2.2.0.25truefalse40401 - Disclosure - RESTRUCTURING (Narrative) (Details)truefalseIn Millions, unless otherwise specifiedfalse1falsefalseUSDfalsefalse1/1/2010 - 12/31/2010 USD ($) USD ($) / shares $Duration_1_1_2010_To_12_31_2010http://www.sec.gov/CIK0000014272duration2010-01-01T00:00:002010-12-31T00:00:00Unit1Standardhttp://www.xbrl.org/2003/iso4217USDiso42170Unit13Standardhttp://www.xbrl.org/2003/instancepurexbrli0Unit12Divide< MeasureSchema>http://www.xbrl.org/2003/iso4217USDiso4217http://www.xbrl.org/2003/instancesharesxbrli0Unit15Standardhttp://www.xbrl.org/2003/instancesharesxbrli0USDUSD$2falsefalseUSD< /CurrencyCode>falsefalse1/1/2009 - 12/31/2009 USD ($) USD ($) / shares $Duration_1_1_2009_To_12_31_2009http://www.sec.gov/CIK0000014272duration2009-01-01T00:00:002009-12-31T00:00:00Unit1Standardhttp://www.xbrl.org/2003/iso4217USDiso42170Unit15Standardhttp://www.xbrl.org/2003/instancesharesxbrli0Unit12Dividehttp://www.xbrl.org/2003/iso4217USDiso4217http://www.xbrl.org/2003/instancesharesxbrli0Unit13Standardhttp://www.xbrl.org/2003/instancepurexbrli0USDUSD$3falsefalseUSD< /CurrencyCode>falsefalse1/1/2008 - 12/31/2008 USD ($) USD ($) / shares $Duration_1_1_2008_To_12_31_20083http://www.sec.gov/CIK0000014272duration2008-01-01T00:00:002008-12-31T00:00:00Unit1Standardhttp://www.xbrl.org/2003/iso4217USDiso42170Unit15Standardhttp://www.xbrl.org/2003/instancesharesxbrli0Unit13Standardhttp://www.xbrl.org/2003/instancepurexbrli0Unit12Dividehttp://www.xbrl.org/2003/iso4217USDiso4217http://www.xbrl.org/2003/instancesharesxbrli0USDUSD$4falsefalseUSD truefalse{dei_LegalEntityAxis} : Latina, Italy [Member] 5/1/2010 - 5/31/2010 USD ($) $Duration_5_1_2010_To_5_31_20102http://www.sec.gov/CIK0000014272duration2010-05-01T00:00:002010-05-31T00:00:00falsefalseLatina, Italy [Member]dei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldibmy_LatinaItalyMemberdei_LegalEntityAxisexplicitMemberUnit1Standardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$5falsefalseUSDtruefalse{dei_LegalEntityAxis} : Latina, Italy [Member] 1/1/2010 - 12/31/2010 USD ($) $Duration_1_1_2010_To_12_31_201062http://www.sec.gov/CIK0000014272duration2010-01-01T00:00:002010-12-31T00:00:00falsefalseLatina, Italy [Member]dei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldibmy_LatinaItalyMemberdei_LegalEntityAxisexplicitMemberUnit1Standardhttp://www.xbrl.org/2003/iso4217USDiso42170Unit13Standardhttp://www.xbrl.org/2003/instancepurexbrli0USDUSD$6falsefalseEURtruefalse{dei_LegalEntityAxis} : Latina, Italy [Member] 1/1/2010 - 12/31/2010 EUR (&#x20ac;) Duration_1_1_2010_To_12_31_201062http://www.sec.gov/CIK0000014272duration2010-01-01T00:00:002010-12-31T00:00:00falsefalseLatina, Italy [Member]dei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldibmy_LatinaItalyMemberdei_LegalEntityAxisexplicitMemberUnit13Standardhttp://www.xbrl.org/2003/instancepurexbrli0Unit14Standardhttp://www.xbrl.org/2003/iso4217EURiso42170EUREUR5false0bmy_WorkforceReductionNumberOfPersonnelbmyfalsenadurationThe number of personne l receiving termination benefits for workforce reduction included in restructuring charges.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1truefalsefalse995995falsefalsefalsefalsefalse2truefalsefalse13501350falsefalsefalsefalsefalse3truefalsefalse23702370falsefalsefa lsefalsefalse4falsefalsefalse00falsefalsefalsetruefalse5falsefalsefalse00falsefalsefalsetruefalse6falsefalsefalse00falsefalsefalsetruefalseOtherxbrli:integerItemTypeintegerThe number of personnel receiving termination benefits for workforce reduction included in restructuring charges.No authoritative reference available.falsefalse6false0bmy_LossOnSaleOfManufacturingOperationbmyfalsedebitdurationThe total loss related to the disposal of manufacturing operations, including impairment charges, working capital...falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1truefalsefalse236000000236falsetruefalsefalsefalse2falsefalsefalse00&nbsp;&nbsp;falsefalsefalsefalse false3falsefalsefalse00&nbsp;&nbsp;falsefalsefalsefalsefalse4truefalsefalse218000000218falsetruef alsetruefalse5falsefalsefalse00falsefalsefalsetruefalse6falsefalsefalse00falsefalsefalsetruefalseMonetaryxbrli:monetaryItemTypemonetaryThe total loss related to the disposal of manufacturing operations, including impairment charges, working capital adjustments, and transaction related fees.No authoritative reference available.falsefalse7false0us-gaap_ImpairmentOfLongLivedAssetsToBeDisposedOfus-gaaptruedebitdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4falsefalsefalse00falsefalsefalsetruefalse5truefalsefalse200000000200falsefalsefalsetruefalse6falsefalsefalse00falsefalsefalsetruefalseMonetaryxbrli:monetaryItemTypemonetaryThe aggregate amount of write-downs for impairments recognized during the period for long-lived assets held for abandonment, exchange or sale.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 144 -Paragraph 27, 28, 29, 30 falsefalse8false0bmy_WorkingCapitalAdjustmentsAndTransactionRelatedFeesbmyfalsedebitdurationExpense recognized related to working capital adjustments and transaction related fees on the loss on sale of manufacturing...falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4falsefalsefalse00falsefalsefalsetruefalse5truefalsefalse1800000018falsefalsefalsetruefalse6falsefalsefalse00falsefalsefalsetruefalseMonetaryxbrli:monetaryItemTypemonetaryExpense recognized related to working capital adjustments and transaction related fees on the loss on sale of manufacturing operations.No authoritative reference available.falsefalse9false0us-gaap_NotesAndLoansReceivableGrossNoncurrentus-gaaptruedebitinstantNo definition available. falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1falsefalsefalse00falsefalsefalsefalsefalse2< IsNumeric>falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4falsefalsefalse00falsefalsefalsetruefalse5truefalsefalse2200000022falsefalsefalsetruefalse6truefalsefalse1800000018falsefalsefalsetruefalseMonetaryxbrli:monetaryItemTypemonetaryAn amount representing an agreement for an unconditional promise by the maker to pay the Entity (holder) a definite sum of money at a future date(s) more than one year from the balance sheet date. Such amount may include accrued interest receivable in accordance with the terms of the debt. The debt also may contain provisions and related items inclu ding a discount or premium, payable on demand, secured, or unsecured, interest bearing or noninterest bearing, among myriad other features and characteristics.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 17 -Article 5 falsefalse10false0bmy_NoteReceivableInterestRatebmyfalsenadurationReflects the interest rate as of the balance sheet date on interest-bearing note receivables.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsetruefalse00falsefalsefalsefalsefalse2falsetruefalse00falsefalsefalsefalsefalse3falsetruefalse00falsefalsefalsefalsefalse4falsetruefalse00falsefalsefalsetruefalse5truetruefalse0.060.06falsefalsefalsetruefalse6truetruefalse0.060.06falsefalsefalsetruefalseOtherus-types:percentItemTypepureReflects the interest rate as of the balance sheet date on interest-bearing note receivables.No authoritative reference available.falsefalse11false0bmy_ContingentChargesToFundThirdPartyRestructuringbmyfalsedebitdurationAdditional contingent charges related to an obligation to fund a portion of restructuring costs of a third party subject to...falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse< /DisplayZeroAsNone>00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4falsefalsefalse00falsefalsefalsetruefalse5truefalsefalse2300000023falsetruefalsetruefalse6truefalsefalse1900000019falsetruefalsetruefalseMonetaryxbrli:monetaryItemTypemonetaryAdditional contingent charges related to an obligation to fund a portion of restructuring costs of a third party subject to the terms of the asset sales agreement.No authoritative reference available.falsefalse12false0bmy_SupplyAgreementYearsbmyfalsenadurationThe number of years in the supply agreement.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4falsefalsefalse00falsefalsefalsetruefalse5truefalsefalse11falsefalsefalsetruefalse6truefalsefalse11falsefalsefalsetruefalseOtherxbrli:positiveIntegerItemTypepositiveintegerThe number of years in the supply agreement.No authoritative reference available.falsefalse13false0bmy_TollingAndManfacturingAgreementYearsbmyfalsenadurationThe number of years in the tolling and manufacturing agreement.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4falsefalsefalse00falsefalsefalsetruefals e5truefalsefalse33falsefalsefalsetruefalse6truefalsefalse33falsefalsefalsetruefalseOtherxbrli:positiveIntegerItemTypepositiveintegerThe number of years in the tolling and manufacturing agreement.No authoritative reference available.falsefalse14false0bmy_TollingAgreeementExtensionPeriodMaximumbmyfalsenadurationThe term, in years, that the tolling agreement can be extended.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4falsefalsefalse00 falsefalsefalsetruefalse5truefalsefalse22falsefalsefalsetruefalse6truefalsefalse22falsefalsefalsetruefalseOtherxbrli:integerItemTypeintegerThe term, in years, that the tolling agreement can be extended.No authoritative reference available.falsefalse610RESTRUCTURING (Narrative) (Details)MillionsUnKnownUnKnownUnKnowntruetrue