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Segmentation of key figures (Details 5) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Disclosure of operating segments [line items] |  |  |
Net sales to third parties from continuing operations | $ 48,659 | $ 47,445 | $ 44,751
Net sales (in % of total net sales) | 100.00% | 100.00% | 100.00%
Total of selected non-current assets | $ 90,379 | $ 77,701 |
Selected non-current assets (in % of total selected non-current assets) | 100.00% | 100.00% |
Europe [member] |  |  |
Disclosure of operating segments [line items] |  |  |
Net sales to third parties from continuing operations | $ 18,715 | $ 17,933 | $ 17,259
Net sales (in % of total net sales) | 38.00% | 38.00% | 39.00%
Total of selected non-current assets | $ 47,798 | $ 46,103 |
Selected non-current assets (in % of total selected non-current assets) | 53.00% | 59.00% |
Americas [member] |  |  |
Disclosure of operating segments [line items] |  |  |
Net sales to third parties from continuing operations | $ 19,725 | $ 19,713 | $ 18,032
Net sales (in % of total net sales) | 41.00% | 41.00% | 39.00%
Total of selected non-current assets | $ 40,391 | $ 29,389 |
Selected non-current assets (in % of total selected non-current assets) | 45.00% | 38.00% |
Asia/Africa/Australasia [member] |  |  |
Disclosure of operating segments [line items] |  |  |
Net sales to third parties from continuing operations | $ 10,219 | $ 9,799 | $ 9,460
Net sales (in % of total net sales) | 21.00% | 21.00% | 22.00%
Total of selected non-current assets | $ 2,190 | $ 2,209 |
Selected non-current assets (in % of total selected non-current assets) | 2.00% | 3.00% |

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