| Total operating revenue | 11,541.07a | 11,445.62a |
| Operating revenue | 11,541.07a | 11,445.62a |
| Total operating costs | -11,376.77a | -11,206.47a |
| Operating costs | -8,576.25a | -8,564.23a |
| Taxes and surcharges | -86.14a | -86.2a |
| Selling expenses | -65.51a | -48.36a |
| Administrative expenses | -1,155.06a | -1,263.32a |
| R&D expenses | -1,458.47a | -1,150.07a |
| Finance expenses | -35.34a | -94.3a |
| Of which: Interest expense | -222.9a | -225.13a |
| Interest income | 92.36a | 83.28a |
| Other income | 191.72a | 137.6a |
| Investment income (loss) | 24.22a | 34.49a |
| Investment income from associates and joint ventures | 3.17a | -0.3a |