(LOSS)/EARNINGS PER SHARE (Tables)

12 Months Ended

Dec. 31, 2024

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted

	Year Ended December 31,
Amounts in millions, except per share data	2024		2023		2022
Net (loss)/earnings attributable to BMS	$	(8,948)	$	8,025	$	6,327
Weighted-average common shares outstanding - basic	2,027		2,069		2,130
Incremental shares attributable to share-based compensation plans	—		9		16
Weighted-average common shares outstanding - diluted	2,027		2,078		2,146
(Loss)/Earnings per common share
Basic	$	(4.41)	$	3.88	$	2.97
Diluted	(4.41)		3.86		2.95