Revenue - Revenue by Geography (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Disaggregation of Revenue [Line Items]
Net sales	$ 4,120	$ 3,599	$ 7,977	$ 6,988
United States
Disaggregation of Revenue [Line Items]
Net sales	2,466	2,110	4,724	4,113
United States | BSX Reportable Segments [Member]
Disaggregation of Revenue [Line Items]
Net sales	2,466	2,110	4,724	4,113
EMEA [Member] | BSX Reportable Segments [Member]
Disaggregation of Revenue [Line Items]
Net sales	822	723	1,625	1,435
APAC [Member] | BSX Reportable Segments [Member]
Disaggregation of Revenue [Line Items]
Net sales	670	626	1,317	1,174
Latin America and Canada [Member] | BSX Reportable Segments [Member]
Disaggregation of Revenue [Line Items]
Net sales	162	140	311	267
Emerging Markets [Member]
Disaggregation of Revenue [Line Items]
Net sales	$ 680	$ 592	$ 1,328	$ 1,121