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Performance B.7. Earnings Per Share (Details) - USD ($) shares in Thousands, $ in Millions | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Earnings (loss) per common share for profit (loss) attributable to the owners of the Company: |  |  |  |
Net profit (loss) attributable to equity holders from continuing operations | $ (332) | $ 93 | $ 23 |
Net profit (loss) attributable to equity holders from discontinued operations | (12) | 57 | (33) |
Net profit/(loss) attributable to all equity holders to determine the basic earnings (loss) per share | $ (344) | $ 149 | $ (10) | [1]
Weighted average ordinary shares and adjusted weighted average ordinary shares [abstract] |  |  |  |
Weighted average number of ordinary shares (excluding treasury shares) for basic earnings per share) (in shares) | 101,172 | 101,144 | 100,793 |
Potential incremental shares as a result of share options (in shares) | 0 | 0 | 0 |
Weighted average number of ordinary shares (excluding treasury shares) adjusted for the effect of dilution (in shares) | 101,172 | 101,144 | 100,793 |
[1] | 2018 was not restated for the application of IFRS 16, as the Group elected the modified retrospective approach.

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- Definition The profit (loss) from continuing and discontinued operations attributable to owners of the parent. [Refer: Profit (loss)] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2019-01-01 -Paragraph 81B -Subparagraph a -Clause ii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_81B_a_ii&doctype=Standard -URIDate 2019-03-27 + Details
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