Operating Costs and Non-underlying Items - Summary of Other Operating Income Expense (Detail) - EUR (€) € in Millions	12 Months Ended
Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Gross Profit And Operating Costs [Line Items]
Staff costs	€ (6,712)	€ (6,523)	€ (6,555)
Raw and packaging materials and goods purchased for resale	(21,579)	(21,122)	(21,543)
Amortisation of finite-life intangible assets and software	(365)	(310)	(273)
Depreciation of property, plant and equipment	(1,173)	(1,154)	(1,097)
Exchange gains/(losses)	(214)	(209)	(87)
Lease rentals	(557)	(531)	(534)
Minimum operating lease payments	(568)	(536)	(546)
Less: Sub-lease income relating to operating lease agreements	11	5	12
On underlying transactions [member]
Gross Profit And Operating Costs [Line Items]
Exchange gains/(losses)	(51)	(28)	(118)
On covering forward contracts [member]
Gross Profit And Operating Costs [Line Items]
Exchange gains/(losses)	€ (163)	€ (181)	€ 31

The amount of amortisation expense. Amortisation is the systematic allocation of depreciable amounts of intangible assets over their useful lives.

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The amount of depreciation of property, plant and equipment. [Refer: Depreciation and amortisation expense; Property, plant and equipment]

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The expense of all forms of consideration given by an entity in exchange for a service rendered by employees or for the termination of employment.

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The amount of payments on leases and subleases recognised as an expense by the lessee.

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The portion of operating lease payments that the lessee is or can be required to make, excluding contingent rent, costs for services and taxes to be paid by, and reimbursed to, the lessor, together with any amounts guaranteed by the lessee or by a party related to the lessee recognised as an expense.

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The amount of operating lease income. Operating lease is a lease that does not transfer substantially all the risks and rewards incidental to ownership of an underlying asset.

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The amount of raw materials and consumables used in the production process or in the rendering of services. [Refer: Current raw materials]

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Gain losses on exchange difference amounts on forward contracts and underlying transactions.

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Gross profit and operating costs [Line Items]

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