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Income taxes (Tables) | 12 Months Ended
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Dec. 31, 2022
Income taxes |
Schedule of information about income taxes |
(€ million) |  | 2022 |  |  | 2021 |  |  | 2020 |
Current taxes: |  |  |  |  |  |  |  |  |
- Italian subsidiaries |  | 1,920 |  |  | 439 |  |  | 199 |
- subsidiaries of the Exploration & Production segment - outside Italy |  | 7,027 |  |  | 3,609 |  |  | 1,517 |
- other subsidiaries - outside Italy |  | 944 |  |  | 157 |  |  | 84 |
|  | 9,891 |  |  | 4,205 |  |  | 1,800 |
Net deferred taxes: |  |  |  |  |  |  |  |  |
- Italian subsidiaries |  | (2,191 | ) |  | (45 | ) |  | 672 |
- subsidiaries of the Exploration & Production segment - outside Italy |  | 713 |  |  | 552 |  |  | 73 |
- other subsidiaries - outside Italy |  | (325 | ) |  | 133 |  |  | 105 |
|  | (1,803 | ) |  | 640 |  |  | 850 |
|  | 8,088 |  |  | 4,845 |  |  | 2,650 |
Schedule of detailed information about the reconciliation between the statutory tax charge and the effective tax charge | The reconciliation between the statutory tax charge calculated by applying the Italian statutory tax rate of 24% (same amount in 2021 and 2020) and the effective tax charge is the following:
(€ million) |  | 2022 |  |  | 2021 |  |  | 2020 |
Profit (loss) before taxation |  | 22,049 |  |  | 10,685 |  |  | (5,978 | )
Tax rate (IRES) (%) |  | 24.0 |  |  | 24.0 |  |  | 24.0 |
Statutory corporation tax charge (credit) on profit or loss |  | 5,292 |  |  | 2,564 |  |  | (1,435 | )
Increase (decrease) resulting from: |  |  |  |  |  |  |  |  |
- higher tax charges related to subsidiaries outside Italy |  | 3,388 |  |  | 2,301 |  |  | 1,980 |
- extraordinary contributions for Italian companies in energy sector |  | 1,971 |  |  |  |  |  |  |
- impact pursuant to foreign tax effects of italian entities |  | 66 |  |  | 108 |  |  | 108 |
- effect of the valuation of the investments under the equity method |  | 50 |  |  | 180 |  |  | 97 |
- effect due to the tax regime provided for intercompany dividends |  | 11 |  |  | 54 |  |  | 96 |
- Italian regional income tax (IRAP) |  | (18 | ) |  | 140 |  |  | 107 |
- tax effects related to previous years |  | (19 | ) |  | 52 |  |  | (30 | )
- effect of reversals (impairments) of deferred tax assets |  | (241 | ) |  |  |  |  |  |
- impact pursuant to (reversal) impairment of deferred tax assets |  | (2,087 | ) |  | (666 | ) |  | 1,785 |
- other adjustments |  | (325 | ) |  | 112 |  |  | (58 | )
|  | 2,796 |  |  | 2,281 |  |  | 4,085 |
Effective tax charge |  | 8,088 |  |  | 4,845 |  |  | 2,650 |

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