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Trade and Other Current Receivables - Summary of Trade and Other Current Receivables (Parenthetical) (Detail) - EUR (€) € in Millions | Dec. 31, 2018 | Dec. 31, 2017
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Trade and Other Current Receivables [Line Items] |  |
Trade receivables | € 4,350 | € 3,439
KKR [member] |  |
Trade and Other Current Receivables [Line Items] |  |
Trade receivables | € 677 |

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- Definition The amount of current trade receivables. [Refer: Trade receivables] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 1 -IssueDate 2017-01-01 -Paragraph 78 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_78_b&doctype=Standard -URIDate 2017-03-09 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 1 -IssueDate 2017-01-01 -Paragraph 68 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_68&doctype=Standard -URIDate 2017-03-09 + Details
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- Definition Trade and other current receivables. + References No definition available. + Details
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Period Type: | duration

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |