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Provisions for contingencies (Details) € in Millions | 12 Months Ended
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Dec. 31, 2017 EUR (€)
DisclosureOfOtherProvisionsContingentLiabilitiesAndContingentAssetsExplanatoryLineItems [Line Items] |  |
Carrying amount | € 13,896 |
New or increased provisions | 1,391 |
Initial recognition and changes in estimates | 370 |
Accretion discount | 264 |
Reversal of utilized provisions | (1,426) |
Reversal of unutilized provisions | (200) |
Currency translation differences | (834) |
Other changes | (14) |
Carrying amount | 13,447 |
Provision For Decommissioning Restoration And Rehabilitation Costs [Member] |  |
DisclosureOfOtherProvisionsContingentLiabilitiesAndContingentAssetsExplanatoryLineItems [Line Items] |  |
Carrying amount | 8,419 |
Initial recognition and changes in estimates | 370 |
Accretion discount | 271 |
Reversal of utilized provisions | (289) |
Reversal of unutilized provisions | (10) |
Currency translation differences | (646) |
Other changes | 11 |
Carrying amount | 8,126 |
Environment Related Provision [Member] |  |
DisclosureOfOtherProvisionsContingentLiabilitiesAndContingentAssetsExplanatoryLineItems [Line Items] |  |
Carrying amount | 2,691 |
New or increased provisions | 217 |
Accretion discount | (9) |
Reversal of utilized provisions | (237) |
Reversal of unutilized provisions | (17) |
Currency translation differences | (1) |
Other changes | 9 |
Carrying amount | 2,653 |
Legal Proceedings Provision [Member] |  |
DisclosureOfOtherProvisionsContingentLiabilitiesAndContingentAssetsExplanatoryLineItems [Line Items] |  |
Carrying amount | 954 |
New or increased provisions | 567 |
Accretion discount | 1 |
Reversal of utilized provisions | (281) |
Reversal of unutilized provisions | (50) |
Currency translation differences | (95) |
Other changes | 11 |
Carrying amount | 1,107 |
Provision For Taxes [Member] |  |
DisclosureOfOtherProvisionsContingentLiabilitiesAndContingentAssetsExplanatoryLineItems [Line Items] |  |
Carrying amount | 732 |
New or increased provisions | 162 |
Reversal of utilized provisions | (225) |
Reversal of unutilized provisions | (52) |
Currency translation differences | (66) |
Other changes | (24) |
Carrying amount | 527 |
Loss adjustments and actuarial provisions [Member] |  |
DisclosureOfOtherProvisionsContingentLiabilitiesAndContingentAssetsExplanatoryLineItems [Line Items] |  |
Carrying amount | 207 |
New or increased provisions | 181 |
Reversal of utilized provisions | (190) |
Other changes | 7 |
Carrying amount | 205 |
Provision for redundancy incentives [Member] |  |
DisclosureOfOtherProvisionsContingentLiabilitiesAndContingentAssetsExplanatoryLineItems [Line Items] |  |
Carrying amount | 176 |
New or increased provisions | 9 |
Accretion discount | 1 |
Reversal of utilized provisions | (17) |
Reversal of unutilized provisions | (32) |
Other changes | 3 |
Carrying amount | 140 |
Onerous Contracts Provision [Member] |  |
DisclosureOfOtherProvisionsContingentLiabilitiesAndContingentAssetsExplanatoryLineItems [Line Items] |  |
Carrying amount | 165 |
Accretion discount | 2 |
Reversal of utilized provisions | (99) |
Reversal of unutilized provisions | (1) |
Currency translation differences | (7) |
Carrying amount | 60 |
Provision for losses on investments [Member] |  |
DisclosureOfOtherProvisionsContingentLiabilitiesAndContingentAssetsExplanatoryLineItems [Line Items] |  |
Carrying amount | 153 |
New or increased provisions | 46 |
Reversal of unutilized provisions | (10) |
Currency translation differences | (7) |
Carrying amount | 182 |
Provision for Oil insurance cover [Member] |  |
DisclosureOfOtherProvisionsContingentLiabilitiesAndContingentAssetsExplanatoryLineItems [Line Items] |  |
Carrying amount | 88 |
Reversal of unutilized provisions | (3) |
Currency translation differences | (1) |
Other changes | (8) |
Carrying amount | 76 |
Disposal And Restructuring Provision [Member] |  |
DisclosureOfOtherProvisionsContingentLiabilitiesAndContingentAssetsExplanatoryLineItems [Line Items] |  |
Carrying amount | 58 |
New or increased provisions | 16 |
Reversal of utilized provisions | (13) |
Other changes | 4 |
Carrying amount | 65 |
Miscellaneous Other Provisions [Member] |  |
DisclosureOfOtherProvisionsContingentLiabilitiesAndContingentAssetsExplanatoryLineItems [Line Items] |  |
Carrying amount | 253 | [1]
New or increased provisions | 193 | [1]
Accretion discount | (2) | [1]
Reversal of utilized provisions | (75) | [1]
Reversal of unutilized provisions | (25) | [1]
Currency translation differences | (11) | [1]
Other changes | (27) | [1]
Carrying amount | € 306 | [1]
[1] | Each individual amount included herein was lower than &euro;50 million.

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