EARNINGS/(LOSS) PER SHARE (Tables)

12 Months Ended

Dec. 31, 2022

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted

	Year Ended December 31,
Amounts in Millions, Except Per Share Data	2022		2021		2020
Net Earnings/(Loss) Attributable to BMS Used for Basic and Diluted EPS Calculation	$	6,327	$	6,994	$	(9,015)
Weighted-Average Common Shares Outstanding - Basic	2,130		2,221		2,258
Incremental Shares Attributable to Share-Based Compensation Plans	16		24		—
Weighted-Average Common Shares Outstanding - Diluted	2,146		2,245		2,258
Earnings/(Loss) per Common Share
Basic	$	2.97	$	3.15	$	(3.99)
Diluted	2.95		3.12		(3.99)