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v3.20.4

Significant accounting policies (Tables) | 12 Months Ended
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Dec. 31, 2020
Significant Accounting Policies [abstract] |
Respective Useful Lives of property, plant and equipment |
|  | Useful life |
Buildings |  | 20 to 40 years |
Machinery and other equipment |  |  |
Machinery and equipment |  | 7 to 20 years |
Furniture and vehicles |  | 5 to 10 years |
Computer hardware |  | 3 to 7 years |
Respective Useful Lives of Available-for-Use Intangible Assets |
|  | Useful life |  | Income statement location for amortization and impairment charges |
Currently marketed products |  | 5 to 20 years |  | "Cost of goods sold" |
Technologies |  | 10 to 20 years |  | "Cost of goods sold" or "Research and development" |
Other (including computer software) |  | 3 to 7 years |  | In the respective functional expense |

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