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v3.19.3.a.u2

Interest expense and other financial income & expense (Tables) | 12 Months Ended
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Dec. 31, 2019
Analysis of income and expense [abstract] |
Disclosure of components of interest expense | Interest expense
($ millions) | 2019 |  |  | 2018 |  |  | 2017 |
Interest expense on financial debts | (81 | ) |  | (10 | ) |  | (12 | )
Interest expense from discounting long-term liabilities | (21 | ) |  | (9 | ) |  | (10 | )
Interest expense on lease liabilities(1) | (11 | ) |  | (5 | ) |  | (5 | )
Total interest expense | (113 | ) |  | (24 | ) |  | (27 | )
(1) For the years ended December 31, 2018 and 2017, interest expense on finance leases was included in "Interest expense on lease liabilities".
Disclosure of components of other financial income & expense | Other financial income & expense

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