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Acquisitions and Divestitures - Divestitures (Details) - USD ($) $ in Millions | 1 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
May 31, 2020 | Jan. 31, 2020 | Sep. 30, 2020 | Sep. 30, 2019 | Dec. 31, 2019
Divestiture Information |  |  |  |  |
Proceeds from sale of businesses |  |  | $ 576 | $ 236 |
Noncontrolling interest in the new company |  |  | 63 |  | $ 63
Disposal Group, Held-for-sale, Not Discontinued Operations |  |  |  |  |
Divestiture Information |  |  |  |  |
Disposal - Inventory |  |  |  |  | 70
Disposal - Property, plant and equipment |  |  |  |  | 150
Disposal - Intangible assets |  |  |  |  | 35
Disposal - Goodwill |  |  |  |  | 30
Aggregate operating income of divested businesses |  |  | $ 40 | $ 25 |
Drug delivery business | Disposal Group, Disposed of by Sale, Not Discontinued Operations |  |  |  |  |
Divestiture Information |  |  |  |  |
Annual sales of divested business |  |  |  |  | 380
Aggregate selling price relative to the divestiture transaction | $ 617 |  |  |  |
Proceeds from sale of businesses | 487 |  |  |  |
Pre-tax gain on sale | 387 |  |  |  |
Noncontrolling interest in the new company | $ 60 |  |  |  |
Noncontrolling interest in new company (as a percent) | 17.00% |  |  |  |
Disposal - Notes and Loans | $ 70 |  |  |  |
Advanced ballistic protection business | Disposal Group, Disposed of by Sale, Not Discontinued Operations |  |  |  |  |
Divestiture Information |  |  |  |  |
Annual sales of divested business |  |  |  |  | $ 85
Proceeds from sale of businesses |  | $ 86 |  |  |
Maximum contingent considerations depending on outcome of pending tenders |  | $ 25 |  |  |

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