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Acquisitions and Disposals - Summary of Impact of the Decrease in Shareholding on the Equity Attributable to Shareholders of the Group (Detail) - Unilever PLC [member] € in Millions | 12 Months Ended
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Dec. 31, 2020 EUR (€)
Disclosure Of Impact Of The Decrease In Shareholding On The Equity Attributable To Shareholders Of The Group [Line Items] |
Net assets acquired before acquisition of GSKCH | € 718
Net assets acquired after acquisition of GSKCH | 661
Loss recognised in equity due to dilution | (57)
Gain arising from proportionate share of GSKCH's net assets acquired | 3,001
Net gain arising from the Main Horlicks Acquisition recognised in equity | € 2,944

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