4.2.1Consolidated Income Statement
| 
                                     in millions of US$  | 
                                 
                                     Notes  | 
                                 
                                     2018  | 
                                 
                                     20171  | 
                              
|---|---|---|---|
| 
                                     Revenue from contracts with customers  | 
                                 
                                     1,744  | 
                                 
                                     1,248  | 
                              |
| 
                                     Interest revenue from finance lease calculated using the effective interest method  | 
                                 
                                     496  | 
                                 
                                     613  | 
                              |
| 
                                     Total revenue  | 
                                 
                                     2,240  | 
                                 
                                     1,861  | 
                              |
| 
                                     Cost of sales  | 
                                 
                                     (1,437)  | 
                                 
                                     (1,063)  | 
                              |
| 
                                     Gross margin  | 
                                 
                                     802  | 
                                 
                                     798  | 
                              |
| 
                                     Other operating income/(expense)  | 
                                 
                                     (30)  | 
                                 
                                     (239)  | 
                              |
| 
                                     Selling and marketing expenses  | 
                                 
                                     (36)  | 
                                 
                                     (36)  | 
                              |
| 
                                     General and administrative expenses  | 
                                 
                                     (122)  | 
                                 
                                     (132)  | 
                              |
| 
                                     Research and development expenses  | 
                                 
                                     (23)  | 
                                 
                                     (33)  | 
                              |
| 
                                     Net impairment gains/(losses) on financial and contract assets  | 
                                 
                                     13  | 
                                 
                                     (1)  | 
                              |
| 
                                     Operating profit/(loss) (EBIT)  | 
                                 
                                     603  | 
                                 
                                     358  | 
                              |
| 
                                     Financial income  | 
                                 
                                     46  | 
                                 
                                     27  | 
                              |
| 
                                     Financial expenses  | 
                                 
                                     (279)  | 
                                 
                                     (358)  | 
                              |
| 
                                     Net financing costs  | 
                                 
                                     (233)  | 
                                 
                                     (331)  | 
                              |
| 
                                     Share of profit/(loss) of equity-accounted investees  | 
                                 
                                     13  | 
                                 
                                     (2)  | 
                              |
| 
                                     Profit/(loss) before tax  | 
                                 
                                     384  | 
                                 
                                     25  | 
                              |
| 
                                     Income tax expense  | 
                                 
                                     (40)  | 
                                 
                                     (26)  | 
                              |
| 
                                     Profit/(loss)  | 
                                 
                                     344  | 
                                 
                                     (1)  | 
                              |
| 
                                     Attributable to shareholders of the parent company  | 
                                 
                                     212  | 
                                 
                                     (155)  | 
                              |
| 
                                     Attributable to non-controlling interests  | 
                                 
                                     132  | 
                                 
                                     154  | 
                              |
| 
                                     Profit/(loss)  | 
                                 
                                     344  | 
                                 
                                     (1)  | 
                              
- 1 Restated to separately present net impairment losses on financial and contract assets following IFRS 9 implementation
 
Earnings/(loss) per share
| 
                                     Notes  | 
                                 
                                     2018  | 
                                 
                                     2017  | 
                              |
|---|---|---|---|
| 
                                     Weighted average number of shares outstanding  | 
                                 
                                     204,270,610  | 
                                 
                                     202,849,287  | 
                              |
| 
                                     Basic earnings/(loss) per share  | 
                                 
                                     US$ 1.04  | 
                                 
                                     US$ (0.76)  | 
                              |
| 
                                     Fully diluted earnings/(loss) per share  | 
                                 
                                     US$ 1.04  | 
                                 
                                     US$ (0.76)  |