Entity tax identification number Entity Tax Identification Number Investment, fair value EBP, Investment, Fair Value Rollover contributions EBP, Change in Net Asset Available for Benefit, Increase from Participant Contribution, Rollover Maximum Maximum [Member] Forfeited nonvested account, decrease from administrative expense EBP, Forfeited Nonvested Account, Decrease from Administrative Expense Legal Entity [Axis] Legal Entity [Axis] Statistical Measurement [Domain] Statistical Measurement [Domain] EBP, Description of Plan [Table] EBP, Description of Plan [Table] Mutual Funds Mutual Fund [Member] Total Fully Corrected Under VFCP and PTE 2002-51 EBP, Schedule of Delinquent Participant Contribution, Corrected Subsequent Event Subsequent Event [Member] EBP, Related Party and Party-in-Interest Transactions [Table] EBP, Related Party and Party-in-Interest Transactions [Table] EBP, Fully Benefit-Responsive Investment Contract [Table] EBP, Fully Benefit-Responsive Investment Contract [Table] Self-Directed Brokerage Accounts EBP, Self-Directed Brokerage Account [Member] Total deductions EBP, Change in Net Asset Available for Benefit, Decrease Note receivable from participant, account, maximum borrowing, amount EBP, Note Receivable from Participant, Account, Maximum Borrowing, Amount FAIR VALUE MEASUREMENT EBP, Investment, Fair Value and NAV [Text Block] Employer stock fund, maximum investment, percentage EBP, Employer Stock Fund, Maximum Investment, Percentage EBP, Employer Stock Fund, Maximum Investment, Percentage Participant contribution, automatic contribution increase, minimum percentage EBP, Participant Contribution, Automatic Contribution Increase, Percentage EBP, Participant Contribution, Automatic Contribution Increase, Percentage Participant contribution, default investment alternative, retirement age EBP, Participant Contribution, Default Investment Alternative, Retirement Age EBP, Participant Contribution, Default Investment Alternative, Retirement Age EBP, Fully Benefit-Responsive Investment Contract [Abstract] Subsequent Event Type [Domain] Subsequent Event Type [Domain] Money Market Funds Money Market Funds [Member] Matching Tear One EBP, Matching Tier One [Member] EBP, Matching Tier One Program's Interest in Master Trust EBP, Nonconsolidated, Plan Interest in Master Trust [Member] Level 1 Fair Value, Inputs, Level 1 [Member] Reconciliation to Form 5500 EBP, Reconciliation of Financial Statement to Form 5500 [Table Text Block] FIXED INCOME FUND EBP, Fully Benefit-Responsive Investment Contract [Text Block] EBP, Investment, Fair Value and NAV [Abstract] Assets: EBP, Asset [Abstract] Statistical Measurement [Axis] Statistical Measurement [Axis] Additions: EBP, Change in Net Asset Available for Benefit, Increase [Abstract] EBP, Statement of Change in Net Asset Available for Benefit [Table] EBP, Statement of Change in Net Asset Available for Benefit [Table] Net transfers out of Plan EBP, Change in Net Asset Available for Benefit, Transfer to (from) Plan EBP, Master Trust [Line Items] EBP, Master Trust [Line Items] Termination of employment and payment of benefits, maximum annual installment period EBP, Termination Of Employment And Payment Of Benefits, Maximum Annual Installment Period EBP, Termination Of Employment And Payment Of Benefits, Maximum Annual Installment Period Amendment Flag Amendment Flag Basis of Accounting EBP, Basis of Accounting [Policy Text Block] EBP, Schedule of Asset Held for Investment [Table] EBP, Schedule of Asset Held for Investment [Table] Plan's interest in the Savings Plan Master Trust Plan’s interest in the Bristol-Myers Squibb Company Savings Plan Master Trust EBP, Investment, Plan Interest in Master Trust, Fair and Contract Value Investment, number of shares (in shares) EBP, Investment, Number of Shares EBP, Description of Plan and Accounting Change [Abstract] Receivables: EBP, Receivable [Abstract] Investments [Domain] Investments [Domain] EBP, Schedule of Delinquent Participant Contribution [Abstract] Matching Tear Three EBP, Matching Tier Three [Member] EBP, Matching Tier Three EBP, Master Trust [Abstract] Plan's interest in the Savings Plan Master Trust, at contract value (Note 5) Total Synthetic Guaranteed Investment Contracts, at Contract Value EBP, Investment, Plan Interest in Master Trust, Contract Value Use of Estimates EBP, Use of Estimate [Policy Text Block] EBP, Related Party and Party-in-Interest [Domain] EBP, Related Party and Party-in-Interest [Domain] SCHEDULE H, LINE 4i – SCHEDULE OF ASSETS (HELD AT END OF YEAR) EBP, Schedule of Asset Held for Investment [Text Block] Cover [Abstract] Employer contributions EBP, Change in Net Asset Available for Benefit, Increase from Employer Contribution, Cash Participant contribution, annual compensation to total compensation, percentage EBP, Participant Contribution, Annual Compensation to Total Compensation, Percentage EBP, Participant Contribution, Annual Compensation to Total Compensation, Percentage EBP, Schedule of Delinquent Participant Contribution [Line Items] EBP, Schedule of Delinquent Participant Contribution [Line Items] Total Synthetic Guaranteed Investment Contracts, at Contract Value EBP, Synthetic Investment Contract [Member] EBP, Related Party and Party-in-Interest [Axis] EBP, Related Party and Party-in-Interest [Axis] Minimum Minimum [Member] Dividends receivable EBP, Investment Income, Receivable EBP, employer contribution, vesting percentage EBP, Employer Contribution, Vesting Percentage EBP, Employer Contribution, Vesting Percentage Investment Type [Axis] Investment Type [Axis] Interest on notes receivable from participants EBP, Change in Net Asset Available for Benefit, Increase from Interest Income on Note Receivable from Participant Matching contribution, vesting service period EBP, Matching Contribution, Vesting Service Period EBP, Matching Contribution, Vesting Service Period Total additions per the financial statements EBP, Change in Net Asset Available for Benefit, Increase from Contribution Participant contributions EBP, Change in Net Asset Available for Benefit, Increase from Participant Contribution, Excluding Rollover Plan’s share of net investment income in the Savings Plan Master Trust Total net investment income EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Gain (Loss) on Investment EBP, Description of Plan [Line Items] EBP, Description of Plan [Line Items] Plan number EBP, Plan Number EBP, Investment, Fair Value and NAV [Line Items] EBP, Investment, Fair Value and NAV [Line Items] PLAN DESCRIPTION AND RELATED INFORMATION EBP, Description of Plan [Text Block] Contributions Pending Correction in VFCP EBP, Schedule of Delinquent Participant Contribution, Pending Correction in VFCP EBP, Statement of Change in Net Asset Available for Benefit [Line Items] EBP, Statement of Change in Net Asset Available for Benefit [Line Items] EBP, Statement of Net Asset Available for Benefit [Table] EBP, Statement of Net Asset Available for Benefit [Table] Interest income Plan’s share of net investment income in the Savings Plan Master Trust EBP, Change in Net Asset Available for Benefit, Increase from Interest Income on Investment EBP, Schedule of Asset Held for Investment [Line Items] EBP, Schedule of Asset Held for Investment [Line Items] EBP, Nonconsolidated, Master Trust and Plan Interest in Master Trust [Domain] EBP, Nonconsolidated, Master Trust and Plan Interest in Master Trust [Domain] Bristol-Myers Squibb Company Stock EBP, Employer, Common Stock [Member] EBP, Schedule of Asset Held for Investment [Abstract] EBP, Accounting Policy [Table] EBP, Accounting Policy [Table] Total additions EBP, Change in Net Asset Available for Benefit, Increase EBP, Matching Tier [Axis] EBP, Matching Tier [Axis] EBP, Matching Tier SEI Short-Term Investment Fund II, at Fair Value EBP, SEI Short-Term Investment Fund II [Member] EBP, SEI Short-Term Investment Fund II Record keeping fee, per participant, per year EBP, Record Keeping Fee, Per Participant, Per Year EBP, Record Keeping Fee, Per Participant, Per Year Administrative expenses Less: Administrative expenses related to the Savings Plan Master Trust per the financial statements EBP, Change in Net Asset Available for Benefit, Decrease from Administrative Expense EBP, Matching Tier [Domain] EBP, Matching Tier [Domain] EBP, Matching Tier [Domain] Net Assets, at Contract Value (Note 5) EBP, Investment, Contract Value Employer stock fund, investment in money market instruments, percentage EBP, Employer Stock Fund, Investment in Money Market Instruments, Percentage EBP, Employer Stock Fund, Investment in Money Market Instruments, Percentage Income Taxes and Tax Status EBP, Income Taxes And Tax Status [Policy Text Block] EBP, Income Taxes And Tax Status Risks and Uncertainties EBP, Risk and Uncertainty [Policy Text Block] Document Information [Line Items] Document Information [Line Items] SAVINGS PLAN MASTER TRUST EBP, Master Trust [Text Block] Employer contribution, participant compensation matched, percentage EBP, Employer Contribution, Participant Compensation Matched, Percentage EBP, Statement of Change in Net Asset Available for Benefit [Abstract] EBP 007 EBP 007 [Member] EBP 007 Level 2 Fair Value, Inputs, Level 2 [Member] Net investment income from Master Trust investment accounts per the Form 5500 EBP, Form 5500 Caption, Net Income (Loss) EBP, Fully Benefit-Responsive Investment Contract [Line Items] EBP, Fully Benefit-Responsive Investment Contract [Line Items] Contributions Corrected Outside VFCP EBP, Schedule of Delinquent Participant Contribution, Corrected Outside VFCP Subsequent Event Type [Axis] Subsequent Event Type [Axis] Increase in net assets before transfers EBP, Change in Net Asset Available for Benefit, Increase (Decrease) EXEMPT PARTY-IN-INTEREST TRANSACTIONS EBP, Related Party and Party-in-Interest Transactions [Text Block] Total Net Assets EBP, Investment, Fair and Contract Value EBP, Related Party and Party-in-Interest Transactions [Abstract] EBP, Accounting Policy, Accounting Standard Update, and Change in Accounting Principle [Abstract] Total receivables EBP, Receivable Employer contributions EBP, Employer Contribution, Receivable Net appreciation in fair value of investments EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Unrealized Gain (Loss) on Investment Participant contribution, automatic, deferral rate EBP, Participant Contribution, Automatic, Deferral Rate Participant directed investments: EBP, Investment, Fair Value [Abstract] Dividend income EBP, Change in Net Asset Available for Benefit, Increase from Dividend Income on Investment Distributions and withdrawals EBP, Change in Net Asset Available for Benefit, Decrease from Payment to Participant Plan's interest in the Savings Plan Master Trust, at fair value (Note 4) Collective Trust Funds: EBP, Investment, Plan Interest in Master Trust, Fair Value Total Current Value EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value Late Participant Loan Repayments EBP, Schedule of Delinquent Participant Contribution, Transferred Late to Plan Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Employer contribution, additional contribution, percentage EBP, Employer Contribution, Additional Contribution, Percentage EBP, Employer Contribution, Additional Contribution, Percentage EBP, Statement of Net Asset Available for Benefit [Abstract] EBP, Accounting Policy [Line Items] EBP, Accounting Policy [Line Items] Total income per the Form 5500 EBP, Form 5500 Caption, Total Income Employer, Common Stock Fund EBP, Employer, Common Stock Fund [Member] EBP, Reconciliation of Financial Statement to Form 5500 [Table] EBP, Reconciliation of Financial Statement to Form 5500 [Table] Schedule of Fixed Income Fund Investments in Savings Plan Master Trust EBP, Fully Benefit-Responsive Investment Contract [Table Text Block] Plan’s share of net investment income in the Savings Plan Master Trust EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Change in Plan Interest in Master Trust EBP, Reconciliation of Financial Statement to Form 5500 [Line Items] EBP, Reconciliation of Financial Statement to Form 5500 [Line Items] Administrative Expenses EBP, Expense [Policy Text Block] RECONCILIATION TO FORM 5500 EBP, Reconciliation of Financial Statement to Form 5500 [Text Block] Asset held for investment, participant loan, after deemed distribution EBP, Asset Held for Investment, Participant Loan, after Deemed Distribution Investment Valuation and Income Recognition EBP, Investment [Policy Text Block] EBP, Master Trust [Table] EBP, Master Trust [Table] Participant contributions EBP, Participant Contribution, Receivable Fair Value, Inputs, Level 1, Level 2, and Level 3 Fair Value, Inputs, Level 1, Level 2, and Level 3 [Member] Document Type Document Type Other Related Party and Party-in-Interest EBP, Other Related Party and Party-in-Interest [Member] Entity Central Index Key Entity Central Index Key Asset held for investment, participant loan, interest rate Interest rate EBP, Asset Held for Investment, Participant Loan, Interest Rate EBP, Reconciliation of Financial Statement to Form 5500 [Abstract] Common Collective Trusts Common Collective Trust [Member] Net Assets Available for Benefits: EBP, Net Asset Available for Benefit [Abstract] Matching Tear Two EBP, Matching Tier Two [Member] EBP, Matching Tier Two EBP, Subsequent Event [Table] EBP, Subsequent Event [Table] Additional annual contribution, vesting rate, percentage EBP, Additional Annual Contribution, Vesting Rate, Percentage EBP, Additional Annual Contribution, Vesting Rate, Percentage Deductions: EBP, Change in Net Asset Available for Benefit, Decrease [Abstract] Notes receivable from participants Participant loans, with varying maturity dates through $2035, and interest rates ranging from 4.25% to 9.50% EBP, Note Receivable from Participant Master Trust Total EBP, Nonconsolidated, Master Trust [Member] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Matching contribution, vesting service percentage, year one EBP, Matching Contribution, Vesting Service Percentage EBP, Matching Contribution, Vesting Service Percentage BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES EBP, Summary of Accounting Policy [Text Block] Entity Registrant Name Entity Registrant Name Schedule of Master Trust EBP, Master Trust [Table Text Block] EBP, Subsequent Event [Abstract] Termination of employment and payment of benefits, involuntary cash out limit EBP, Termination Of Employment And Payment Of Benefits, Involuntary Cash Out Limit EBP, Termination Of Employment And Payment Of Benefits, Involuntary Cash Out Limit SUBSEQUENT EVENTS EBP, Subsequent Event [Text Block] Participant contribution, automatic contribution, enrollment waiting period EBP, Participant Contribution, Automatic Contribution, Enrollment Waiting Period EBP, Participant Contribution, Automatic Contribution, Enrollment Waiting Period EBP, Schedule of Delinquent Participant Contribution [Table] EBP, Schedule of Delinquent Participant Contribution [Table] DELINQUENT PARTICIPANT CONTRIBUTIONS FORM 5500, SCHEDULE H, PART IV, LINE (4a) EBP, Schedule of Delinquent Participant Contribution [Text Block] Investment, excluding plan interest in master trust, cost EBP, Investment, Excluding Plan Interest in Master Trust, Cost Participant contributions, default investment alternative, allocation percentage EBP, Participant Contributions, Default Investment Alternative, Allocation Percentage EBP, Participant Contribution, Default Investment Alternative, Allocation Percentage Note receivable from participant, account, maximum borrowing, to total account, percentage EBP, Note Receivable from Participant, Account, Maximum Borrowing, to Total Account, Percentage Galliard Stable Return Fund E, at Fair Value EBP, Galliard Stable Return Fund E [Member] EBP, Galliard Stable Return Fund E EBP, Subsequent Event [Line Items] EBP, Subsequent Event [Line Items] Document Information [Table] Document Information [Table] Participant contribution, annual benefit catch up contribution, percentage EBP, Participant Contribution, Annual Benefit Catch Up Contribution, Percentage EBP, Participant Contribution, Annual Benefit Catch Up Contribution, Percentage Notes Receivable from Participants EBP, Note Receivable from Participant [Policy Text Block] Forfeited nonvested account, forfeiture period EBP, Forfeited Nonvested Account, Forfeiture Period EBP, Forfeited Nonvested Account, Forfeiture Period EBP, Nonconsolidated, Master Trust and Plan Interest in Master Trust [Axis] EBP, Nonconsolidated, Master Trust and Plan Interest in Master Trust [Axis] EBP, Related Party and Party-in-Interest Transactions [Line Items] EBP, Related Party and Party-in-Interest Transactions [Line Items] Level 3 Fair Value, Inputs, Level 3 [Member] Contributions Not Corrected EBP, Schedule of Delinquent Participant Contribution, Not Corrected Increase in net assets EBP, Change in Net Asset Available for Benefit, Increase (Decrease) After Transfers EBP, Change in Net Asset Available for Benefit, Increase (Decrease) After Transfers Net Assets Available for Benefits Beginning of Year End of Year EBP, Net Asset Available for Benefit Entity [Domain] Entity [Domain] Contributions: EBP, Change in Net Asset Available for Benefit, Increase from Contribution [Abstract] Participant contribution, aftertax, maximum annual compensation to total contribution, percentage EBP, Participant Contribution, Aftertax, Maximum Annual Compensation to Total Contribution, Percentage EBP, Participant Contribution, Aftertax, Maximum Annual Compensation to Total Contribution, Percentage Forfeited nonvested account EBP, Forfeited Nonvested Account Total Fixed Income Fund Investments Fixed Income Investments [Member] NAV Fair Value Measured at Net Asset Value Per Share [Member] EBP, Investment, Fair Value and NAV [Table] EBP, Investment, Fair Value and NAV [Table] EBP, Statement of Net Asset Available for Benefit [Line Items] EBP, Statement of Net Asset Available for Benefit [Line Items] Termination of employment and payment of benefits, maximum annual beneficiary installment period EBP, Termination Of Employment And Payment Of Benefits, Maximum Annual Beneficiary Installment Period EBP, Termination Of Employment And Payment Of Benefits, Maximum Annual Beneficiary Installment Period Note receivable from participant, account, borrowing term EBP, Note Receivable From Participant, Account, Primary Residence, Maximum Borrowing Term EBP, Note Receivable From Participant, Account, Primary Residence, Maximum Borrowing Term