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Earnings/(Loss) per share	6 Months Ended
Earnings/(Loss) per share	Jun. 30, 2020
Earnings per share [abstract]
Earnings/(Loss) per share	Earnings/(Loss) per share As of June 30, 2020, there were 489.1 million outstanding common shares, after the delivery of 0.8 million shares vesting under the equity incentive programs during the six months ended June 30, 2020. No dividends have been paid through June 30, 2020. Basic earnings/(loss) per share is computed by dividing net income/(loss) for the period by the weighted average number of common shares outstanding during the period. For the three and six months ended June 30, 2020, the weighted average number of shares outstanding was 489.0 million and 488.8 million shares, respectively. For the three and six months ended June 30, 2019, the weighted average number of shares outstanding was 488.2 million. The only potentially dilutive securities are the outstanding unvested equity-based awards, as described in Note 10 to these Condensed Consolidated Interim Financial Statements. Except when the effect would be anti-dilutive, the calculation of diluted earnings per common share includes the weighted average net impact of unvested equity-based awards. For the three and six months ended June 30, 2020, 2.5 million and 2.6 million unvested equity-based awards, respectively, have been excluded from the calculation of diluted loss per share as their effect would be anti-dilutive. For the three and six months ended June 30, 2019, 1.8 million and 0.9 million unvested equity-based awards, respectively, have been excluded from the calculation of diluted loss per share as their effect would be anti-dilutive.