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Financial risk management - D.6. Capital management (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Financial Instruments [Abstract] |  |  |  |
Net financial obligations | $ 5,837 | $ 5,902 |  | $ 4,596
EBITDA | $ 1,495 | $ 1,530 |  |
Net financial obligations to EBITDA | 390.00% | 386.00% |  |
Equity attributable to Owners of the Company | $ 2,059 | $ 2,410 | [1] |
Net financial obligations and equity | $ 7,896 | $ 8,312 |  |
Gearing ratio | 74.00% | 71.00% |  |
[1] | The consolidated statement of financial position at December 31, 2019 has been restated after finalization of the purchase accounting of our acquisitions in Nicaragua and Panama (note A.1.2.).

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