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Provisions for contingencies (Details) - EUR (€) € in Millions | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Disclosure of other Provisions Contingent Liabilities and Contingent Assets Explanatory [Line Items] |  |  |  |
Carrying amount |  | € 13,447 |  |
New or increased provisions |  | 1,363 |  |
Initial recognition and changes in estimates |  | (502) |  |
Accretion discount | [1] | 249 | € 264 | € 312
Reversal of utilized provisions |  | (1,443) |  |
Reversal of unutilized provisions |  | (389) |  |
Changes in the scope of consolidation |  | (1,051) |  |
Currency translation differences |  | 210 |  |
Other changes |  | 2 |  |
Carrying amount |  | 11,886 | 13,447 |
Provision For Decommissioning Restoration And Rehabilitation Costs And Social Projects [Member] |  |  |  |
Disclosure of other Provisions Contingent Liabilities and Contingent Assets Explanatory [Line Items] |  |  |  |
Carrying amount |  | 8,126 |  |
Initial recognition and changes in estimates |  | (502) |  |
Accretion discount |  | 259 |  |
Reversal of utilized provisions |  | (190) |  |
Changes in the scope of consolidation |  | (1,024) |  |
Currency translation differences |  | 153 |  |
Other changes |  | (45) |  |
Carrying amount |  | 6,777 | 8,126 |
Environment Related Provision [Member] |  |  |  |
Disclosure of other Provisions Contingent Liabilities and Contingent Assets Explanatory [Line Items] |  |  |  |
Carrying amount |  | 2,653 |  |
New or increased provisions |  | 299 |  |
Accretion discount |  | (12) |  |
Reversal of utilized provisions |  | (287) |  |
Reversal of unutilized provisions |  | (33) |  |
Changes in the scope of consolidation |  | (11) |  |
Other changes |  | (14) |  |
Carrying amount |  | 2,595 | 2,653 |
Legal proceedings provision [member] |  |  |  |
Disclosure of other Provisions Contingent Liabilities and Contingent Assets Explanatory [Line Items] |  |  |  |
Carrying amount |  | 1,107 |  |
New or increased provisions |  | 148 |  |
Accretion discount |  | 2 |  |
Reversal of utilized provisions |  | (214) |  |
Reversal of unutilized provisions |  | (289) |  |
Changes in the scope of consolidation |  | (1) |  |
Currency translation differences |  | 34 |  |
Other changes |  | 37 |  |
Carrying amount |  | 824 | 1,107 |
Provision For Taxes [Member] |  |  |  |
Disclosure of other Provisions Contingent Liabilities and Contingent Assets Explanatory [Line Items] |  |  |  |
Carrying amount |  | 527 |  |
New or increased provisions |  | 73 |  |
Reversal of utilized provisions |  | (118) |  |
Reversal of unutilized provisions |  | (31) |  |
Changes in the scope of consolidation |  | (8) |  |
Currency translation differences |  | 17 |  |
Other changes |  | (20) |  |
Carrying amount |  | 440 | 527 |
Loss adjustments and actuarial provisions [Member] |  |  |  |
Disclosure of other Provisions Contingent Liabilities and Contingent Assets Explanatory [Line Items] |  |  |  |
Carrying amount |  | 205 |  |
New or increased provisions |  | 493 |  |
Reversal of utilized provisions |  | (481) |  |
Other changes |  | 110 |  |
Carrying amount |  | 327 | 205 |
Provision for losses on investments [Member] |  |  |  |
Disclosure of other Provisions Contingent Liabilities and Contingent Assets Explanatory [Line Items] |  |  |  |
Carrying amount |  | 182 |  |
New or increased provisions |  | 48 |  |
Reversal of unutilized provisions |  | (1) |  |
Currency translation differences |  | 2 |  |
Other changes |  | (27) |  |
Carrying amount |  | 204 | 182 |
Provision for oil insurance cover [Member] |  |  |  |
Disclosure of other Provisions Contingent Liabilities and Contingent Assets Explanatory [Line Items] |  |  |  |
Carrying amount |  | 76 |  |
New or increased provisions |  | 51 |  |
Other changes |  | 3 |  |
Carrying amount |  | 130 | 76 |
Provision for redundancy incentives [Member] |  |  |  |
Disclosure of other Provisions Contingent Liabilities and Contingent Assets Explanatory [Line Items] |  |  |  |
Carrying amount |  | 140 |  |
New or increased provisions |  | 9 |  |
Reversal of utilized provisions |  | (17) |  |
Reversal of unutilized provisions |  | (17) |  |
Changes in the scope of consolidation |  | (5) |  |
Other changes |  | (2) |  |
Carrying amount |  | 108 | 140 |
Restructuring provision [member] |  |  |  |
Disclosure of other Provisions Contingent Liabilities and Contingent Assets Explanatory [Line Items] |  |  |  |
Carrying amount |  | 65 |  |
New or increased provisions |  | 19 |  |
Reversal of utilized provisions |  | (14) |  |
Other changes |  | (4) |  |
Carrying amount |  | 66 | 65 |
Provision for onerous contracts [Member] |  |  |  |
Disclosure of other Provisions Contingent Liabilities and Contingent Assets Explanatory [Line Items] |  |  |  |
Carrying amount | [2] | 60 |  |
Reversal of utilized provisions | [2] | (22) |  |
Carrying amount | [2] | 38 | 60 |
Miscellaneous Other Provisions [Member] |  |  |  |
Disclosure of other Provisions Contingent Liabilities and Contingent Assets Explanatory [Line Items] |  |  |  |
Carrying amount | [2] | 306 |  |
New or increased provisions | [2] | 223 |  |
Reversal of utilized provisions | [2] | (100) |  |
Reversal of unutilized provisions | [2] | (18) |  |
Changes in the scope of consolidation | [2] | (2) |  |
Currency translation differences | [2] | 4 |  |
Other changes | [2] | (36) |  |
Carrying amount | [2] | € 377 | € 306 |
[1] | The item related to the increase in provisions for contingencies that are shown at present value in non-current liabilities.
[2] | Each individual amount included herein was lower than €50 million.

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