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v3.19.2

Segmentation of key figures - Net sales by region (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2019 | Jun. 30, 2018 | Jun. 30, 2019 | Jun. 30, 2018
Disclosure of geographical areas [line items] |  |  |  |
Net sales to third parties | $ 1,863 | $ 1,819 | $ 3,640 | $ 3,598
Percentage of entity's revenue | 100.00% | 100.00% | 100.00% | 100.00%
United States [member] |  |  |  |
Disclosure of geographical areas [line items] |  |  |  |
Net sales to third parties | $ 779 | $ 750 | $ 1,516 | $ 1,462
Percentage of entity's revenue | 42.00% | 41.00% | 42.00% | 41.00%
International [member] |  |  |  |
Disclosure of geographical areas [line items] |  |  |  |
Net sales to third parties | $ 1,084 | $ 1,069 | $ 2,124 | $ 2,136
Percentage of entity's revenue | 58.00% | 59.00% | 58.00% | 59.00%

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