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Goodwill and Intangible Assets - Summary of Net Book Value Goodwill and Intangible Assets (Parenthetical) (Detail) - EUR (€) € in Millions | 12 Months Ended |
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Dec. 31, 2017 | Dec. 31, 2016
Disclosure of reconciliation of changes in intangible assets and goodwill [Line Items] |  |
Indefinite-life intangible assets that have significant carrying value | € 28,401 | € 27,433
Spreads business [member] |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [Line Items] |  |
Goodwill and intangibles reclassified as held for sale | 2,311 |
Knorr [member] |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [Line Items] |  |
Indefinite-life intangible assets that have significant carrying value | 1,770 | 1,866
Carver Koree [member] |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [Line Items] |  |
Indefinite-life intangible assets that have significant carrying value | 1,520 | 0
Hellmann's [member] |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [Line Items] |  |
Indefinite-life intangible assets that have significant carrying value | € 1,160 | € 1,302

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- Definition The decrease in intangible assets and goodwill resulting from classification as held for sale or inclusion in a disposal group classified as held for sale. [Refer: Disposal groups classified as held for sale [member]; Intangible assets and goodwill] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 38 -IssueDate 2016-01-13 -Paragraph 118 -Subparagraph e -Clause ii -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=38&date=2016-03-30&anchor=para_118_e_ii&doctype=Standard -URIDate 2016-03-31 + 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 amount of intangible assets and goodwill held by the entity. [Refer: Goodwill; Intangible assets other than goodwill] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2016-01-13 -Paragraph 55 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2016-03-30&anchor=para_55&doctype=Standard -URIDate 2016-03-31 + Details
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