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Segment Reporting (Details) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2021 USD ($) reportablesegments | Dec. 31, 2020 USD ($) | Dec. 31, 2019 USD ($)
Segment Reporting Information [Line Items] |  |  |
Number of reportable segments | reportablesegments | 3 |  |
Net sales | $ 11,888 | $ 9,913 | $ 10,735
Depreciation | 352 | 333 | 311
Operating income allocated to reportable segments | 1,199 | (80) | 1,518
Amortization expense | (741) | (789) | (699)
Other expense, net | (123) | 1 | (831)
Income (loss) before income taxes | 1,076 | (79) | 687
Goodwill | 11,988 | 9,951 | 10,176
Intangible Assets, Net (Excluding Goodwill) | 6,121 | 5,917 | 7,886
Operating Lease, Right-of-Use Asset | 435 | 458 |
Long-Lived Assets | 20,795 | 18,409 | 20,477
Other Noncurrent Assets [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Operating Lease, Right-of-Use Asset | 435 | 458 | 336
Specialty Pharmaceuticals [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Net sales | 13 | 219 | 81
Disposal Group, Held-for-sale, Not Discontinued Operations | Specialty Pharmaceuticals [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Assets (segment reporting) | 0 |  |
United States [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Net sales | 6,911 | 5,701 | 6,167
Long-Lived Assets | 1,190 | 1,151 | 1,148
United States [Member] | Specialty Pharmaceuticals [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Net sales | 10 | 193 | 70
IRELAND |  |  |
Segment Reporting Information [Line Items] |  |  |
Long-Lived Assets | 436 | 382 | 327
Other countries [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Long-Lived Assets | 625 | 551 | 604
MedSurg [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Net sales | 3,724 | 3,066 | 3,307
Depreciation | 81 | 80 | 75
Operating Income (Loss) Allocated to Reportable Segments | $ 1,399 | $ 1,079 | $ 1,204
Segment operating income as percentage of net sales | 37.60% | 35.20% | 36.40%
Assets (segment reporting) | $ 1,794 | $ 1,638 |
Goodwill | 2,598 | 2,059 | $ 2,061
Rhythm and Neuro [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Net sales | 3,293 | 2,752 | 3,140
Depreciation | 104 | 96 | 92
Operating Income (Loss) Allocated to Reportable Segments | $ 607 | $ 439 | $ 666
Segment operating income as percentage of net sales | 18.40% | 15.90% | 21.20%
Assets (segment reporting) | $ 1,981 | $ 1,827 |
Goodwill | 3,503 | 2,194 | $ 2,192
Cardiovascular [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Net sales | 4,858 | 3,876 | 4,208
Depreciation | 167 | 154 | 138
Operating Income (Loss) Allocated to Reportable Segments | $ 1,448 | $ 661 | $ 1,137
Segment operating income as percentage of net sales | 29.80% | 17.10% | 27.00%
Assets (segment reporting) | $ 2,821 | $ 2,461 |
Goodwill | 5,887 | 5,697 | $ 5,676
BSX Reportable Segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Net sales | 11,875 | 9,694 | 10,654
Depreciation | 352 | 330 | 306
BSX Reportable Segments | United States [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Net sales | 6,901 | 5,508 | 6,097
Total allocated to reportable segments [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Operating income allocated to reportable segments | 3,454 | 2,179 | 3,007
Assets (segment reporting) | 6,595 | 5,926 |
Specialty Pharmaceuticals [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Depreciation | 0 | 3 | 6
Operating income allocated to reportable segments | 4 | 143 | 56
Assets (segment reporting) |  | 1,133 |
Goodwill | 0 | 0 | 247
Corporate Expenses including hedging activities [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Operating Income Unallocated to Segment | (447) | (405) | (264)
Goodwill and other intangible asset impairment charges, acquisition/divestiture-related net charges (credits), restructuring and restructuring-related net charges (credits), litigation-related net charges (credits) and EU Medical Device Regulation (MDR) implementation costs |  |  |
Segment Reporting Information [Line Items] |  |  |
Operating Income Unallocated to Segment | (1,070) | (1,208) | $ (582)
Corporate Segment |  |  |
Segment Reporting Information [Line Items] |  |  |
Assets (segment reporting) | 7,525 | 7,850 |
Consolidated BSX [Domain] |  |  |
Segment Reporting Information [Line Items] |  |  |
Assets (segment reporting) | $ 32,229 | $ 30,777 |

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