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Right-of-use assets and lease liabilities - Liabilities for leased assets - (Details) - EUR (€) € in Millions | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019
Lease liabilities |  |
Book amount at the beginning of the year | € 5,648 |
Additions | 808 | € 668
Decreases | (869) | (877)
Currency translation differences | (309) | 87
Other changes | (260) | (41)
Book amount at the end of the year | 5,018 | 5,648
Cash payments for the principal portion of the lease liabilities | 869 |
Cash payments for the interest portion of lease liabilities | 329 |
Current portion of long-term lease liabilities |  |
Lease liabilities |  |
Book amount at the beginning of the year | 889 |
Decreases | (866) | (875)
Currency translation differences | (40) | 10
Other changes | 866 | 960
Book amount at the end of the year | 849 | 889
Long-term lease liabilities |  |
Lease liabilities |  |
Book amount at the beginning of the year | 4,759 |
Additions | 808 | 668
Decreases | (3) | (2)
Currency translation differences | (269) | 77
Other changes | (1,126) | (1,001)
Book amount at the end of the year | 4,169 | 4,759
Joint operations |  |
Lease liabilities |  |
Book amount at the beginning of the year | 1,976 |
Book amount at the end of the year | 1,652 | 1,976
US Dollars |  |
Lease liabilities |  |
Book amount at the end of the year | 3,447 |
Euro |  |
Lease liabilities |  |
Book amount at the end of the year | € 1,411 |
Increase (decrease) due to application of IFRS 16 |  |
Lease liabilities |  |
First adoption IFRS 16 at beginning of period |  | 5,656
Reclassifications at beginning of period |  | 168
Reclassifications to liabilities directly associated with assets held for sale at beginning of period |  | (13)
Increase (decrease) due to application of IFRS 16 | Current portion of long-term lease liabilities |  |
Lease liabilities |  |
First adoption IFRS 16 at beginning of period |  | 665
Reclassifications at beginning of period |  | 132
Reclassifications to liabilities directly associated with assets held for sale at beginning of period |  | (3)
Increase (decrease) due to application of IFRS 16 | Long-term lease liabilities |  |
Lease liabilities |  |
First adoption IFRS 16 at beginning of period |  | 4,991
Reclassifications at beginning of period |  | 36
Reclassifications to liabilities directly associated with assets held for sale at beginning of period |  | (10)
After initial application |  |
Lease liabilities |  |
Book amount at the beginning of the year |  | 5,811
After initial application | Current portion of long-term lease liabilities |  |
Lease liabilities |  |
Book amount at the beginning of the year |  | 794
After initial application | Long-term lease liabilities |  |
Lease liabilities |  |
Book amount at the beginning of the year |  | € 5,017

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- Definition The amount of additions to lease liabilities + References No definition available. + Details
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- Definition The cash outflow for the interest on lease liabilities + References No definition available. + Details
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- Definition The cash outflow for the principal portion of lease liabilities + References No definition available. + Details
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- Definition The amount of decreases to lease liabilities. + References No definition available. + Details
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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table. + References No definition available. + Details
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- Definition The increase (decrease) in lease liabilities resulting from net exchange differences arising on the translation of the financial statements from the functional currency into a different presentation currency, including the translation of a foreign operation into the presentation currency of the reporting entity. + References No definition available. + Details
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- Definition The increase (decrease) in lease liabilities resulting from changes that the entity does not separately disclose in the same statement or note. + References No definition available. + Details
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- Definition The amount of liabilities for leased assets recognized on first adoption of IFRS 16. + References No definition available. + Details
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- Definition The amount of liabilities reclassified into lease liabilities + References No definition available. + Details
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- Definition Amount of lease liabilities reclassified to liabilities directly associated with assets held for sale. + References No definition available. + Details
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- Definition The amount of liabilities related to the entity's leases. Lease is a contract, or part of a contract, that conveys the right to use an underlying asset for a period of time in exchange for consideration. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 16 -IssueDate 2020-01-01 -Paragraph 47 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2020-en-r&anchor=para_47_b&doctype=Standard -URIDate 2020-01-01 + Details
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