2.2.0.25truefalse40601 - Disclosure - MEAD JOHNSON NUTRITION COMPANY INITIAL PUBLIC OFFERING (Details)truefalseIn Millions, except Per Share data, unless otherwise specifiedfalse1falsefalseUSDtruefalse{dei_LegalEntityAxis} : Mead Johnson [Member]
2/1/2009 - 2/28/2009
Duration_2_1_2009_To_2_28_2009http://www.sec.gov/CIK0000014272duration2009-02-01T00:00:002009-02-28T00:00:00falsefalseMead Johnson [Member]dei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldibmy_MeadJohnsonMemberdei_LegalEntityAxisexplicitMemberUnit15Standardhttp://www.xbrl.org/2003/instancesharesxbr
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1/1/2010 - 12/31/2010
USD ($)
$Duration_1_1_2010_To_12_31_201053http://www.sec.gov/CIK0000014272duration2010-01-01T00:00:002010-12-31T00:00:00falsefalseMead Johnson [Member]dei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldibmy_MeadJohnsonMemberdei_LegalEntityAxisexplicitMemberUnit1Standardhttp://www.xbrl.org/2003/iso4217USDiso42170Unit13Standardhttp://www.xbrl.org/2003/instancepurexbrli0Unit15Standardhttp://www.xbrl.org/2003/instancesharesxbrli0USDUSD$1false0us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction<
/ElementName>us-gaaptruenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1truefalsefalse3450000034.5falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalseSharesxbrli:sharesItemTypesharesThe number of shares issued or sold by the subsidiary or equity method investee per stock transaction.Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Staff Accounting Bulletin (SAB)
-Number Topic 5
-Section H
falsefalse2false0us-gaap_SaleOfStockPricePerShareus-gaaptruenainstantNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1truefalsefalse2424falsetruefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalseEPSus
- -types:perShareItemTypedecimalThe dollar amount received by subsidiary or equity investee for each share of common stock issued or sold in the stock transaction.Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Staff Accounting Bulletin (SAB)
-Number Topic 5
-Section H
falsetrue3false0us-gaap_SaleOfStockConsiderationReceivedOnTransactionus-gaaptruedebitdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1false<
IsRatio>falsefalse00falsefalsefalsefalsefalse2truefalsefalse782000000782falsetruefalsefalsefalse<
Unit>Monetaryxbrli:monetaryItemTypemonetaryCash received on stock transaction after deduction of issuance costs.Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Staff Accounting Bulletin (SAB)
-Number Topic 5
-Section H
falsefalse4false0bmy_SaleOfSubsidiaryStockIssuanceCostsbmyfalsedebitdurationThe amount of issuance costs deducted from total proceeds on the subsidiary sale of stock transaction.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00falsefalsefalsefalsefalse2truefalsefalse4600000046falsetruefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe amount of issuance costs deducted from total proceeds on the subsidiary sale of stock transaction.No authoritative reference available.falsefalse5false0us-gaap_SaleOfStockPercentageOfOwnershipAfterTransactionus-gaaptruenadurationNo definition available.falsefalsefalsefalse<
IsTuple>falsefalsefalsefalsefalsefalseverboselabel1falsetruefalse00falsefalsefalsefalsefalse2truetruefalse0.8310
.831falsefalsefalsefalsefalseOtherus-types:percentItemTypepurePercentage of subsidiary's or equity investee's stock owned by parent company after stock transaction.Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Staff Accounting Bulletin (SAB)
-Number Topic 5
-Section H
falsefalse6false0bmy_CombinedVotingPowerOfOutstandingSubsidiaryCommonStockbmyfalsenadurationPercentage of subsidiary's combined voting interest in outstanding common stock owned by the parent company after the stock...falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsetruefalse00falsefalsefalsefalsefalse2truetruefalse0.9750.975falsefalsefalsefalsefalseOtherus-types:percentItemTypepurePercentage of subsidiary's combined voting interest in outstanding common stock owned by the parent company after the stock transaction.No authoritative reference available.falsefalse7false0natruenanaNo definition available.falsetruefalsefalsefalsefalsefalsefalsefalsefalsehttp://www.bms.com/taxonomy/role/disclosuremeadjohnsonnutritioncompanyinitialpublicofferingdetails1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse1falsefalsetruefalse{us-gaap_StatementClassOfStockAxis} : Class A Common Stock [Member]
{dei_LegalEntityAxis} : Mead Johnson [Member]
1/1/2010 - 12/31/2010
Duration_1_1_2010_To_12_31_2010742http://www.sec.gov/CIK0000014272duration2010-01-01T00:00:002010-12-31T00:00:00falsefalseClass A Common Stock [Member]us-gaap_StatementClassOfStockAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_CommonClassAMemberus-gaap_StatementClassOfStockAxisexplicitMemberfalsefalseMead Johnson [Member]dei_LegalEntityAxis
xbrldihttp://xbrl.org/2006/xbrldibmy_MeadJohnsonMemberdei_LegalEntityAxisexplicitMemberUnit15Standardhttp://www.xbrl.org/2003/instancesharesxbrli0OthernaNo definition available.No authoritative reference available.falsefalse8false0bmy_SaleOfSubsidiarySharesRetainedbmyfalsenadurationThe number of subsidiary's stock owned by parent company after stock transaction.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1falsefalsefalse00falsefalsefalsefalsefalse2truefalsefalse4230000042.3falsefalsefalsefalsefalseSharesxbrli:sharesItemTypesharesThe number of subsidiary's stock owned by parent company after stock transaction.No authoritative reference available.falsefalse9false0natruenanaNo definition available.falsetruefalsefalsefalsefalsefalsefalsefalsefalsehttp://www.bms.com/taxonomy/role/disclosuremeadjohnsonnutritioncompanyinitialpublicofferingdetails1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse2falsefalsetruefalse{us-gaap_StatementClassOfStockAxis} : Class B Common Stock [Member]
{dei_LegalEntityAxis} : Mead Johnson [Member]
1/1/2010 - 12/31/2010
Duration_1_1_2010_To_12_31_2010743http://www.sec.gov/CIK0000014272duration2010-01-01T00:00:002010-12-31T00:00:00falsefalseClass B Common Stock [Member]us-gaap_StatementClassOfStockAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_CommonClassBMemberus-gaap_StatementClassOfStockAxisexplicitMemberfalsefalseMead Johnson [Member]dei_LegalEntityAxis
xbrldihttp://xbrl.org/2006/xbrldibmy_MeadJohnsonMemberdei_LegalEntityAxisexplicitMemberUnit15Standardhttp://www.xbrl.org/2003/instancesharesxbrli0OthernaNo definition available.No authoritative reference available.falsefalse10false0bmy_SaleOfSubsidiarySharesRetainedbmyfalsenadurationThe number of subsidiary's stock owned by parent company after stock transaction.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1falsefalsefalse00falsefalsefalsefalsefalse2truefalsefalse127700000127.7falsefalsefalsefalsefalseSharesxbrli:sharesItemTypesharesThe number of subsidiary's stock owned by parent company after stock transaction.No authoritative reference available.falsefalse210MEAD JOHNSON NUTRITION COMPANY INITIAL PUBLIC OFFERING (Details) (Mead Johnson [Member], USD $)MillionsHundredThousandsNoRoundingUnKnowntruetrue
