v3.19.3.a.u2
Loss Per Share - Summary of Computation of Loss Per Share (Details) - EUR (€)
€ / shares in Units, € in Millions
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Basic loss per share      
Net loss attributable to owners of the parent € (186) € (78) € (1,235)
Weighted-average ordinary shares outstanding 180,960,579 177,154,405 151,668,769
Basic € (1.03) € (0.44) € (8.14)
Diluted loss per share      
Net loss attributable to owners of the parent € (186) € (78) € (1,235)
Fair value adjustments on warrants   (14)  
Net loss used in the computation of diluted loss per share € (186) € (92) € (1,235)
Weighted-average ordinary shares outstanding      
Weighted-average ordinary shares outstanding 180,960,579 177,154,405 151,668,769
Warrants   4,055,887  
Diluted weighted average ordinary shares 180,960,579 181,210,292 151,668,769
Diluted € (1.03) € (0.51) € (8.14)