2.2.0.25truefalse42004 - Disclosure - EQUITY (Reconciliation of Noncontrolling Interest) (Details)truefalseIn Millionsfalse1falsefalseUSDfalsefalse12/31/2010 USD ($) USD ($) / shares $As_Of_12_31_2010http://www.sec.gov/CIK0000014272instant2010-12-31T00:00:000001-01-01T00:00:00Unit1Standardhttp://www.xbrl.org/2003/iso4217USDiso42170Unit12Dividehttp://www.xbrl.org/2003/iso4217USDiso4217http://www.xbrl.org/2003/instancesharesxbrli0Unit15Standardhttp://www.xbrl.org/2003/instancesharesxbrli0Unit13Standardhttp://www.xbrl.org/2003/instancepurexbrli0USDUSD$2falsefalseUSDfalsefalse12/31/2009 USD ($) USD ($) / shares $As_Of_12_31_2009http://www.sec.gov/CIK0000014272instant2009-12-31T00:00:000001-01-01T00:00:00Unit1Standardhttp://www.xbrl.org/2003/iso4217USDiso42170Unit15Standardhttp://www.xbrl.org/2003/instancesharesxbrli0Unit12Divide http://www.xbrl.org/2003/iso4217USDiso4217http://www.xbrl.org/2003/instancesharesxbrli0USDUSD$3falsefalseUSDtruefalse{us-gaap_StatementEquityComponentsAxis} : Noncontrolling Interest [Member] 12/31/2010 USD ($) $As_Of_12_31_20103170http://www.sec.gov/CIK0000014272instant2010-12-31T00:00:000001-01-01T00:00:00falsefalseNoncontrolling Interest [Member]us-gaap_StatementEquityComponentsAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_NoncontrollingInterestMemberus-gaap_StatementEquityComponentsAxisexplicitMemberUnit1Standardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$4falsefalseUSDtruefalse{us-gaap_StatementEquityComponentsAxis} : Noncontrolling Interest [Member] 12/31/2009 USD ($) $As_Of_12_31_20097250http://www.sec.gov/CIK0000014272instant2009-12-31T00:00:000001-01-01T00:00:00falsefalseNoncontrolling Interest [Member]us-gaap_StatementEquityComponentsAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_NoncontrollingInterestMemberus-gaap_StatementEquityComponentsAxisexplicitMemberUnit1Standardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$5falsefalseUSDtruefalse{us-gaap_StatementEquityComponentsAxis} : Noncontrolling Interest [Member] 12/31/2008 USD ($) $As_Of_12_31_200829http://www.sec.gov/CIK0000014272instant2008-12-31T00:00:000001-01-01T00:00:00falsefalseNoncontrolling Interest [Member]us-gaap_StatementEquityComponentsAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_NoncontrollingInterestMemberus-gaap_StatementEquityComponentsAxisexplicitMemberUnit1Standardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$6falsefalseUSDtruefalse{us-gaap_StatementEquityComponentsAxis} : Noncontrolling Interest [Member] 12/31/2007 USD ($) $As_Of_12_31_20072http://www.sec.gov/CIK0000014272instant2007-12-31T00:00:000001-01-01T00:00:00falsefalseNoncontrolling Interest [Member]us-gaap_StatementEquityComponentsAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_NoncontrollingInterestMemberus-gaap_StatementEquityComponentsAxisexplicitMemberUnit1Standardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$7falsefalseUSDtruefalse{us-gaap_StatementEquityComponentsAxis} : Mead Johnson Initial Public Offering [Member] 12/31/2009 USD ($) $As_Of_12_31_200910http://www.sec.gov/CIK0000014272instant2009-12-31T00:00:000001-01-01T00:00:00falsefalseMead Johnson Initial Public Offering [Member]us-gaap_StatementEquityComponentsAxisxbrldihttp://xbrl.org/2006/xbrldibmy_MeadJohnsonInitialPublicOfferingMemberus-gaap_StatementEquityComponentsAxisexplicitMemberUnit1Standardhttp://www.xbrl.org/20 03/iso4217USDiso42170USDUSD$8falsefalseUSDtruefalse{us-gaap_StatementEquityComponentsAxis} : Adjustments to the Mead Johnson Net Asset Transfer [Member] 12/31/2009 USD ($) $As_Of_12_31_20099http://www.sec.gov/CIK0000014272instant2009-12-31T00:00:000001-01-01T00:00:00falsefalseAdjustments to the Mead Johnson Net Asset Transfer [Member]us-gaap_StatementEquityComponentsAxisxbrldihttp://xbrl.org/2006/xbrldibmy_AdjustmentsToMeadJohnsonNetAssetTransferMemberus-gaap_StatementEquityComponentsAxisexplicitMemberUnit1Standardh ttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$9falsefalseUSDtruefalse{us-gaap_StatementEquityComponentsAxis} : Net Earnings Attributable to Noncontrolling Interest [Member] 12/31/2010 USD ($) $As_Of_12_31_2010213http://www.sec.gov/CIK0000014272instant2010-12-31T00:00:000001-01-01T00:00:00falsefalseNet Earnings Attributable to Noncontrolling Interest [Member]us-gaap_StatementEquityComponentsAxisxbrldihttp://xbrl.org/2006/xbrldibmy_NetEarningsAttributableToNoncontrollingInterestMemberus-gaap_StatementEquityComponentsAxisexplicitMemberUnit1Standardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$10falsefalseUSDtruefalse{us-gaap_StatementEquityComponentsAxis} : Net Earnings Attributable to Noncontrolling Interest [Member] 12/31/2009 USD ($) $As_Of_12_31_20098http://www.sec.gov/CIK0000014272instant2009-12-31T00:00:000001-01-01T00:00:00falsefalseNet Earnings Attributable to Noncontrolling Interest [Member]us-gaap_StatementEquityComponentsAxisxbrldihttp://xbrl.org/2006/xbrldibmy_NetEarningsAttributableToNoncontrollingInterestMemberus-gaap_StatementEquityComponentsAxisexplicitMemberUnit1Standardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$11falsefalseUSDtruefalse{us-gaap_StatementEquityComponentsAxis} : Net Earnings Attributable to Noncontrolling Interest [Member] 12/31/2008 USD ($) $As_Of_12_31_20083http://www.sec.gov/CIK0000014272instant2008-12-31T00:00:000001-01-01T00:00:00falsefalseNet Earnings Attributable to Noncontrolling Interest [Member]us-gaap_StatementEquityComponentsAxisxbrldihttp://xbrl.org/2006/xbrldibmy_NetEarningsAttributableToNoncontrollingInterestMemberus-gaap_StatementEquityComponentsAxisexplicitMemberUnit1Standardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$12falsefalseUSDtruefalse{us-gaap_StatementEquityComponentsAxis} : Other Comprehensive Income Attributable to Noncontrolling Interest [Member] 1/1/2009 - 12/31/2009 USD ($) $Duration_1_1_2009_To_12_31_20092289http://www.sec.gov/CIK0000014272duration2009-01-01T00:00:002009-12-31T00:00:00falsefalseOther Comprehensive Income Attributable to Noncontrolling Interest [Member]us-gaap_StatementEquityComponentsAxisxbrldihttp://xbrl.org/2006/xbrldibmy_OtherComprehensiveIncomeAttributableToNoncontrollingInterestMemberus-gaap_StatementEquityComponentsAxisexplicitMemberUnit1Standardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$13falsefalseUSDtruefalse{us-gaap_StatementEquityComponentsAxis} : Distributions [Member] 1/1/2010 - 12/31/2010 USD ($) $Duration_1_1_2010_To_12_31_2010745http://www.sec.gov/CIK0000014272duration2010-01-01T00:00:002010-12-31T00:00:00falsefalseDistributions [Member]us-gaap_StatementEquityComponentsAxisxbrldihttp://xbrl.org/2006/xbrldibmy_DistributionsMemberus-gaap_StatementEquityComponentsAxisexplicitMemberUnit1Standardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$14falsefalseUSDtruefalse{us-gaap_StatementEquityComponentsAxis} : Distributions [Member] 1/1/2009 - 12/31/2009 USD ($) $Duration_1_1_2009_To_12_31_20092283http://www.sec.gov/CIK0000014272duration2009-01-01T00:00:002009-12-31T00:00:00falsefalseDistributions [Member]us-gaap_StatementEquityComponentsAxisxbrldihttp://xbrl.org/2006/xbrldibmy_DistributionsMemberus-gaap_StatementEquityComponentsAxisexplicitMemberUnit1Standardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$15falsefalseUSDtruefalse{us-gaap_StatementEquityComponentsAxis} : Distributions [Member] 1/1/2008 - 12/31/2008 USD ($) $Duration_1_1_2008_To_12_31_20083215http://www.sec.gov/CIK0000014272duration2008-01-01T00:00:002008-12-31T00:00:00falsefalseDistributions [Member]us-gaap_StatementEquityComponentsAxisxbrldihttp://xbrl.org/2006/xbrldibmy_DistributionsMemberus-gaap_StatementEquityComponentsAxisexplicitMemberUnit1Standardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$16falsefalseUSDtruefalse{us-gaap_StatementEquityComponentsAxis} : Mead Johnson [Member] 1/1/2009 - 12/31/2009 USD ($) $Duration_1_1_2009_To_12_31_20096http://www.sec.gov/CIK0000014272duration2009-01-01T00:00:002009-12-31T00:00:00falsefalseMead Johnson [Member]us-gaap_StatementEquityComponentsAxisxbrldihttp://xbrl.org/2006/xbrldibmy_MeadJohnsonMemberus-gaap_StatementEquityComponentsAxisexplicitMemberUnit1Standardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$2false0us-gaap_MinorityInterestus-gaaptruecreditinstantNo definition available.falsefalsefalsefalsefalsefalsefalsetruefalsefalseperiodstartlabel1truefalsefalse7500000075falsetruefalsefalsefalse2truefalsefalse5800000058falsetruefalsefalsefalse3truefalsefalse-75000000-75falsetruefalsetruefalse4truefalsefalse-58000000-58falsetruefalsetruefalse5truefalsefalse-33000000-33falsetruefalsetruefalse6truefalsefalse-27000000-27falsetruefalsetruefalse7falsefalsefalse00falsefalsefalsetruefalse8falsefalsefalse00< CurrencySymbol />falsefalsefalsetruefalse9falsefalsefalse00falsefalsefalsetruefalse10falsefalsefalse00falsefalsefalsetruefalse11falsefalsefalse00falsefalsefalsetruefalse12falsefalsefalse00falsefalsefalsetruefalse13falsefalsefalse00falsefalsefalsetruefalse14falsefalsefalse00falsefalsefalsetruefalse15falsefalsefalse00falsefalsefalsetruefalse16falsefalsefalse00falsefalsefalsetruefalseMonetaryxbrli:monetaryItemTypemonetaryTotal of all Stockholders' Equity (deficit) items, net of receivables from officers, directors owners, and affiliates of the entity which is directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest).Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 27 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 20 -Article 7 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 26 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 38 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph A3 -Appendix A falsefalse3false0bmy_NoncontrollingInterestSubsidiaryIpobmyfalsecreditinstantThe change in noncontrolling interest attributable to the initial public offering of a subsidiary.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsetruefalse4falsefalsefalse00falsefalsefalsetruefalse5 falsefalsefalse00falsefalsefalsetruefalse6falsefalsefalse00falsefalsefalsetruefalse7truefalsefalse-160000000-160falsefalsefalsetruefalse8falsefalsefalse00falsefalsefalsetruefalse9falsefalsefalse00falsefalsefalsetruefalse10falsefalsefalse00falsefalsefalsetruefalse11falsefalsefalse00falsefalsefalsetruefalse12falsefalsefalse00falsefalsefalsetruefalse13falsefalsefalse00falsefalsefalsetruefalse14falsefalsefalse00falsefalsefalsetruefalse15fa lsefalsefalse00falsefalsefalsetruefalse16falsefalsefalse00falsefalsefalsetruefalseMonetaryxbrli:monetaryItemTypemonetaryThe change in noncontrolling interest attributable to the initial public offering of a subsidiary.No authoritative reference available.falsefalse4false0bmy_NonControllingInterestSplitOffNetAssetTransferbmyfalsecreditinstantThe change in noncontrolling interest during the period attributable to adjustments to the net asset transfer related to a...falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsetruefalse4falsefalsefalse00falsefalsefalsetruefalse5falsefalsefalse00falsefalsefalsetruefalse6falsefalsefalse00falsefalsefalsetruefalse7falsefalsefalse00falsefalsefalsetruefalse8truefalsefalse70000007falsefalsefalsetruefalse9falsefalsefalse00falsefalsefalsetruefalse10falsefalsefalse00falsefalsefalsetruefalse11falsefalsefalse00falsefalsefalsetruefalse12falsefalsefalse00falsefalsefalsetruefalse13falsefalsefalse00falsefalsefalsetruefalse14falsefalsefalse00falsefalsefalsetruefalse15falsefalsefalse00falsefalsefalsetruefalse16falsefalsefalse00falsefalsefalsetruefalseMonetaryxbrli:monetaryItemTypemonetaryThe change in noncontrolling interest during the period attributable to adjustments to the net asset transfer related to a split-off transaction.No authoritative reference available.falsefalse5false0bmy_ChangeInNoncontrollingInterestSplitOffbmyfalsecreditdurationThis element represents the change in noncontrolling interest related to the split-off transaction.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00 falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsetruefalse4falsefalsefalse00falsefalsefalsetruefalse5falsefalsefalse00falsefalsefalsetruefalse6falsefalsefalse00falsefalsefalsetruefalse7falsefalsefalse00< IsIndependantCurrency>falsefalsefalsetruefalse8falsefalsefalse00falsefalsefalsetruefalse9falsefalsefalse00falsefalsefalsetruefalse10falsefalsefalse00falsefalsefalsetruefalse11falsefalsefalse00falsefalsefalsetruefalse12falsefalsefalse00falsefalsefalsetruefalse13falsefalsefalse00falsefalsefalsetruefalse14falsefalsefalse00falsefalsefalsetruefalse15falsefalsefalse00 falsefalsefalsetruefalse16truefalsefalse105000000105falsefalsefalsetruefalseMonetaryxbrli:monetaryItemTypemonetaryThis element represents the change in noncontrolling interest related to the split-off transaction.No authoritative reference available.falsefalse6false0bmy_NetEarningsNoncontrollingInterestbmyfalsecreditinstantThe portion of net income (loss) attributable to the noncontrolling interest (if any) deducted in order to derive the portion...falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalse falsefalsefalse3falsefalsefalse00falsefalsefalsetruefalse4falsefalsefalse00falsefalsefalse< /DisplayDateInUSFormat>truefalse5falsefalsefalse00falsefalsefalsetruefalse6falsefalsefalse00falsefalsefalsetruefalse7falsefalsefalse00falsefalsefalsetruefalse8falsefalsefalse00falsefalsefalsetruefalse9truefalsefalse20910000002091falsefalsefalsetruefalse10truefalsefalse18080000001808falsefalsefals etruefalse11truefalsefalse14680000001468falsefalsefalsetruefalse12falsefalsefalse00falsefalsefalsetruefalse13falsefalsefalse00falsefalsefalsetruefalse14falsefalsefalse00falsefalsefal setruefalse15falsefalsefalse00falsefalsefalsetruefalse16falsefalsefalse00falsefalsefalsetruefalseMonetaryxbrli:monetaryItemTypemonetaryThe portion of net income (loss) attributable to the noncontrolling interest (if any) deducted in order to derive the portion attributable to the parent.No authoritative reference available.falsefalse7false0us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterestus-gaaptruedebitdurationNo definition available.< /ShortDefinition>falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1falsefalsefalse00falsefalsefalsefalsefalse 2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsetruefalse 4falsefalsefalse00falsefalsefalsetruefalse5falsefalsefalse00falsefalsefalsetruefalse6falsefalsefalse00falsefalsefalsetruefalse7falsefalsefalse00falsefalsefalsetruefalse8falsefalsefalse00falsefalsefalsetruefalse9falsefalsefalse00falsefalsefalsetruefalse10falsefalsefalse00falsefalsefalsetruefalse11falsefalsefalse00falsefalsefalsetruefalse12true falsefalse1000000010falsefalsefalsetruefalse13falsefalsefalse00falsefalsefalsetruefalse14fa lsefalsefalse00falsefalsefalsetruefalse15falsefalsefalse00falsefalsefalsetruefalse16falsefalsefalse00falsefalsefalsetruefalseMonetaryxbrli:monetaryItemTypemonetaryThis element represents Other Comprehensive Income (Loss), Net of Tax, for the period attributable to noncontrolling interest. Includes deferred gains (losses) on qualifying hedges, unrealized holding gains (losses) on available-for-sale securities, minimum pension liability, and cumulative translation adjustment.Reference 1: ht tp://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 38 -Subparagraph c(3) Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 29, 30 falsefalse8false0us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHoldersus-gaaptruedebitdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsetruefalse4falsefalsefalse00falsefalsefalsetruefalse5falsefalsefalse00falsefalsefalsetruefalse6falsefalsefalse00falsefalsefalsetruefalse7falsefalsefalse00falsefalsefalsetruefalse8falsefalsefalse00falsefalsefalsetruefalse 9falsefalsefalse00falsefalsefalsetruefalse10falsefalsefalse00falsefalsefalsetruefalse11 falsefalsefalse00falsefalsefalsetruefalse12falsefalsefalse00falsefalsefalsetruefalse13 truefalsefalse-2108000000-2108falsefalsefalsetruefalse14truefalsefalse-1795000000-1795falsefalsefalsetruefalse15truefalsefalse-1474000000-1474falsefalsefalsetruefalse16falsefalsefalse00falsefalsefalsetruefalseMonetaryxbrli:monetaryItemTypemonetaryDecrease in noncontrolling interest balance from payment of dividends or other distributions to noncontrolling interest holders.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 38 -Subparagraph c(2) falsefalse9false0us-gaap_MinorityInterestus-gaaptruecreditinstantNo definition available.falsefalsefalsefalsefalsefalsefalsefalsetruefalseperiodendlabel1truefalse false7500000075falsetruefalsefalsefalse2truefalsefalse5800000058falsetruefalsefalsefalse3truefalsefalse-75000000-75falsetruefalsetruefalse4truefalsefalse-58000000-58falsetruefalsetruefalse5truefalsefalse-33000000-33falsetruefalsetruefalse6truefalsefalse-27000000-27falsetruefalsetruefalse7falsefalsefalse00falsefalsefalsetruefalse8falsefalsefalse00falsefalsefalsetruefalse9falsefalse false00falsefalsefalsetruefalse10falsefalsefalse00falsefalsefalsetruefalse11falsefalsefalse00falsefalsefalsetruefalse12falsefalsefalse00falsefalsefalsetruefalse13falsefalsefalse00falsefalsefalsetruefalse14falsefalsefalse00falsefalsefalsetruefalse15falsefalsefalse00falsefalsefalsetruefalse16falsefalsefalse00falsefalsefalsetruefalseMonetaryxbrli:mone taryItemTypemonetaryTotal of all Stockholders' Equity (deficit) items, net of receivables from officers, directors owners, and affiliates of the entity which is directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest).Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 27 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 20 -Article 7 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 26 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 38 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph A3 -Appendix A falsefalse168EQUITY (Reconciliation of Noncontrolling Interest) (Details) (USD $)MillionsUnKnownUnKnownUnKnownfalsetrue