Changes in Other Comprehensive Income (AOCI Rollforward with Reclassification) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
AOCI attributable to Boston Scientific common stockholders, Net of Tax [Roll Forward]
Beginning Stockholders' Equity	$ 19,282	$ 17,573
Other comprehensive income (loss)	218	(230)	$ 6
Ending Stockholders' Equity	21,770	19,282	17,573
Accumulated other comprehensive income (loss), net of tax
AOCI attributable to Boston Scientific common stockholders, Net of Tax [Roll Forward]
Beginning Stockholders' Equity	49	269	263
Other comprehensive income (loss) before reclassifications	379	(34)
(Income) loss amounts reclassified from accumulated other comprehensive income	(154)	(185)
Other comprehensive income (loss)	225	(219)
Ending Stockholders' Equity	275	49	269
Foreign Currency Translation Adjustments
AOCI attributable to Boston Scientific common stockholders, Net of Tax [Roll Forward]
Beginning Stockholders' Equity	(96)	(1)
Other comprehensive income (loss) before reclassifications	246	(87)
(Income) loss amounts reclassified from accumulated other comprehensive income	(14)	(8)
Other comprehensive income (loss)	232	(95)
Ending Stockholders' Equity	136	(96)	(1)
Net Change in Derivative Financial Instruments
AOCI attributable to Boston Scientific common stockholders, Net of Tax [Roll Forward]
Beginning Stockholders' Equity	154	269
Other comprehensive income (loss) before reclassifications	142	63
(Income) loss amounts reclassified from accumulated other comprehensive income	(141)	(178)
Other comprehensive income (loss)	1	(115)
Ending Stockholders' Equity	155	154	269
Net Change in Defined Benefit Pensions and Other Items
AOCI attributable to Boston Scientific common stockholders, Net of Tax [Roll Forward]
Beginning Stockholders' Equity	(8)	1
Other comprehensive income (loss) before reclassifications	(9)	(10)
(Income) loss amounts reclassified from accumulated other comprehensive income	1	1
Other comprehensive income (loss)	(8)	(9)
Ending Stockholders' Equity	$ (16)	$ (8)	$ 1