Revenue - Revenue by Geography (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Disaggregation of Revenue [Line Items]
Net sales	$ 4,209	$ 3,527	$ 12,186	$ 10,515
United States
Disaggregation of Revenue [Line Items]
Net sales	2,593	2,099	7,317	6,212
United States | BSX Reportable Segments [Member]
Disaggregation of Revenue [Line Items]
Net sales	2,593	2,099	7,317	6,212
EMEA [Member] | BSX Reportable Segments [Member]
Disaggregation of Revenue [Line Items]
Net sales	773	671	2,398	2,107
APAC [Member] | BSX Reportable Segments [Member]
Disaggregation of Revenue [Line Items]
Net sales	684	611	2,002	1,784
Latin America and Canada [Member] | BSX Reportable Segments [Member]
Disaggregation of Revenue [Line Items]
Net sales	159	146	469	412
Emerging Markets [Member]
Disaggregation of Revenue [Line Items]
Net sales	$ 684	$ 594	$ 2,012	$ 1,715