CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Statement of Comprehensive Income [Abstract]
Net Earnings	$ 8,040	$ 6,345	$ 7,014
Other Comprehensive Income/(Loss), net of taxes and reclassifications to earnings:
Derivatives qualifying as cash flow hedges	(230)	54	415
Pension and postretirement benefits	(115)	145	206
Marketable debt securities	2	(2)	(9)
Foreign currency translation	78	(210)	(41)
Total Other Comprehensive Income/(Loss)	(265)	(13)	571
Comprehensive Income	7,775	6,332	7,585
Comprehensive Income Attributable to Noncontrolling Interest	15	18	20
Comprehensive Income Attributable to BMS	$ 7,760	$ 6,314	$ 7,565