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Acquisitions (Details) $ in Millions |  |  |  |  |  | 3 Months Ended | 9 Months Ended |
--- | --- | --- | --- | --- | --- | --- | --- | ---
Oct. 06, 2021 USD ($) | Sep. 21, 2021 USD ($) | Sep. 01, 2021 USD ($) | Aug. 06, 2021 USD ($) | Mar. 01, 2021 USD ($) units | Sep. 30, 2021 USD ($) | Mar. 31, 2021 USD ($) | Sep. 30, 2021 USD ($) business | Sep. 30, 2020 USD ($) business | Dec. 31, 2020 USD ($)
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Number of Businesses Acquired | business |  |  |  |  |  |  |  | 3 | 0 |
Number Of Businesses Divested | business |  |  |  |  |  |  |  | 1 | 0 |
Payments to Acquire Businesses, Net of Cash Acquired |  |  |  |  |  |  |  | $ 2,014 | $ 3 |
Business Combination, Contingent Consideration, Liability |  |  |  |  |  | $ 448 |  | 448 |  | $ 196
Goodwill |  |  |  |  |  | 11,820 |  | 11,820 |  | $ 9,951
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal |  |  |  |  |  |  |  | 48 | $ 0 |
Disposal Group, Held-for-sale or Disposed of by Sale, Not Discontinued Operations | Specialty Pharmaceuticals [Member] |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Disposal Group, Including Discontinued Operation, Consideration |  |  |  |  | $ 800 |  |  |  |  |
Transfer of facilities | units |  |  |  |  | 5 |  |  |  |  |
Divestiture, agreement, transfer of global employees | units |  |  |  |  | 280 |  |  |  |  |
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal |  |  |  |  |  |  |  | 9 |  |
Preventice |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Business Combination, Consideration Transferred, Including Equity Interest in Acquiree Held Prior to Combination |  |  |  |  | $ 925 |  |  |  |  |
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High, Including Prior Interest |  |  |  |  | $ 300 |  |  |  |  |
Business Combination, Step Acquisition, Equity Interest in Acquiree, Percentage |  |  |  |  | 22.00% |  |  |  |  |
Business Combination, Step Acquisition, Equity Interest in Acquiree, Remeasurement Gain |  |  |  |  |  |  | $ 195 |  |  |
Payments to Acquire Businesses, Net of Cash Acquired |  |  |  |  | $ 706 |  |  | 706 |  |
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High |  |  |  |  | $ 230 |  |  |  |  |
Business Combination, Contingent Consideration, Liability |  |  |  |  |  | 221 |  | 221 |  |
Business Combination, Step Acquisition, Equity Interest in Acquiree, Fair Value |  |  |  |  |  |  |  | 269 |  |
Business Combination, Consideration Transferred, Including Equity Interest in Acquiree Held Prior to Combination |  |  |  |  |  | 1,197 |  | 1,197 |  |
Goodwill |  |  |  |  |  | 926 |  | 926 |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles |  |  |  |  |  | 237 |  | 237 |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets |  |  |  |  |  | 65 |  | 65 |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities |  |  |  |  |  | (32) |  | (32) |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill |  |  |  |  |  | 237 |  | 237 |  |
Preventice | Technology-Based Intangible Assets [Member] |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles |  |  |  |  |  | 215 |  | $ 215 |  |
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life |  |  |  |  |  |  |  | 9 years |  |
Preventice | Other Intangible Assets [Member] |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles |  |  |  |  |  | $ 22 |  | $ 22 |  |
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life |  |  |  |  |  |  |  | 8 years |  |
Preventice | Weighted Average [Member] | Technology-Based Intangible Assets [Member] |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Discount Rate, Fair Value Input |  |  |  |  |  | 10.00% |  | 10.00% |  |
Preventice | Weighted Average [Member] | Other Intangible Assets [Member] |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Discount Rate, Fair Value Input |  |  |  |  |  | 10.00% |  | 10.00% |  |
Lumenis |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Payments to Acquire Businesses, Net of Cash Acquired |  |  | $ 1,039 |  |  |  |  | $ 1,039 |  |
Business Combination, Contingent Consideration, Liability |  |  |  |  |  | $ 0 |  | 0 |  |
Business Combination, Step Acquisition, Equity Interest in Acquiree, Fair Value |  |  |  |  |  |  |  | 0 |  |
Business Combination, Consideration Transferred, Including Equity Interest in Acquiree Held Prior to Combination |  |  |  |  |  | 1,039 |  | 1,039 |  |
Goodwill |  |  |  |  |  | 582 |  | 582 |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles |  |  |  |  |  | 459 |  | 459 |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets |  |  |  |  |  | 115 |  | 115 |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities |  |  |  |  |  | (86) |  | (86) |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities |  |  |  |  |  | (32) |  | (32) |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill |  |  |  |  |  | 459 |  | 459 |  |
Lumenis | Technology-Based Intangible Assets [Member] |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles |  |  |  |  |  | 417 |  | $ 417 |  |
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life |  |  |  |  |  |  |  | 14 years |  |
Lumenis | Other Intangible Assets [Member] |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles |  |  |  |  |  | $ 42 |  | $ 42 |  |
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life |  |  |  |  |  |  |  | 13 years |  |
Lumenis | Weighted Average [Member] | Technology-Based Intangible Assets [Member] |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Discount Rate, Fair Value Input |  |  |  |  |  | 11.00% |  | 11.00% |  |
Lumenis | Weighted Average [Member] | Other Intangible Assets [Member] |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Discount Rate, Fair Value Input |  |  |  |  |  | 11.00% |  | 11.00% |  |
Farapulse |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Business Combination, Consideration Transferred, Including Equity Interest in Acquiree Held Prior to Combination |  |  |  | $ 450 |  |  |  |  |  |
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High, Including Prior Interest |  |  |  | $ 125 |  |  |  |  |  |
Business Combination, Step Acquisition, Equity Interest in Acquiree, Percentage |  |  |  | 27.00% |  |  |  |  |  |
Business Combination, Step Acquisition, Equity Interest in Acquiree, Remeasurement Gain |  |  |  |  |  | $ 222 |  |  |  |
Payments to Acquire Businesses, Net of Cash Acquired |  |  |  |  |  | 268 |  | $ 268 |  |
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High |  |  |  |  |  | 92 |  | 92 |  |
Business Combination, Consideration Transferred, Additional Revenue Payments, Period |  |  |  | 3 years |  |  |  |  |  |
Business Combination, Contingent Consideration, Liability |  |  |  |  |  | 162 |  | 162 |  |
Business Combination, Step Acquisition, Equity Interest in Acquiree, Fair Value |  |  |  |  |  |  |  | 222 |  |
Business Combination, Consideration Transferred, Including Equity Interest in Acquiree Held Prior to Combination |  |  |  |  |  | 653 |  | 653 |  |
Goodwill |  |  |  |  |  | 386 |  | 386 |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles |  |  |  |  |  | 267 |  | 267 |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Indefinite-Lived Intangible Assets |  |  |  |  |  | 43 |  | 43 |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets |  |  |  |  |  | 9 |  | 9 |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities |  |  |  |  |  | (10) |  | (10) |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities |  |  |  |  |  | (43) |  | (43) |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill |  |  |  |  |  | 310 |  | 310 |  |
Farapulse | In Process Research and Development [Member] |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Indefinite-Lived Intangible Assets |  |  |  |  |  | 43 |  | 43 |  |
Farapulse | Technology-Based Intangible Assets [Member] |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles |  |  |  |  |  | $ 267 |  | $ 267 |  |
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life |  |  |  |  |  |  |  | 12 years |  |
Farapulse | Weighted Average [Member] | In Process Research and Development [Member] |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Discount Rate, Fair Value Input |  |  |  |  |  | 17.00% |  | 17.00% |  |
Farapulse | Weighted Average [Member] | Technology-Based Intangible Assets [Member] |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Discount Rate, Fair Value Input |  |  |  |  |  | 16.00% |  | 16.00% |  |
2021 Acquisitions |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Payments to Acquire Businesses, Net of Cash Acquired |  |  |  |  |  |  |  | $ 2,014 |  |
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High |  |  |  |  |  | $ 919 |  | 919 |  |
Business Combination, Contingent Consideration, Liability |  |  |  |  |  | 384 |  | 384 |  |
Business Combination, Step Acquisition, Equity Interest in Acquiree, Fair Value |  |  |  |  |  |  |  | 491 |  |
Business Combination, Consideration Transferred, Including Equity Interest in Acquiree Held Prior to Combination |  |  |  |  |  | 2,889 |  | 2,889 |  |
Goodwill |  |  |  |  |  | 1,894 |  | 1,894 |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles |  |  |  |  |  | 964 |  | 964 |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Indefinite-Lived Intangible Assets |  |  |  |  |  | 43 |  | 43 |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets |  |  |  |  |  | 190 |  | 190 |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities |  |  |  |  |  | (127) |  | (127) |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities |  |  |  |  |  | $ (74) |  | $ (74) |  |
Baylis | Subsequent Event [Member] |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Payments to Acquire Businesses, Gross | $ 1,750 |  |  |  |  |  |  |  |  |
Devoro |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Payments to Acquire Businesses, Gross |  | $ 320 |  |  |  |  |  |  |  |
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High, Including Prior Interest |  | $ 80 |  |  |  |  |  |  |  |
Business Combination, Step Acquisition, Equity Interest in Acquiree, Percentage |  | 16.00% |  |  |  |  |  |  |  |
Payments to Acquire Businesses, Net of Cash Acquired |  | $ 269 |  |  |  |  |  |  |  |
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High |  | $ 67 |  |  |  |  |  |  |  |

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