_LegalEntityAxis} : Combined Exxon Mobil And Affiliates [Member]
1/1/2009 - 12/31/2009
Duration_1_1_2009_To_12_31_200943http://www.sec.gov/CIK0000034088duration2009-01-01T00:00:002009-12-31T00:00:00falsefalseIndustrial revenue bonds due 2012-2040 [Member]us-gaap_LongtermDebtTypeAxisxbrldihttp://xbrl.org/2006/xbrldixom_IndustrialRevenueBondsDueTwoThousandTwelveToTwoThousandFourtyMemberus-gaap_LongtermDebtTypeAxisexplicitMemberfalsefalseCombined Exxon Mobil And Affiliates [Member]dei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldixom_CombinedExxonMobilAndAffiliatesMemberdei_LegalEntityAxisexplicitMemberUnit14Standardhttp://www.xbrl.org/2003/instancepurexbrli0Unit12Standardhttp://www.xbrl.org/2003/iso4217USDiso42170$34falsefalseUSDtruefalse{us-gaap_LongtermDebtTypeAxis} : Other U.S. Dollar Obligations [Member]
{dei_LegalEntityAxis} : Combined Exxon Mobil And Affiliates [Member]
12/31/2010
USD ($)
$As_Of_12_31_2010313http://www.sec.gov/CIK0000034088instant2010-12-31T00:00:000001-01-01T00:00:00falsefalseOther U.S. Dollar Obligations [Member]us-gaap_LongtermDebtTypeAxisxbrldihttp://xbrl.org/2006/xbrldixom_OtherUSDollarObligationsMemberus-gaap_LongtermDebtTypeAxisexplicitMemberfalsefalseCombined Exxon Mobil And Affiliates [Member]dei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldixom_CombinedExxonMobilAndAffiliatesMemberdei_LegalEntityAxisexplicitMemberUnit12Standardhttp://www.xbrl.org/2003/iso4217USDiso42170Unit14Standardhttp://www.xbrl.org/2003/instancepurexbrli0USDUSD$35falsefalseUSDtruefalse{us-gaap_LongtermDebtTypeAxis} : Other U.S. Dollar Obligations [Member]
{dei_LegalEntityAxis} : Combined Exxon Mobil And Affiliates [Member]
12/31/2009
USD ($)
$As_Of_12_31_200914http://www.sec.gov/CIK0000034088instant2009-12-31T00:00:000001-01-01T00:00:00falsefalseOther U.S. Dollar Obligations [Member]us-gaap_LongtermDebtTypeAxisxbrldihttp://xbrl.org/2006/xbrldixom_OtherUSDollarObligationsMemberus-gaap_LongtermDebtTypeAxisexplicitMemberfalsefalseCombined Exxon Mobil And Affiliates [Member]dei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldixom_CombinedExxonMobilAndAffiliatesMemberdei_LegalEntityAxisexplicitMemberUnit12Standardhttp://www.xbrl.org/2003/iso4217USDiso42170Unit14Standardhttp://www.xbrl.org/2003/instancepurexbrli0USDUSD$36falsefalseUSDtruefalse{us-gaap_LongtermDebtTypeAxis} : Other Foreign Currency Obligations [Member]
{dei_LegalEntityAxis} : Combined Exxon Mobil And Affiliates [Member]
12/31/2010
USD ($)
$As_Of_12_31_2010322http://www.sec.gov/CIK0000034088instant2010-12-31T00:00:000001-01-01T00:00:00falsefalseOther Foreign Currency Obligations [Member]us-gaap_LongtermDebtTypeAxisxbrldihttp://xbrl.org/2006/xbrldixom_OtherForeignCurrencyObligationsMemberus-gaap_LongtermDebtTypeAxisexplicitMemberfalsefalseCombined Exxon Mobil And Affiliates [Member]dei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldixom_CombinedExxonMobilAndAffiliatesMemberdei_LegalEntityAxisexplicitMemberUnit12Standardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$37falsefalseUSDtruefalse{us-gaap_LongtermDebtTypeAxis} : Other Foreign Currency Obligations [Member]
{dei_LegalEntityAxis} : Combined Exxon Mobil And Affiliates [Member]
12/31/2009
USD ($)
$As_Of_12_31_2009133http://www.sec.gov/CIK0000034088instant2009-12-31T00:00:000001-01-01T00:00:00falsefalseOther Foreign Currency Obligations [Member]us-gaap_LongtermDebtTypeAxisxbrldihttp://xbrl.org/2006/xbrldixom_OtherForeignCurrencyObligationsMemberus-gaap_LongtermDebtTypeAxisexplicitMemberfalsefalseCombined Exxon Mobil And Affiliates [Member]dei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldixom_CombinedExxonMobilAndAffiliatesMemberdei_LegalEntityAxisexplicitMemberUnit12Standardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$38falsefalseUSDtruefalse{us-gaap_LongtermDebtTypeAxis} : Capitalized Lease Obligations [Member]
{dei_LegalEntityAxis} : Combined Exxon Mobil And Affiliates [Member]
12/31/2010
USD ($)
$As_Of_12_31_201031http://www.sec.gov/CIK0000034088instant2010-12-31T00:00:000001-01-01T00:00:00falsefalseCapitalized Lease Obligations [Member]us-gaap_LongtermDebtTypeAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_CapitalLeaseObligationsMemberus-gaap_LongtermDebtTypeAxisexplicitMemberfalsefalseCombined Exxon Mobil And Affiliates [Member]dei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldixom_CombinedExxonMobilAndAffiliatesMemberdei_LegalEntityAxisexplicitMemberUnit12Standardhttp://www.xbrl.org/2003/iso4217USDiso42170Unit14Standardhttp://www.xbrl.org/2003/instancepurexbrli0USDUSD$39falsefalseUSDtruefalse{us-gaap_LongtermDebtTypeAxis} : Capitalized Lease Obligations [Member]
{dei_LegalEntityAxis} : Combined Exxon Mobil And Affiliates [Member]
12/31/2009
USD ($)
$As_Of_12_31_200912http://www.sec.gov/CIK0000034088instant2009-12-31T00:00:000001-01-01T00:00:00falsefalseCapitalized Lease Obligations [Member]us-gaap_LongtermDebtTypeAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_CapitalLeaseObligationsMemberus-gaap_LongtermDebtTypeAxisexplicitMemberfalsefalseCombined Exxon Mobil And Affiliates [Member]dei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldixom_CombinedExxonMobilAndAffiliatesMemberdei_LegalEntityAxisexplicitMemberUnit12Standardhttp://www.xbrl.org/2003/iso4217USDiso42170Unit14Standardhttp://www.xbrl.org/2003/instancepurexbrli0USDUSD$40falsefalseUSDtruefalse{dei_LegalEntityAxis} : SeaRiver Maritime Financial Holdings, Inc. [Member]
12/31/2010
USD ($)
$As_Of_12_31_20107http://www.sec.gov/CIK0000034088instant2010-12-31T00:00:000001-01-01T00:00:00falsefalseSeaRiver Maritime Financial Holdings, Inc. [Member]dei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldixom_SeariverMaritimeFinancialHoldingsIncMemberdei_LegalEntityAxisexplicitMemberUnit12Standardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$41falsefalseUSDtruefalse{dei_LegalEntityAxis} : SeaRiver Maritime Financial Holdings, Inc. [Member]
12/31/2009
USD ($)
$As_Of_12_31_20097http://www.sec.gov/CIK0000034088instant2009-12-31T00:00:000001-01-01T00:00:00falsefalseSeaRiver Maritime Financial Holdings, Inc. [Member]dei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldixom_SeariverMaritimeFinancialHoldingsIncMemberdei_LegalEntityAxisexplicitMemberUnit12Standardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$42falsefalsetruefalse{dei_LegalEntityAxis} : Esso Thailand Public Company Ltd [Member]
1/1/2010 - 12/31/2010
Duration_1_1_2010_To_12_31_2010332http://www.sec.gov/CIK0000034088duration2010-01-01T00:00:002010-12-31T00:00:00falsefalseEsso Thailand Public Company Ltd [Member]dei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldixom_EssoThailandPublicCompanyLtdMemberdei_LegalEntityAxisexplicitMember43falsefalsetruefalse{dei_LegalEntityAxis} : Esso Thailand Public Company Ltd [Member]
1/1/2009 - 12/31/2009
Duration_1_1_2009_To_12_31_200942http://www.sec.gov/CIK0000034088duration2009-01-01T00:00:002009-12-31T00:00:00falsefalseEsso Thailand Public Company Ltd [Member]dei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldixom_EssoThailandPublicCompanyLtdMemberdei_LegalEntityAxisexplicitMember2false0us-gaap_OtherLongTermNotesPayableus-gaaptruecreditinstantNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsetruefalse4truefalsefalse1300000013falsetruefalsetruefalse5truefalsefalse23890000002389[1]falsetruefalsetruefalse6truefalsefalse21440000002144[1]falsetruefalsetruefalse7falsefalsefalse00falsefalsefalsetruefalse8falsefalsefalse00falsefalsefalsetruefalse9falsefalsefalse00falsefalsefalsetruefalse10falsefalsefalse00falsefalsefalsetruefalse11falsefalsefalse00falsefalsefalsetruefalse12falsefalsefalse00falsefalsefalsetruefalse13falsefalsefalse00falsefalsefalsetruefalse14falsefalsefalse00falsefalsefalsetruefalse15falsefalsefalse00falsefalsefalsetruefalse16falsefalsefalse00falsefalsefalsetruefalse17falsefalsefalse00falsefalsefalsetruefalse18falsefalsefalse00falsefalsefalsetruefalse19falsefalsefalse00falsefalsefalsetruefalse20falsefalsefalse00falsefalsefalsetruefalse21falsefalsefalse00falsefalsefalsetruefalse22falsefalsefalse00falsefalsefalsetruefalse23falsefalsefalse00falsefalsefalsetruefalse24falsefalsefalse00falsefalsefalsetruefalse25falsefalsefalse00falsefalsefalsetruefalse26falsefalsefalse00falsefalsefalsetruefalse27falsefalsefalse00falsefalsefalsetruefalse28falsefalsefalse00falsefalsefalsetruefalse29falsefalsefalse00falsefalsefalsetruefalse30falsefalsefalse00falsefalsefalsetruefalse31falsefalsefalse00falsefalsefalsetruefalse32falsefalsefalse00falsefalsefalsetruefalse33falsefalsefalse00falsefalsefalsetruefalse34falsefalsefalse00falsefalsefalsetruefalse35falsefalsefalse00falsefalsefalsetruefalse36falsefalsefalse00falsefalsefalsetruefalse37falsefalsefalse00falsefalsefalsetruefalse38falsefalsefalse00falsefalsefalsetruefalse39falsefalsefalse00falsefalsefalsetruefalse40falsefalsefalse00falsefalsefalsetruefalse41falsefalsefalse00falsefalsefalsetruefalse42falsefalsefalse00falsefalsefalsetruefalse43falsefalsefalse00falsefalsefalsetruefalseMonetaryxbrli:monetaryItemTypemonetaryCarrying value of the noncurrent portion of notes payable which were initially due after one year or beyond the normal operating cycle, if longer, and which are not otherwise defined in the taxonomy.Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 22
-Article 5
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-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 22
-Article 5
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-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 22
-Article 5
falsefalse5false0xom_OtherUsDollarObligationsxomfalsecreditinstantOther US Dollar 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amount of debt premium that was originally recognized at the issuance of the instrument that has yet to be amortized.Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher AICPA
-Name Accounting Principles Board Opinion (APB)
-Number 21
-Paragraph 16, 20
falsefalse8false0us-gaap_DebtInstrumentInterestRateStatedPercentageus-gaaptruenainstantNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsetruefalse00falsefalsefalsefalsefalse2falsetruefalse00falsefalsefalsefalsefalse3falsetruefalse00falsefalsefalsetruefalse4falsetruefalse00falsefalsefalsetruefalse5falsetruefalse00falsefalsefalsetruefalse6falsetruefalse00falsefalsefalsetruefalse7truetruefalse0.0750.075falsefalsefalsetruefalse8truetruefalse0.0590.059falsefalsefalsetruefalse9truetruefalse0.06250.0625falsefalsefalsetruefalse10truetruefalse0.046250.04625falsefalsefalsetruefalse11truetruefalse0.05750.0575falsefalsefalsetruefalse12truetruefalse0.0490.049falsefalsefalsetruefalse13truetruefalse0.050.05falsefalsefalsetruefalse14truetruefalse0.0530.053falsefalsefalsetruefalse15truetruefalse0.05650.0565falsefalsefalsetruefalse16truetruefalse0.06250.0625falsefalsefalsetruefalse17truetruefalse0.0550.055falsefalsefalsetruefalse18truetruefalse0.0650.065falsefalsefalsetruefalse19truetruefalse0.0610.061falsefalsefalsetruefalse20truetruefalse0.06750.0675falsefalsefalsetruefalse21truetruefalse0.063750.06375falsefalsefalsetruefalse22falsetruefalse00falsefalsefalsetruefalse23falsetruefalse00falsefalsefalsetruefalse24falsetruefalse00falsefalsefalsetruefalse25falsetruefalse00falsefalsefalsetruefalse26falsetruefalse00falsefalsefalsetruefalse27falsetruefalse00falsefalsefalsetruefalse28falsetruefalse00falsefalsefalsetruefalse29falsetruefalse00falsefalsefalsetruefalse30truetruefalse0.086250.08625falsefalsefalsetruefalse31truetruefalse0.086250.08625falsefalsefalsetruefalse32falsetruefalse00falsefalsefalsetruefalse33falsetruefalse00falsefalsefalsetruefalse34falsetruefalse00falsefalsefalsetruefalse35falsetruefalse00falsefalsefalsetruefalse36falsetruefalse00falsefalsefalsetruefalse37falsetruefalse00falsefalsefalsetruefalse38falsetruefalse00falsefalsefalsetruefalse39falsetruefalse00falsefalsefalsetruefalse40falsetruefalse00falsefalsefalsetruefalse41falsetruefalse00falsefalsefalsetruefalse42falsetruefalse00falsefalsefalsetruefalse43falsetruefalse00falsefalsefalsetruefalseOtherus-types:percentItemTypepureInterest rate stated in the contractual debt agreement.Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 22
-Article 5
falsefalse9false0us-gaap_DebtInstrumentMaturityDateus-gaaptruenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsetruefalsefalse2falsefalsefalse00falsefalsetruefalsefalse3falsefalsefalse002011-10-012011-10-01[1]falsefalsetruetruefalse4falsefalsefalse00falsefalsetruetruefalse5falsefalsefalse002012-09-012012-09-01[1]falsefalsetruetruefalse6falsefalsefalse002012-09-012012-09-01[1]falsefalsetruetruefalse7falsefalsefalse002012-04-152012-04-15falsefalsetruetruefalse8falsefalsefalse002012-08-012012-08-01falsefalsetruetruefalse9falsefalsefalse002013-04-152013-04-15falsefalsetruetruefalse10falsefalsefalse002013-06-152013-06-15falsefalsetruetruefalse11falsefalsefalse002013-12-152013-12-15falsefalsetruetruefalse12falsefalsefalse002014-02-012014-02-01falsefalsetruetruefalse13falsefalsefalse002015-01-312015-01-31falsefalsetruetruefalse14falsefalsefalse002015-06-302015-06-30falsefalsetruetruefalse15falsefalsefalse002016-04-012016-04-01falsefalsetruetruefalse16falsefalsefalse002017-08-012017-08-01falsefalsetruetruefalse17falsefalsefalse002018-06-152018-06-15falsefalsetruetruefalse18falsefalsefalse002018-12-152018-12-15falsefalsetruetruefalse19falsefalsefalse002036-04-012036-04-01falsefalsetruetruefalse20falsefalsefalse002037-08-012037-08-01falsefalsetruetruefalse21falsefalsefalse002038-06-152038-06-15falsefalsetruetruefalse22falsefalsefalse002035-05-182035-05-18falsefalsetruetruefalse23falsefalsefalse002035-05-182035-05-18falsefalsetruetruefalse24falsefalsefalse002034-09-152034-09-15falsefalsetruetruefalse25falsefalsefalse002034-09-152034-09-15falsefalsetruetruefalse26falsefalsefalse00falsefalsetruetruefalse27falsefalsefalse00falsefalsetruetruefalse28falsefalsefalse00falsefalsetruetruefalse29falsefalsefalse00falsefalsetruetruefalse30falsefalsefalse002021-08-152021-08-15falsefalsetruetruefalse31falsefalsefalse002021-08-152021-08-15falsefalsetruetruefalse32falsefalsefalse00falsefalsetruetruefalse33falsefalsefalse00falsefalsetruetruefalse34falsefalsefalse00falsefalsetruetruefalse35falsefalsefalse00falsefalsetruetruefalse36falsefalsefalse00falsefalsetruetruefalse37falsefalsefalse00falsefalsetruetruefalse38falsefalsefalse00falsefalsetruetruefalse39falsefalsefalse00falsefalsetruetruefalse40falsefalsefalse00falsefalsetruetruefalse41falsefalsefalse00falsefalsetruetruefalse42falsefalsefalse00falsefalsetruetruefalse43falsefalsefalse00falsefalsetruetruefalseOtherxbrli:dateItemTypedateDate when the debt instrument is scheduled to be fully repaid, which may be presented in a variety of ways (year, month and year, day, month and year, quarter, etc.).Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 22
-Article 5
Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 129
-Paragraph 2, 4
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-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 22
-Article 5
Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 129
-Paragraph 2, 4
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-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 22
-Article 5
Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 129
-Paragraph 2, 4
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-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 22
-Article 5
falsefalse13false0us-gaap_LongTermDebtAndCapitalLeaseObligationsus-gaaptruecreditinstantNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1truefalsefalse1222700000012227falsetruefalsefalsefalse2truefalsefalse71290000007129falsetruefalsefalsefalse3truefalsefalse1300000013[1],[8]falsetruefalsetruefalse4falsefalsefalse00falsefalsefalsetruefalse5falsefalsefalse00falsefalsefalsetruefalse6falsefalsefalse00falsefalsefalsetruefalse7falsefalsefalse00falsefalsefalsetruefalse8falsefalsefalse00falsefalsefalsetruefalse9falsefalsefalse00falsefalsefalsetruefalse10falsefalsefalse00falsefalsefalsetruefalse11falsefalsefalse00falsefalsefalsetruefalse12falsefalsefalse00falsefalsefalsetruefalse13falsefalsefalse00falsefalsefalsetruefalse14falsefalsefalse00falsefalsefalsetruefalse15falsefalsefalse00falsefalsefalsetruefalse16falsefalsefalse00falsefalsefalsetruefalse17falsefalsefalse00falsefalsefalsetruefalse18falsefalsefalse00falsefalsefalsetruefalse19falsefalsefalse00falsefalsefalsetruefalse20falsefalsefalse00falsefalsefalsetruefalse21falsefalsefalse00falsefalsefalsetruefalse22falsefalsefalse00falsefalsefalsetruefalse23falsefalsefalse00falsefalsefalsetruefalse24falsefalsefalse00falsefalsefalsetruefalse25falsefalsefalse00falsefalsefalsetruefalse26falsefalsefalse00falsefalsefalsetruefalse27falsefalsefalse00falsefalsefalsetruefalse28falsefalsefalse00falsefalsefalsetruefalse29falsefalsefalse00falsefalsefalsetruefalse30falsefalsefalse00falsefalsefalsetruefalse31falsefalsefalse00falsefalsefalsetruefalse32falsefalsefalse00falsefalsefalsetruefalse33falsefalsefalse00falsefalsefalsetruefalse34falsefalsefalse00falsefalsefalsetruefalse35falsefalsefalse00falsefalsefalsetruefalse36falsefalsefalse00falsefalsefalsetruefalse37falsefalsefalse00falsefalsefalsetruefalse38truefalsefalse304000000304[9]falsetruefalsetruefalse39truefalsefalse368000000368[9]falsetruefalsetruefalse40truefalsefalse23890000002389falsetruefalsetruefalse41truefalsefalse21570000002157falsetruefalsetruefalse42falsefalsefalse00falsefalsefalsetruefalse43falsefalsefalse00falsefalsefalsetruefalseMonetaryxbrli:monetaryItemTypemonetarySum of the carrying values as of the balance sheet date of all long-term debt, which is debt initially having maturities due after one year from the balance sheet date or beyond the operating cycle, if longer, but excluding the portions thereof scheduled to be repaid within one year or the normal operating cycle, if longer plus capital lease obligations due to be paid more than one year after the balance sheet date.Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 22
-Article 5
Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Staff Accounting Bulletin (SAB)
-Number Topic 6
-Section H
falsefalse1Additional information is provided for this subsidiary on the following pages. 2Average effective interest rate of 0.3% in 2010 and 0.3% in 2009. 3Average effective interest rate of 0.4% in 2010 and 0.9% in 2009. 4Average effective interest rate of 4.6% in 2010 and 5.4% in 2009. 5Average effective interest rate of 1.7% in 2010 and 2.2% in 2009. 6Average effective interest rate of 0.2% in 2010 and 0.2% in 2009. 7Average effective interest rate of 4.7% in 2010 and 5.0% in 2009. 8Average effective interest rate of 1.6% in 2009. 9Average imputed interest rate of 8.1% in 2010 and 8.8% in 2009. 4312Long-Term Debt (Schedule of Summarized Long-Term Debt) (Details) (USD $)MillionsUnKnownUnKnownUnKnowntruetrue
