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Costs (Details) - EUR (€) € in Millions | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Costs |  |  |
Production costs - raw, ancillary and consumable materials and goods | € 21,432 | € 36,272 | € 41,125
Production costs - services | 9,710 | 11,589 | 10,625
Lease expense and other | 876 | 1,478 | 1,820
Net provisions for contingencies | 349 | 858 | 1,120
Other expenses | 1,317 | 879 | 1,130
Purchase, services and other charges gross | 33,684 | 51,076 | 55,820
capitalized direct costs associated with self-constructed assets - tangible assets | (128) | (197) | (192)
capitalized direct costs associated with self-constructed assets - intangible assets | (5) | (5) | (6)
Purchases, services and other | € 33,551 | € 50,874 | € 55,622

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- Definition The amount of expenses that the entity does not separately disclose in the same statement or note when the entity uses the 'nature of expense' form for its analysis of expenses. [Refer: Expenses, by nature] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 102 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_102&doctype=Standard -URIDate 2020-01-01 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 99 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_99&doctype=Standard -URIDate 2020-01-01 + Details
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