Segment Reporting (Details) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024 USD ($)	Jun. 30, 2023 USD ($)	Jun. 30, 2024 USD ($) reportablesegments	Jun. 30, 2023 USD ($)
Segment Reporting [Abstract]
Number of reportable segments | reportablesegments			2
Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Abstract]
Amortization expense	$ (213)	$ (210)	$ (427)	$ (412)
Operating income (loss)	520	514	1,195	1,066
Other expense, net	(100)	(88)	(167)	(195)
Income (loss) before income taxes	420	426	1,028	870
Impact of Foreign Currency Fluctuations on Net Sales	8	51	37	102
Net sales	4,120	3,599	7,977	6,988
MedSurg
Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Abstract]
Operating Income Allocated to Reportable Segments	511	458	986	867
Revenues from contracts with customers, disaggregated - performance measurement	$ 1,480	$ 1,346	$ 2,882	$ 2,611
Segment operating income as percentage of net sales	34.60%	34.00%	34.20%	33.20%
Net sales	$ 1,483	$ 1,360	$ 2,895	$ 2,640
Cardiovascular
Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Abstract]
Operating Income Allocated to Reportable Segments	761	582	1,414	1,135
Revenues from contracts with customers, disaggregated - performance measurement	$ 2,632	$ 2,204	$ 5,058	$ 4,275
Segment operating income as percentage of net sales	28.90%	26.40%	28.00%	26.60%
Net sales	$ 2,637	$ 2,239	$ 5,082	$ 4,349
BSX Reportable Segments [Member]
Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Abstract]
Revenues from contracts with customers, disaggregated - performance measurement	4,112	3,549	7,939	6,886
Total allocated to reportable segments [Member]
Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Abstract]
Operating income (loss)	1,272	1,040	2,400	2,002
Corporate expenses and currency exchange [Member]
Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Abstract]
Operating Income Unallocated to Segment	(153)	(75)	(268)	(173)
Goodwill and other intangible asset impairment charges, acquisition/divestiture-related net (charges) credits, restructuring- and restructuring-related net (charges) credits, EU MDR implementation costs and litigation-related net (charges) credits
Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Abstract]
Operating Income Unallocated to Segment	$ (386)	$ (241)	$ (510)	$ (351)