SAVINGS PLAN MASTER TRUST - Schedule of Master Trust Major Classes of Investments (Details) - EBP 007 - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Master Trust Total
EBP, Master Trust [Line Items]
Investment, fair value	$ 12,605,952	$ 11,318,213
Net Assets, at Contract Value (Note 5)	295,677	359,134
Total Net Assets	12,901,629	11,677,347
Program's Interest in Master Trust
EBP, Master Trust [Line Items]
Investment, fair value	65,353	59,484
Net Assets, at Contract Value (Note 5)	5,256	7,179
Total Net Assets	70,609	66,663
Fair Value, Inputs, Level 1, Level 2, and Level 3 \| Master Trust Total
EBP, Master Trust [Line Items]
Investment, fair value	2,080,029	2,000,701
Fair Value, Inputs, Level 1, Level 2, and Level 3 \| Program's Interest in Master Trust
EBP, Master Trust [Line Items]
Investment, fair value	22,216	22,045
Fair Value, Inputs, Level 1, Level 2, and Level 3 \| Mutual Funds \| Master Trust Total
EBP, Master Trust [Line Items]
Investment, fair value	645,028	617,761
Fair Value, Inputs, Level 1, Level 2, and Level 3 \| Mutual Funds \| Program's Interest in Master Trust
EBP, Master Trust [Line Items]
Investment, fair value	3,486	3,319
Fair Value, Inputs, Level 1, Level 2, and Level 3 \| Bristol-Myers Squibb Company Stock \| Master Trust Total
EBP, Master Trust [Line Items]
Investment, fair value	488,202	554,933
Fair Value, Inputs, Level 1, Level 2, and Level 3 \| Bristol-Myers Squibb Company Stock \| Program's Interest in Master Trust
EBP, Master Trust [Line Items]
Investment, fair value	8,925	10,041
Fair Value, Inputs, Level 1, Level 2, and Level 3 \| Money Market Funds \| Master Trust Total
EBP, Master Trust [Line Items]
Investment, fair value	347,141	330,035
Fair Value, Inputs, Level 1, Level 2, and Level 3 \| Money Market Funds \| Program's Interest in Master Trust
EBP, Master Trust [Line Items]
Investment, fair value	5,501	5,911
Fair Value, Inputs, Level 1, Level 2, and Level 3 \| Self-Directed Brokerage Accounts \| Master Trust Total
EBP, Master Trust [Line Items]
Investment, fair value	599,658	497,972
Fair Value, Inputs, Level 1, Level 2, and Level 3 \| Self-Directed Brokerage Accounts \| Program's Interest in Master Trust
EBP, Master Trust [Line Items]
Investment, fair value	4,304	2,774
Level 1 \| Master Trust Total
EBP, Master Trust [Line Items]
Investment, fair value	2,043,483	1,962,946
Level 1 \| Mutual Funds \| Master Trust Total
EBP, Master Trust [Line Items]
Investment, fair value	645,028	617,761
Level 1 \| Bristol-Myers Squibb Company Stock \| Master Trust Total
EBP, Master Trust [Line Items]
Investment, fair value	488,202	554,933
Level 1 \| Money Market Funds \| Master Trust Total
EBP, Master Trust [Line Items]
Investment, fair value	347,141	330,035
Level 1 \| Self-Directed Brokerage Accounts \| Master Trust Total
EBP, Master Trust [Line Items]
Investment, fair value	563,112	460,217
Level 2 \| Master Trust Total
EBP, Master Trust [Line Items]
Investment, fair value	36,546	37,755
Level 2 \| Mutual Funds \| Master Trust Total
EBP, Master Trust [Line Items]
Investment, fair value	0	0
Level 2 \| Bristol-Myers Squibb Company Stock \| Master Trust Total
EBP, Master Trust [Line Items]
Investment, fair value	0	0
Level 2 \| Money Market Funds \| Master Trust Total
EBP, Master Trust [Line Items]
Investment, fair value	0	0
Level 2 \| Self-Directed Brokerage Accounts \| Master Trust Total
EBP, Master Trust [Line Items]
Investment, fair value	36,546	37,755
Level 3 \| Master Trust Total
EBP, Master Trust [Line Items]
Investment, fair value	0	0
Level 3 \| Mutual Funds \| Master Trust Total
EBP, Master Trust [Line Items]
Investment, fair value	0	0
Level 3 \| Bristol-Myers Squibb Company Stock \| Master Trust Total
EBP, Master Trust [Line Items]
Investment, fair value	0	0
Level 3 \| Money Market Funds \| Master Trust Total
EBP, Master Trust [Line Items]
Investment, fair value	0	0
Level 3 \| Self-Directed Brokerage Accounts \| Master Trust Total
EBP, Master Trust [Line Items]
Investment, fair value	0	0
NAV \| Common Collective Trusts \| Master Trust Total
EBP, Master Trust [Line Items]
Investment, fair value	10,525,923	9,317,512
NAV \| Common Collective Trusts \| Program's Interest in Master Trust
EBP, Master Trust [Line Items]
Investment, fair value	$ 43,137	$ 37,439