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Goodwill and Other Intangible Assets (Details) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Goodwill [Line Items] |  |  |
Impairment of Intangible Assets (Excluding Goodwill) | $ 105,000,000 | $ 35,000,000 | $ 4,000,000
Goodwill | 10,176,000,000 | 7,911,000,000 | 6,998,000,000
Goodwill, Translation and Purchase Accounting Adjustments | 66,000,000 | (29,000,000) |
Finite-Lived Intangible Assets, Gross | 14,299,000,000 | 12,383,000,000 |
Finite-Lived Intangible Assets, Accumulated Amortization | (7,195,000,000) | (6,617,000,000) |
Goodwill, Impaired, Accumulated Impairment Loss | (9,900,000,000) | (9,900,000,000) |
Goodwill (Textuals) [Abstract] |  |  |
Intangible Assets, Net (Excluding Goodwill) | 7,886,000,000 | 6,372,000,000 | 5,837,000,000
Goodwill, Acquired During Period | 2,218,000,000 | 942,000,000 |
Other Intangible Assets (Textuals) [Abstract] |  |  |
Other intangible asset charges | (19,000,000) |  |
Goodwill, Gross | 20,076,000,000 | 17,811,000,000 |
Indefinite-lived intangible assets, accumulated write-offs | (9,900,000,000) | (9,900,000,000) |
Indefinite-lived intangible assets, including goodwill | 20,858,000,000 | 18,417,000,000 |
Future Amortization Expense, Year One | 787,000,000 |  |
Future Amortization Expense, Year Two | 750,000,000 |  |
Future Amortization Expense, Year Three | 722,000,000 |  |
Future Amortization Expense, Year Four | 708,000,000 |  |
Future Amortization Expense, Year Five | 672,000,000 |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 10,735,000,000 | 9,823,000,000 | 9,048,000,000
Cardiovascular [Member] |  |  |
Goodwill [Line Items] |  |  |
Goodwill | 5,676,000,000 | 3,925,000,000 | 3,704,000,000
Goodwill, Translation and Purchase Accounting Adjustments | 58,000,000 | (3,000,000) |
Goodwill (Textuals) [Abstract] |  |  |
Goodwill, Acquired During Period | 1,712,000,000 | 224,000,000 |
Other Intangible Assets (Textuals) [Abstract] |  |  |
Other intangible asset charges | 19,000,000 |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 4,208,000,000 | 3,777,000,000 | 3,500,000,000
BSX Reportable Segments [Member] |  |  |
Other Intangible Assets (Textuals) [Abstract] |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 10,654,000,000 | 9,823,000,000 | 9,048,000,000
Other Segments [Member] |  |  |
Goodwill [Line Items] |  |  |
Goodwill | 247,000,000 | 0 | 0
Goodwill, Translation and Purchase Accounting Adjustments | 9,000,000 | 0 |
Goodwill (Textuals) [Abstract] |  |  |
Goodwill, Acquired During Period | 238,000,000 | 0 |
Other Intangible Assets (Textuals) [Abstract] |  |  |
Other intangible asset charges | 0 |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 81,000,000 |  |
MedSurg [Member] |  |  |
Goodwill [Line Items] |  |  |
Goodwill | 2,061,000,000 | 2,063,000,000 | 2,877,000,000
Goodwill, Period Increase (Decrease) |  | (1,379,000,000) |
Goodwill, Translation and Purchase Accounting Adjustments | (1,000,000) | (3,000,000) |
Goodwill (Textuals) [Abstract] |  |  |
Goodwill, Acquired During Period | 0 | 568,000,000 |
Other Intangible Assets (Textuals) [Abstract] |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 3,307,000,000 | 3,007,000,000 | 2,742,000,000
Rhythm and Neuro [Member] |  |  |
Goodwill [Line Items] |  |  |
Goodwill | 2,192,000,000 | 1,924,000,000 | 417,000,000
Goodwill, Period Increase (Decrease) |  | 1,379,000,000 |
Goodwill, Translation and Purchase Accounting Adjustments | 0 | (22,000,000) |
Goodwill (Textuals) [Abstract] |  |  |
Goodwill, Acquired During Period | 268,000,000 | 150,000,000 |
Other Intangible Assets (Textuals) [Abstract] |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 3,140,000,000 | 3,041,000,000 | $ 2,808,000,000
Technology-Based Intangible Assets [Member] |  |  |
Goodwill [Line Items] |  |  |
Finite-Lived Intangible Assets, Gross | 12,020,000,000 | 10,197,000,000 |
Finite-Lived Intangible Assets, Accumulated Amortization | (5,706,000,000) | (5,266,000,000) |
Patents [Member] |  |  |
Goodwill [Line Items] |  |  |
Finite-Lived Intangible Assets, Gross | 525,000,000 | 520,000,000 |
Finite-Lived Intangible Assets, Accumulated Amortization | (408,000,000) | (393,000,000) |
Other Intangible Assets [Member] |  |  |
Goodwill [Line Items] |  |  |
Finite-Lived Intangible Assets, Gross | 1,754,000,000 | 1,666,000,000 |
Finite-Lived Intangible Assets, Accumulated Amortization | (1,081,000,000) | (958,000,000) |
In Process Research and Development [Member] |  |  |
Other Intangible Assets (Textuals) [Abstract] |  |  |
Indefinite-lived Intangible Assets (Excluding Goodwill) | 662,000,000 | 486,000,000 |
Technology-Based Intangible Assets [Member] |  |  |
Other Intangible Assets (Textuals) [Abstract] |  |  |
Indefinite-lived Intangible Assets (Excluding Goodwill) | 120,000,000 | 120,000,000 |
Indefinite-lived intangible assets, accumulated write-offs | $ 0 | $ 0 |

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