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Deferred tax assets and liabilities - Significant temporary differences (Details) - EUR (€) € in Millions | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Temporary differences |  |
Deferred tax liabilities before offsetting | € 9,315 | € 10,668
Deferred tax assets | (8,790) | (8,546)
Deferred tax assets, gross |  |
Temporary differences |  |
Deferred tax assets | (14,960) | (17,150)
Accumulated impairment |  |
Temporary differences |  |
Accumulated write-downs of deferred tax assets | 6,170 | 8,604
Accelerated tax depreciation |  |
Temporary differences |  |
Deferred tax liabilities before offsetting | 6,707 | 7,346
Derivatives |  |
Temporary differences |  |
Deferred tax liabilities before offsetting | 788 | 916
Derivatives | Deferred tax assets, gross |  |
Temporary differences |  |
Deferred tax assets | (60) | (343)
Difference between the fair value and the carrying amount of assets acquired |  |
Temporary differences |  |
Deferred tax liabilities before offsetting | 288 | 408
Site restoration and abandonment (tangible assets) |  |
Temporary differences |  |
Deferred tax liabilities before offsetting | 276 | 166
Leasing |  |
Temporary differences |  |
Deferred tax liabilities before offsetting | 162 | 1,076
Leasing | Deferred tax assets, gross |  |
Temporary differences |  |
Deferred tax assets | (182) | (1,091)
Application of the weighted average cost method in evaluation of inventories |  |
Temporary differences |  |
Deferred tax liabilities before offsetting | 52 | 87
Unused tax losses | Deferred tax assets, gross |  |
Temporary differences |  |
Deferred tax assets | (6,752) | (7,374)
Site restoration and abandonment (provisions for contingencies) | Deferred tax assets, gross |  |
Temporary differences |  |
Deferred tax assets | (1,986) | (2,400)
Timing differences on depreciation and amortization | Deferred tax assets, gross |  |
Temporary differences |  |
Deferred tax assets | (1,710) | (2,354)
Impairment losses | Deferred tax assets, gross |  |
Temporary differences |  |
Deferred tax assets | (1,490) | (1,095)
Accruals for impairment losses and provisions for contingencies | Deferred tax assets, gross |  |
Temporary differences |  |
Deferred tax assets | (1,246) | (1,417)
Employee benefits | Deferred tax assets, gross |  |
Temporary differences |  |
Deferred tax assets | (161) | (155)
Unrealized intercompany profits | Deferred tax assets, gross |  |
Temporary differences |  |
Deferred tax assets | (68) | (71)
Over/Under lifting | Deferred tax assets, gross |  |
Temporary differences |  |
Deferred tax assets | (59) | (219)
Other temporary differences |  |
Temporary differences |  |
Deferred tax liabilities before offsetting | 1,042 | 669
Other temporary differences | Deferred tax assets, gross |  |
Temporary differences |  |
Deferred tax assets | € (1,246) | € (631)

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