Hedging Activities and Fair Value Measurements - Location on Unaudited Consolidated Statements of Operations (Details) - Non-Designated Hedging Instruments - Location, Statement of Income, Balance [Axis]: bsx:OtherNonoperatingIncomeExpenseNet - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
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Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
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| Derivative Instruments and Hedging Activities Disclosures [Line Items] | ||||
| Net gain (loss) on currency hedge contracts | $ 5 | $ (132) | $ 15 | $ (174) |
| Net gain (loss) on currency transaction exposures | (20) | 131 | (41) | 173 |
| Net currency exchange gain (loss) | $ (15) | $ 0 | $ (26) | $ (1) |
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- Definition Net currency exchange gain (loss) No definition available.
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount, before tax, of realized and unrealized gain (loss) from foreign currency transaction. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of gain (loss) recognized in earnings in the period from the increase (decrease) in fair value of foreign currency derivatives not designated as hedging instruments. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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