EARNINGS/(LOSS) PER SHARE (Tables)

9 Months Ended

Sep. 30, 2025

Earnings Per Share [Abstract]

Schedule of Earnings/(Loss) Per Share, Basic and Diluted

	Three Months Ended September 30,				Nine Months Ended September 30,
Amounts in millions, except per share data	2025		2024		2025		2024
Net earnings/(loss) attributable to BMS	$	2,201	$	1,211	$	5,967	$	(9,020)
Weighted-average common shares outstanding – basic	2,036		2,028		2,034		2,026
Incremental shares attributable to share-based compensation plans	3		3		5		—
Weighted-average common shares outstanding – diluted	2,039		2,031		2,039		2,026
Earnings/(Loss) per common share
Basic	$	1.08	$	0.60	$	2.93	$	(4.45)
Diluted	1.08		0.60		2.93		(4.45)