Licensing Arrangements

No definition available.

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- Definition

Litigation Settlement, Number Of Payments

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

Litigation Settlement, Number Of Shares Transferred

+ References

No definition available.

+ Details

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Balance Type:	na
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- Definition

Loss Contingency, Litigations, Number

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	instant

- Definition

Amount awarded from other party in judgment or settlement of litigation.

+ References

No definition available.

+ Details

Name:	us-gaap_LitigationSettlementAmountAwardedFromOtherParty
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of litigation expense, including but not limited to legal, forensic, accounting, and investigative fees.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03(6))
-SubTopic 10
-Topic 220
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2

+ Details

Name:	us-gaap_LitigationSettlementExpense
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Cash received for the settlement of litigation during the current period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 25
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-25

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

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Namespace Prefix:
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- Details

Name:	srt_LitigationCaseAxis=bmy_AZABMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Namespace Prefix:
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- Details

Name:	dei_LegalEntityAxis=bmy_BeiGeneMember
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OTHER (INCOME)/EXPENSE, NET - Narrative (Details) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended		38 Months Ended
	Sep. 30, 2024 USD ($)	Sep. 30, 2023 USD ($)	Sep. 30, 2024 USD ($)	Sep. 30, 2023 USD ($)	Sep. 30, 2026 USD ($) payment	Aug. 31, 2023 shares	Jul. 31, 2023 lawsuit
Nimbus Therapuetics TYK2 Inhibitor
Licensing Arrangements [Line Items]
Proceeds from legal settlements				$ 400
AZ AB
Licensing Arrangements [Line Items]
Number of litigations \| lawsuit							2
Settlement amount	$ 384		$ 384
AZ AB \| Forecast
Licensing Arrangements [Line Items]
Settlement amount					$ 560
Number of payments \| payment					4
Proceeds from legal settlements					$ 418
BeiGene
Licensing Arrangements [Line Items]
Litigation settlement, number of shares transferred (in shares) \| shares						23.3
Litigation settlement expense		$ 322		$ 322