| Total operating revenue | 54,407.3a | 55,744.15a |
| Operating revenue | 54,407.3a | 55,744.15a |
| Total operating costs | -57,407.49a | -56,134.31a |
| Operating costs | -47,304.54a | -45,168.78a |
| Taxes and surcharges | -2,330.01a | -3,121a |
| Selling expenses | -2,075.85a | -2,512.22a |
| Administrative expenses | -1,875.77a | -2,257.38a |
| Research and development expenses | | |
| Finance costs | -3,821.33a | -3,074.93a |
| Interest expense | -4,663.29a | -4,710.83a |
| Interest income | 1,042.96a | 1,840.69a |
| Other income | 148.74a | 172.13a |
| Investment income (loss) | -2,018.54a | -1,686.7a |
| Investment income from associates and joint ventures | -2,035.59a | -1,708.73a |
| Gain on derecognition of financial assets measured at amortized cost | | |
| Exchange gains (loss) | | |
| Net exposure hedging gains (loss) | | |
| Gain (loss) from changes in fair value | 22.29a | 21.39a |
| Credit impairment losses | -272.11a | -35.7a |
| Asset impairment losses | -2,097.62a | -3,623.24a |
| Asset disposal gains (loss) | 153.25a | 9.44a |
| Operating profit (loss) | -7,064.17a | -5,532.84a |
| Non-operating income | 67.87a | 56.95a |
| Non-operating expenses | -180.64a | -284.36a |
| Total profit (loss) | -7,176.94a | -5,760.24a |
| Income tax expense | -2,543.91a | -2,674.78a |
| Net profit (net loss) | -9,720.85a | -8,435.02a |
| Classified by continuity of operations | -9,720.85a | -8,435.02a |
| Net profit from continuing operations (net loss) | -9,720.85a | -8,435.02a |
| Net profit from discontinued operations (net loss) | | |
| Classified by ownership attribution | -9,720.85a | -8,435.02a |
| Net profit attributable to shareholders of the parent company | -8,662.3a | -6,492.44a |
| Profit or loss attributable to noncontrolling interests | -1,058.55a | -1,942.58a |