RECEIVABLES - Additional Information (Details) $ in Millions	9 Months Ended
Sep. 30, 2025 USD ($) customer	Sep. 30, 2024 USD ($)	Dec. 31, 2024 customer
Account Receivables [Line Items]
Non-U.S. receivables sold on a nonrecourse basis \| $	$ 267	$ 387
Number of largest pharmaceutical wholesalers \| customer	3		3
Customer Concentration Risk
Account Receivables [Line Items]
Percent of aggregate total trade receivables due from three pharmaceutical wholesalers	73.00%		74.00%

The number of the largest pharmaceutical wholesalers used by the company in the territory.

No definition available.

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- Definition

The percentage of aggregate trade receivables due from customers accounting for more than 10% of total trade receivables.

+ References

No definition available.

+ Details

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- Definition

The amount of receivables sold on a nonrecourse basis during the year.

+ References

No definition available.

+ Details

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Namespace Prefix:	bmy_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 310
-SubTopic 20
-Name Accounting Standards Codification
-Section 40
-Paragraph 7
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481628/310-20-40-7

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481990/310-10-45-2

+ Details

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Period Type:	duration

- Details

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