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ruefalse0.058750.05875falsefalsefalsetruefalse6truetruefalse0.043750.04375falsefalsefalsetruefalse7truetruefalse0.043750.04375falsefalsefalsetruefalse8truetruefalse0.046250.04625falsefalsefalsetruefalse9 truetruefalse0.046250.04625falsefalsefalsetruefalse10truetruefalse0.05450.0545falsefalsefalsetruefalse11truetruefalse0.05450.0545falsefalsefalsetruefalse12truetruefalse0.05250.0525falsefalsefalsetruefalse13truetruefalse0.05250.0525falsefalsefalsetruefalse14truetruefalse0.05250.0525falsefalsefalsetruefalse 15truetruefalse0.061250.06125falsefalsefalsetruefalse16truetruefalse0.061250.06125falsefalsefalsetruefalse 17truetruefalse0.0680.068falsefalsefalsetruefalse18truetruefalse0.0680.068falsefalsefalsetruefalse19truetruefalse0.07150.0715falsefalsefalsetruefalse20truetruefalse0.07150.0715falsefalsefalsetrue< hasScenarios>false21truetruefalse0.07150.0715falsefalsefalsetruefalse22truetruefalse0.06880.0688falsefalsefalsetruefalse23truetruefalse0.06880.0688falsefalsefalsetruefalse24truetruefalse0.06880.0688falsefalsefalsetruefalse25falsetruefalse00falsefalsefalsetruefalse26falsetruefalse00falsefalsefalsetrue falseOtherus-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 falsefalse8false0us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMinimumus-gaaptruenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsetruefalse4falsefalsefalse00falsefalsefalsetruefalse5fal sefalsefalse00falsefalsefalsetruefalse6falsefalsefalse00falsefalsefalsetruefalse7falsefalsefalse00falsefalsefalsetruefalse8falsefalsefalse00falsefalsefalsetruefalse9false falsefalse00falsefalsefalsetruefalse10falsefalsefalse00falsefalsefalsetruefalse11falsefalsefalse00falsefalsefalsetruefalse12falsefalsefalse00falsefalsefalsetruefalse13falsef alsefalse00falsefalsefalsetruefalse14falsefalsefalse00falsefalsefalsetruefalse15falsefalse< /IsRatio>false00falsefalsefalsetruefalse16falsefalsefalse00falsefalsefalsetruefalse17falsefalsefalse00falsefalsefalsetruefalse18falsefalsefalse00falsefalsefalsetruefalse19falsefalse< DisplayZeroAsNone>false00falsefalsefalsetruefalse20falsefalsefalse00falsefalsefalsetruefalse21falsefalsefalse00falsefalsefalsetruefalse22falsefalsefalse00falsefalsefalsetruefalse23falsefalsefalse00falsefalsefalsetruefalse24falsefalsefalse00falsefalsefalsetruefalse25truefalsefalse00falsefalsefalsetruefalse26truefalsefalse00falsefalsefalsetruefalseOtherxbrli:pureItemTy pepureWhen presenting a range of interest rates, the lowest stated (contractual) rate for funds borrowed under the debt agreement as of 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 falsefalse9false0us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMaximumus-gaaptruenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsetruefalse4falsefalsefalse00falsefalsefalsetruefalse5falsefalsefalse00falsefalsefalsetruefalse6falsefalsefalse00falsefalsefalsetruefalse7f alsefalsefalse00falsefalsefalsetruefalse8falsefalsefalse00falsefalsefalsetruefalse9falsefalsefalse00falsefalsefalsetruefalse10falsefalsefalse00falsefalsefalsetruefalse11falsefalsefalse00falsefalsefalsetruefalse12falsefalsefalse00falsefalsefalsetruefalse13false< IsRatio>falsefalse00falsefalsefalsetruefalse14falsefalsefalse00falsefalsefalsetruefalse15falsefalsefalse00falsefalsefalsetruefalse16falsefalsefalse00falsefalsefalsetruefalse17falsefa lsefalse00falsefalsefalsetruefalse18falsefalsefalse00falsefalsefalsetruefalse19falsefalsefalse00falsefalsefalsetruefalse20falsefalsefalse00falsefalsefalsetruefalse21falsefalsefalse00falsefalsefalsetruefalse22falsefalsefalse00falsefalsefalsetruefalse23falsefalsefalse00falsefalsefalsetruefalse24falsefalsefalse00falsefalsefalsetruefalse25truefalsefalse5.755.75falsefalsefalsetruefalse26truefalsefalse5.755.75falsefalsefalsetruefalseOtherxbrli:pureItemTypepureWhen presenting a range of interest rates, the highest stated (contractual) rate for funds borrowed under the debt agreement as of 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 falsefalse10false0bmy_DebtInstrumentDueDatebmyfalsenadurationDebt Instrument Due Datefalsefalsefalsefalsefalsefalsefalsefalsefalsefalselabel1falsefals efalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00<font class="_mt">2036</font>2036falsefalsefalsetruefalse4falsefalsefalse00falsefalsefalsetruefalse5falsefalsefalse00falsefalsefalsetruefalse6falsefalsefalse00<font class="_mt">2016</font>2016falsefalsefalsetruefalse7falsefalsefalse00falsefalsefalsetruefalse8falsefalsefalse00<font class="_mt">2021</font>2021falsefalsefalsetruefalse9falsefalsefalse00falsefalsefalsetruefalse10falsefalsefalse00<font class="_mt">2018</font>2018< CurrencySymbol />falsefalsefalsetruefalse11falsefalsefalse00falsefalsefalsetruefalse12falsefalsefalse00<font class="_mt">2013</font>2013falsefalsefalsetruefalse13falsefalsefalse00falsefalsefalsetruefalse14falsefalsefalse00falsefalsefalsetruefalse15falsefalsefalse00<font class="_mt">2038</font>2038falsefalsefalsetruefalse16falsefalsefalse00falsefalsefalsetruefalse17falsefalsefalse00<font class="_mt">2026</font>2026falsefalsefalsetruefalse18falsefalsefalse00falsefalsefalsetruefalse19falsefalsefalse00<font class="_mt">2023</font>2023falsefalsefalsetruefalse20falsefalsefalse00falsefalsefalsetruefalse21falsefalsefalse00falsefalsefalsetruefalse22falsefalsefalse00<font class="_mt">2097</font>2097falsefalsefalsetruefalse23falsefalsefalse00falsefalsefalsetruefalse24falsefalsefalse00falsefalsefalsetruefalse25falsefalsefalse00falsefalsef alsetruefalse26falsefalsefalse002023-20302023-2030falsefalsefalsetruefalseOtherus-types:dateStringItemTypenormalizedstringDebt Instrument Due DateNo authoritative reference available.falsefalse269SHORT-TERM BORROWINGS AND LONG-TERM DEBT (Long-Term Debt) (Details) (USD $)NoRoundingUnKnownUnKnownUnKnowntruetrue