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Trade Receivables and Other - Summary of Carrying Amounts of Total Trade Receivables - Net by Currency (Detail) - EUR (€) € in Millions | Jun. 30, 2018 | Dec. 31, 2017
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Trade receivables [line items] |  |
Total trade receivables-net | € 526 | € 306
Euro [member] |  |
Trade receivables [line items] |  |
Total trade receivables-net | 267 | 124
U.S. Dollar [member] |  |
Trade receivables [line items] |  |
Total trade receivables-net | 232 | 164
Swiss Franc [member] |  |
Trade receivables [line items] |  |
Total trade receivables-net | 8 | 4
Other currencies [member] |  |
Trade receivables [line items] |  |
Total trade receivables-net | € 19 | € 14

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- Definition The amount due from customers for goods and services sold. + 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 + Details
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- Details
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- Details
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- Details
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