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Goodwill and Intangible Assets - Summary of Goodwill and Indefinite-life Intangible Assets Held in Significant CGUs for Multiple Cash Generating Units (Detail) - EUR (€) € in Millions | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Disclosure of detailed information about intangible assets [line items] |  |  |
Goodwill |  | € 18,942 | € 18,067
Food and Refreshment [Member] | Europe [member] |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |
Goodwill |  | 4,000 | 4,100
Indefinite-life intangible assets |  | 1,700 | 1,700
Food and Refreshment [Member] | The Americas [member] |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |
Goodwill |  | 3,400 | 4,000
Indefinite-life intangible assets |  | 1,900 | 2,100
Food and Refreshment [Member] | Asia/AMET/RUB [member] |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |
Goodwill | [1] | 3,700 | 1,900
Indefinite-life intangible assets | [1] | 3,700 | 500
Beauty & Personal Care [member] | The Americas [member] |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |
Goodwill |  | 3,800 | 4,300
Indefinite-life intangible assets |  | 3,100 | 3,100
Beauty & Personal Care [member] | Asia/AMET/RUB [member] |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |
Goodwill |  | 1,600 | 1,700
Indefinite-life intangible assets |  | 1,900 | 2,000
Total significant CGUs |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |
Goodwill |  | 16,500 | 16,000
Indefinite-life intangible assets |  | 12,300 | 9,400
Others |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |
Goodwill | [2] | 2,400 | 2,100
Indefinite-life intangible assets | [2] | 2,900 | 2,500
Total CGUs |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |
Goodwill |  | 18,900 | 18,100
Indefinite-life intangible assets |  | € 15,200 | € 11,900
[1] | The Main Horlicks Acquisition increased goodwill by €2.0 billion and indefinite-life intangible assets by €3.3 billion in 2020. These values are provisional.
[2] | Included within Others are individually insignificant amounts of goodwill and intangible assets that have been allocated between multiple cash generating units.

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