2.2.0.25truefalse40503 - Disclosure - ACQUISITIONS (Adjusted Purchase Price Allocation) (Details)truefalseIn Millions, unless otherwise specifiedfalse1falsefalseUSDtruefalse{us-gaap_SubsequentEventTypeAxis} : Celldex Therapeutics, Inc. [Member]
{dei_LegalEntityAxis} : Medarex Acquisition [Member]
1/1/2009 - 12/31/2009
USD ($)
$Duration_1_1_2009_To_12_31_20094http://www.sec.gov/CIK0000014272duration2009-01-01T00:00:002009-12-31T00:00:00falsefalseCelldex Therapeutics, Inc. [Member]us-gaap_SubsequentEventTypeAxisxbrldihttp://xbrl.org/2006/xbrldibmy_CelldexTherapeuticsIncMemberus-gaap_SubsequentEventTypeAxisexplicitMemberfalsefalseMedarex Acquisition [Member]<
ValueType>dei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldibmy_MedarexAcquisitionMemberdei_LegalEntityAxisexplicitMemberUnit13Standardhttp://www.xbrl.org/2003/instancepurexbrli0Unit1Standardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$<
Label Id="2" Label="Dec. 31, 2009" />2falsefalseUSDtruefalse{us-gaap_SubsequentEventTypeAxis} : Celldex Therapeutics, Inc. [Member]
{dei_LegalEntityAxis} : Medarex Acquisition [Member]
{us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis} : Genmab [Member]
1/1/2009 - 12/31/2009
USD ($)
$Duration_1_1_2009_To_12_31_20092211http://www.sec.gov/CIK0000014272duration2009-01-01T00:00:002009-12-31T00:00:00falsefalseCelldex Therapeutics, Inc. [Member]us-gaap_SubsequentEventTypeAxisxbrldihttp://xbrl.org/2006/xbrldibmy_CelldexTherapeuticsIncMemberus-gaap_SubsequentEventTypeAxisexplicitMemberfalsefalseMedarex Acquisition [Member]dei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldibmy_MedarexAcquisitionMemberdei_LegalEntityAxisexplicitMemberfalsefalseGenmab [Member]us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxisxbrldihttp://xbrl.org/2006/xbrldibmy_GenmabMemberus-gaap_FiniteLivedIntangibleAssetsByMajorClassAxisexplicitMemberUnit1Standardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$3falsefalseUSDtruefalse{us-gaap_SubsequentEventTypeAxis} : YERVOY [Member]
{dei_LegalEntityAxis} : Medarex Acquisition [Member]
{us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis} : In-Process Research and Development [Member]
12/31/2009
USD ($)
$As_Of_12_31_200942http://www.sec.gov/CIK0000014272instant2009-12-31T00:00:000001-01-01T00:00:00falsefalseYERVOY [Member]us-gaap_SubsequentEventTypeAxisxbrldihttp://xbrl.org/2006/xbrldibmy_YervoyMemberus-gaap_SubsequentEventTypeAxisexplicitMemberfalsefalseMedarex Acquisition [Member]dei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldibmy_MedarexAcquisitionMemberdei_LegalEntityAxisexplicitMemberfalsefalseIn-Process Research and Development [Member]us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxisxbrldihttp://xbrl.org/2006/xbrldibmy_InProcessResearchAndDevelopmentMemberus-gaap_FiniteLivedIntangibleAssetsByMajorClassAxisexplicitMemberUnit1Standardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$4falsefalseUSDtruefalse{us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis} : Licenses [Member]
{dei_LegalEntityAxis} : Medarex Acquisition [Member]
10/1/2009 - 12/31/2009
Duration_10_1_2009_To_12_31_2009222http://www.sec.gov/CIK0000014272duration2009-10-01T00:00:002009-12-31T00:00:00falsefalseLicenses [Member]us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxisxbrldihttp://xbrl.org/2006/xbrldibmy_LicensesMemberus-gaap_FiniteLivedIntangibleAssetsByMajorClassAxisexplicitMemberfalsefalseMedarex Acquisition [Member]dei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldibmy_MedarexAcquisitionMemberdei_LegalEntityAxisexplicitMemberUnit13Standardhttp://www.xbrl.org/2003/instancepurexbrli0Unit1Standardhttp://www.xbrl.org/2003/iso4217USDiso42170$5falsefalseUSDtruefalse{us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis} : Technology [Member]
{dei_LegalEntityAxis} : Medarex Acquisition [Member]
10/1/2009 - 12/31/2009
Duration_10_1_2009_To_12_31_2009223http://www.sec.gov/CIK0000014272duration2009-10-01T00:00:002009-12-31T00:00:00falsefalseTechnology [Member]us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxisxbrldihttp://xbrl.org/2006/xbrldibmy_TechnologyMemberus-gaap_FiniteLivedIntangibleAssetsByMajorClassAxisexplicitMemberfalsefalseMedarex Acquisition [Member]dei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldibmy_MedarexAcquisitionMemberdei_LegalEntityAxisexplicitMemberUnit13Standardhttp://www.xbrl.org/2003/instancepurexbrli0Unit1Standardhttp://www.xbrl.org/2003/iso4217USDiso42170$6falsefalseUSDtruefalse{dei_LegalEntityAxis} : Medarex Acquisition [Member]
{us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis} : Genmab [Member]
1/1/2009 - 12/31/2009
USD ($)
$Duration_1_1_2009_To_12_31_20095http://www.sec.gov/CIK0000014272duration2009-01-01T00:00:002009-12-31T00:00:00falsefalseMedarex Acquisition [Member]dei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldibmy_MedarexAcquisitionMemberdei_LegalEntityAxisexplicitMemberfalsefalseGenmab [Member]us-gaap_FiniteLivedIntangibleAssetsByM
ajorClassAxisxbrldihttp://xbrl.org/2006/xbrldibmy_GenmabMemberus-gaap_FiniteLivedIntangibleAssetsByMajorClassAxisexplicitMemberUnit1Standardhttp://www.xbrl.org/2003/iso4217USDiso42170Unit13Standardhttp://www.xbrl.org/2003/instancepurexbrli0USDUSD$7falsefalseUSDtruefalse{dei_LegalEntityAxis} : Medarex Acquisition [Member]
10/1/2009 - 12/31/2009
USD ($)
$Duration_10_1_2009_To_12_31_200926http://www.sec.gov/CIK0000014272duration2009-10-01T00:00:002009-12-31T00:00:00falsefalseMedarex Acquisition [Member]dei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldibmy_MedarexAcquisitionMemberdei_LegalEntityAxisexplicitMemberUnit1Standardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$2false0us-gaap_BusinessAcquisitionCostOfAcquiredEntityCashPaidus-gaaptruedebitinstantNo definition available.falsefalsefalsefalsefalsefalsefalse
falsefalsefalseterselabel1falsefalsefalse00falsefalsefalsetruefalse2falsefalsefalse00falsefalsefalsetruefalse3falsefalsefalse00falsefalsefalsetruefalse4falsefalsefalse00falsefalsefalsetruefalse5falsefalsefalse00falsefalsefalsetruefalse6falsefalsefalse00falsefalsefalsetruefalse7truefalsefalse22850000002285falsetruefalsetruefalseMonetaryxbrli:monetaryItemTypemonetaryAmount of cash paid to acquire the entity.Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 141R
-Paragraph 68
-Subparagraph f(1)
Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 141
-Paragraph 51
-Subparagraph d
falsefalse3false0us-gaap_BusinessCombinationStepAcquisitionEquityInterestInAcquireeFairValueus-gaaptruedebitinstantNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1fals
efalsefalse00falsefalsefalsetruefalse2falsefalsefalse00falsefalsefalsetruefalse3falsefalsefalse00falsefalsefalsetruefalse4falsefalsefalse00falsefalsefalsetruefalse5false<
IsRatio>falsefalse00falsefalsefalsetruefalse6falsefalsefalse00falsefalsefalsetruefalse7true
falsefalse4600000046[1]falsefalsefalsetruefalseMonetaryxbrli:monetaryItemTypemonetaryIn a business combination achieved in stages, this element represents the acquisition-date fair value of the equity interest in the acquiree held by the acquirer immediately before the acquisition date.Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 141R
-Paragraph 68
-Subparagraph q(1)
falsefalse4false0us-gaap_BusinessCombinationConsiderationTransferredIncludingEquityInterestInAcquireeHeldPriorToCombinationus-gaaptruedebitinstantNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalsetotallabel1falsefalsefalse00falsefalsefalsetruefalse2falsefalsefalse00falsefalsefalset
ruefalse3falsefalsefalse00falsefalsefalsetruefalse4falsefalsefalse00falsefalsefalsetruefalse5falsefalsefalse00falsefalsefalsetruefalse6falsefalsefalse00falsefalsefalsetruefalse7truefalsefalse23310000002331falsefalsefalsetruefalseMonetaryxbrli:monetaryItemTypemonetaryThis element represents the sum of the: (1) acquisition-date fair value of the total consideration transferred which consists of the sum of the acquisition-date fair values of the assets transferred by the acquirer, the liabilities incurred by the acquirer to former owners of the
acquiree, and the equity interests issued by the acquirer and (2) the acquisition-date fair value of any equity interest in the acquiree held by the acquirer prior to the business combination (for example, a step acquisition).Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 141R
-Paragraph 68
-Subparagraph f
Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 141R
-Paragraph 68
-Subparagraph q
-Clause 1
truefalse5false0us-gaap_BusinessAcquisitionPurchasePriceAllocationCurrentAssetsCashAndCashEquivalentsus-gaaptruedebitinstantNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1falsefalsefalse00falsefalsefalsetruefalse2falsefalsefalse00falsefalsefalsetruefalse3fal
sefalsefalse00falsefalsefalsetruefalse4falsefalsefalse00falsefalsefalsetruefalse5falsefalsefalse00falsefalsefalsetruefalse6falsefalsefalse00falsefalsefalsetruefalse7true<
IsRatio>falsefalse5300000053falsefalsefalsetruefalseMonetaryxbrli:monetaryItemTypemonetaryThe amount of cash and cash equivalents acquired in a business combination.Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 141
-Paragraph 51
-Subparagraph e
falsefalse6false0us-gaap_BusinessAcquisitionPurchasePriceAllocationCurrentAssetsMarketableSecuritiesus-gaaptruedebitinstantNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00falsefalsefalsetruefalse2falsefalsefalse00falsefalsefalsetruefalse3false<
IsRatio>falsefalse00falsefalsefalsetruefalse4falsefalsefalse00falsefalsefalsetruefalse5falsefalsefalse00falsefalsefalsetruefalse6falsefalsefalse00falsefalsefalsetruefalse7truefalse
IsRatio>false269000000269falsefalsefalsetruefalseMonetaryxbrli:monetaryItemTypemonetaryThe amount of acquisition cost of a business combination allocated to marketable securities.Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Statement of Financial Accounting Standard (FAS)
-Number 141
-Paragraph 51
-Subparagraph e
Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 141
-Paragraph 37
-Subparagraph a
falsefalse7false0bmy_BusinessAcquisitionPurchasePriceAllocationOtherCurrentAndNonCurrentAssetsbmyfalsedebitinstantThe amount of acquisition cost of a business combination allocated to other current and other noncurrent assets.falsefalsefalsefalsefalsefalsefalsefalsefalsefalsev
erboselabel1falsefalsefalse00falsefalsefalsetruefalse2falsefalsefalse00falsefalsefalsetruefalse3falsefalsefalse00falsefalsefalsetruefalse4falsefalsefalse00falsefalsefalsetruefalse5falsefalsefalse00falsefalsefalsetruefalse6falsefalsefalse00falsefalsefalsetruefalse7truefalsefalse127000000127[2]falsefalsefalsetruefalseMonetaryxbrli:monetaryItemTypemonetaryThe amount of acquisition cost of a business combination allocated to other current and other noncurrent assets.No authoritative reference available.falsefalse8false0us-gaap_BusinessAcquisitionPurchasePriceAllocationIntangibleAssetsNotAmortizableus-gaaptruedebitinstantNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1falsefalsefalse00falsefalsefalsetruefalse2falsefalsefalse00falsefalsefalsetruefalse3truefalsefalse10000000001000falsefalsefalsetruefalse4falsefalsefalse00falsefalsefalsetruefalse5falsefalsefalse00falsefalsefalsetruefalse6falsefalsefalse00falsefalsefalsetruefalse7truefalsefalse14750000001475[3]falsefalsefalsetruefalseMonetaryxbrli:monetaryItemTypemonetaryThe amount of acquisition cost of a business combination allocated to an identifiable intangible asset that will not be amortized. Does not include goodwill.Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 141
-Paragraph 51
-Subparagraph e
Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 141
-Paragraph 52
-Subparagraph b
falsefalse9false0us-gaap_BusinessAcquisitionPurchasePriceAllocationAmortizableIntangibleAssetsus-gaaptruedebitinstantNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1falsefalsefalse00falsefalsefalsetruefalse2falsefalsefalse00falsefalsefalsetruefalse3falsefalsefalse00falsefalsefalsetruefalse4truefalsefalse315000000315[4]falsefalsefalsetruefalse<
Cell>5truefalsefalse120000000120[5]falsefalsefalsetruefalse6falsefalsefalse00falsefalsefalsetruefalse
hasScenarios>7falsefalsefalse00falsefalsefalsetruefalseMonetaryxbrli:monetaryItemTypemonetaryThe amount of acquisition cost of a business combination allocated to an identifiable intangible asset that will be amortized.Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Statement of Financial Accounting Standard (FAS)
-Number 141
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Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 141
-Paragraph 51
-Subparagraph e
falsefalse10false0bmy_BusinessAcquisitionPurchasePriceAllocationShortTermBorrowingsbmyfalsecreditinstantThe amount of acquisition cost of a business combination allocated to short term borrowings assumed from the acquired entity.falsefalsefalsefalsefalsefalsefalsefalsefalsetrueneg
ated1falsefalsefalse00falsefalsefalsetruefalse2falsefalsefalse00falsefalsefalsetruefalse3falsefalsefalse00falsefalsefalsetruefalse4falsefalsefalse00falsefalsefalsetruefalse5falsefalsefalse00falsefalsefalsetruefalse6falsefalsefalse00falsefalsefalsetruefalse7truefalsefalse-92000000-92falsefalsefalsetruefalseMonetaryxbrli:monetaryItemTypemonetaryThe amount of acquisition cost of a business combination allocated to short term borrowings assumed from the acquired entity.No authoritative reference available.falsefalse11false0bmy_BusinessAcquisitionPurchasePriceAllocationOtherCurrentAndNoncurrentLiabilitiesbmyfalsecreditinstantThe amount of acquisition cost of a business combination allocated to other current and noncurrent liabilities of the...falsefalsefalsefalsefalsefalsefalsefalsefalsetruenegated1fa
lsefalsefalse00falsefalsefalsetruefalse2falsefalsefalse00falsefalsefalsetruefalse3falsefalsefalse00falsefalsefalsetruefalse4falsefalsefalse00falsefalsefalsetruefalse5falsefalsefalse00falsefalsefalsetruefalse6falsefalsefalse00falsefalsefalsetruefalse7truefalsefalse-92000000-92falsefalsefalsetruefalseMonetaryxbrli:monetaryItemTypemonetaryThe amount of acquisition cost of a business combination allocated to other current and noncurrent liabilities of the acquired entity.No authoritative reference available.falsefalse12false0bmy_BusinessAcquisitionPurchasePriceAllocationDeferredIncomeTaxesbmyfalsecreditinstantThe amount of acquisition cost of a business combination allocated to deferred income tax assets/liabilities.falsefalsefalsefalsefalsefalsefalsefalsefalsetruenegated1falsefalsefalse00falsefalsefalsetruefalse2falsefalsefalse00falsefalsefalsetruefalse3falsefalsefalse00falsefalsefalsetruefalse4falsefalsefalse00falsefalsefalsetruefalse5falsefalsefalse00falsefalsefalsetruefalse6falsefalsefalse00falsefalsefalsetruefalse7truefalsefalse-3520
00000-352falsefalsefalsetruefalseMonetaryxbrli:monetaryItemTypemonetaryThe amount of acquisition cost of a business combination allocated to deferred income tax assets/liabilities.No authoritative reference available.falsefalse13false0us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcqui
redAndLiabilitiesAssumedNetus-gaaptruedebitinstantNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1falsefalsefalse00falsefalsefalsetruefalse2falsefalsefalse00falsefalsefalsetruefalse3falsefalsefalse00falsefalsefalsetruefalse4falsefalsefalse00falsefalsefalsetruefalse5falsefalsefalse00falsefalsefalsetruefalse6falsefalsefalse00falsefalsefalsetruefalse7truefalsefalse18230000001823falsefalsefalsetruefalseMonetaryxbrli:monetaryItemTypemonetaryThe net amount recognized as of the acquisition date for the aggregate identifiable assets acquired in excess of or less than the aggregate liabilities assumed.Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 141R
-Paragraph 68
-Subparagraph i
falsefalse14false0us-gaap_BusinessAcquisitionPurchasePriceAllocationGoodwillAmountus-gaaptruedebitinstantNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1fals
efalsefalse00falsefalsefalsetruefalse2falsefalsefalse00falsefalsefalsetruefalse3falsefalsefalse00falsefalsefalsetruefalse4falsefalsefalse00falsefalsefalsetruefalse5false<
IsRatio>falsefalse00falsefalsefalsetruefalse6falsefalsefalse00falsefalsefalsetruefalse7true
falsefalse508000000508falsefalsefalsetruefalseMonetaryxbrli:monetaryItemTypemonetaryAmount of goodwill arising from a business combination, which is the excess of the cost of the acquired entity over the amounts assigned to assets acquired and liabilities assumed.Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 141
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-Subparagraph c
Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 141
-Paragraph 53
-Subparagraph d
falsefalse15false0us-gaap_BusinessCombinationStepAcquisitionEquityInterestInAcquireeRemeasurementGainOrLossus-gaaptruecreditdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00falsefalsefalsetruefalse2falsefalsefalse00falsefalsefalsetruefalse3false
falsefalse00falsefalsefalsetruefalse4falsefalsefalse00falsefalsefalsetruefalse5falsefalsefalse00falsefalsefalsetruefalse6falsefalsefalse00falsefalsefalsetruefalse7truefalsefalse2100000021falsefalsefalsetruefalseMonetaryxbrli:monetaryItemTypemonetaryIn a business combination achieved in stages, this element represents the amount of gain or loss recognized by the entity as a result of re measuring to fair value the equity interest in the acquiree it held before the business combination.Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 141R
-Paragraph 48
Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 141R
-Paragraph 68
-Subparagraph q(2)
falsefalse16false0bmy_BusinessAcquisitionPurchasePriceAllocationOtherCurrentAndNonCurrentAssetsOwnershipPercentagebmyfalsenadurationThe ownership interest percentage in certain investments which are allocated to other current and noncurrent assets as part...falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1truetruefalse0.1870.187falsefalsefalsetruefalse2falsetruefalse00falsefalsefalsetruefalse3falsetruefalse00falsefalsefalsetruefalse4falsetruefalse00falsefalsefalsetruefalse5falsetruefalse00falsefalsefalsetruefalse6truetruefalse0.0510.051falsefalsefalsetruefalse7falsetruefalse00falsefalsefalsetruefalseOtherus-types:percentItemTypepureThe ownership interest percentage in certain investments which are allocated to other current and noncurrent assets as part of the acquisition cost of a business combination.No authoritative re
ference available.falsefalse17false0bmy_BusinessAcquisitionPurchasePriceAllocationOtherCurrentAndNoncurrentAssetsOwnershipValuebmyfalsecreditdurationThe value of ownership interest in certain investments which are allocated to other current and noncurrent assets as part of...falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1truefalsefalse1700000017falsefalsefalsetruefalse2falsefalsefalse00falsefalsefalsetruefalse3falsefalsefalse00falsefalsefalsetruefalse4falsefalsefalse00falsefalsefalse
truefalse5falsefalsefalse00falsefalsefalsetruefalse6truefalsefalse6400000064falsefalsefalse
truefalse7falsefalsefalse00falsefalsefalsetruefalseMonetaryxbrli:monetaryItemTypemonetaryThe value of ownership interest in certain investments which are allocated to other current and noncurrent assets as part of the acquisition cost of a business combination.No authoritative reference av
ailable.falsefalse18false0bmy_LossOnSaleOfOwnershipInterestbmyfalsedebitdurationThe loss recognized in earnings related to the sale of ownership interest in certain investments.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1falsefalsefalse00falsefalsefalsetruefalse2truefalsefalse3300000033falsetruefalsetruefalse3falsefalsefalse00falsefalsefalsetruefalse4falsefalsefalse00falsefalsefalsetruefalse5falsefalsefalse00falsefalsefalsetruefalse6falsefalsefalse00falsefalsefalsetruefalse7falsefalsefalse00falsefalsefalsetruefalseMonetaryxbrli:monetaryItemTypemonetaryThe loss recognized in earnings related to the sale of ownership interest in certain investments.No authoritative reference available.falsefalse19
false0us-gaap_FiniteLivedIntangibleAssetsUsefulLifeus-gaaptruenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00falsefalsefalsetruefalse2falsefalsefalse00falsefalsefalsetruefalse3falsefalsefalse00falsefalsefalsetruefalse4truefalsefalse1313falsefalsefalsetruefalse5truefalsefalse1010falsefalsefalsetruefalse6falsefalsefalse00falsefalsefalsetruefalse7falsefalsefalse00falsefalsefalsetruefalseOtherxbrli:integerItemTypeintegerThe useful life of all finite-lived intangible assets. This may be stated as a fixed number (for example, 10 years) if all assets have the same useful life, or it can be stated in a range (for example, six to eight years) if there is a range of useful lives in the asset group.Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 142
-Paragraph 12, 13, 14
falsefalse1Other income of approximately $21 million was recognized from the remeasurement to fair value of the equity interest in Medarex held at the acquisition date. 2Includes a 5.1% ownership interest in Genmab ($64 million) and an 18.7% ownership in Celldex Therapeutics, Inc. ($17 million), which have been subsequently sold as of December 31, 2009 for a loss of $33 million. 3Includes approximately $1.0 billion related to YERVOY. 4Amortized over 13 years. 5Amortized over 10 years. 718ACQUISITIONS (Adjusted Purchase Price Allocation) (Details) (Medarex Ac
quisition [Member], USD $)MillionsUnKnownUnKnownUnKnowntruetrue