Changes in Other Comprehensive Income (AOCI Rollforward with Reclassification) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
AOCI attributable to Boston Scientific common stockholders, Net of Tax [Roll Forward]
Beginning Stockholders' Equity	$ 21,770
Other comprehensive income (loss)	(300)	$ 78
Ending Stockholders' Equity	22,212
Accumulated other comprehensive income (loss), net of tax
AOCI attributable to Boston Scientific common stockholders, Net of Tax [Roll Forward]
Beginning Stockholders' Equity	275	49
Other comprehensive income (loss) before reclassifications	(267)	124
(Income) loss amounts reclassified from accumulated other comprehensive income	(35)	(41)
Other comprehensive income (loss)	(302)	83
Ending Stockholders' Equity	(28)	132
Foreign Currency Translation Adjustment
AOCI attributable to Boston Scientific common stockholders, Net of Tax [Roll Forward]
Beginning Stockholders' Equity	136	(96)
Other comprehensive income (loss) before reclassifications	(212)	65
(Income) loss amounts reclassified from accumulated other comprehensive income	(4)	(3)
Other comprehensive income (loss)	(216)	62
Ending Stockholders' Equity	(80)	(34)
Net Change in Derivative Financial Instruments
AOCI attributable to Boston Scientific common stockholders, Net of Tax [Roll Forward]
Beginning Stockholders' Equity	155	154
Other comprehensive income (loss) before reclassifications	(55)	59
(Income) loss amounts reclassified from accumulated other comprehensive income	(31)	(38)
Other comprehensive income (loss)	(86)	22
Ending Stockholders' Equity	69	175
Net Change in Defined Benefit Pensions and Other Items
AOCI attributable to Boston Scientific common stockholders, Net of Tax [Roll Forward]
Beginning Stockholders' Equity	(16)	(8)
Other comprehensive income (loss) before reclassifications	0	0
(Income) loss amounts reclassified from accumulated other comprehensive income	0	0
Other comprehensive income (loss)	0	0
Ending Stockholders' Equity	$ (17)	$ (8)