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Segment Information - Summary of Additional Information by Geographies (Detail) - EUR (€) € in Millions | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Additional information by geographies [Line Items] |  |  |
Turnover | € 53,715 | € 52,713 | € 53,272
Operating profit | 8,857 | 7,801 | 7,515
Non-underlying items | 543 | 823 | 796
Underlying operating profit | 9,400 | 8,624 | 8,311
Share of net profit/(loss) of joint ventures and associates | 155 | 127 | 107
Asia/AMET/RUB [member] |  |  |
Additional information by geographies [Line Items] |  |  |
Turnover | 23,266 | 22,445 | 22,425
Operating profit | 3,802 | 3,275 | 3,019
Non-underlying items | 306 | 254 | 181
Underlying operating profit | 4,108 | 3,529 | 3,200
Share of net profit/(loss) of joint ventures and associates | 12 | (2) | (1)
The Americas [member] |  |  |
Additional information by geographies [Line Items] |  |  |
Turnover | 17,525 | 17,105 | 17,294
Operating profit | 3,086 | 2,504 | 2,273
Non-underlying items | (23) | 401 | 399
Underlying operating profit | 3,063 | 2,905 | 2,672
Share of net profit/(loss) of joint ventures and associates | 112 | 108 | 96
Europe [member] |  |  |
Additional information by geographies [Line Items] |  |  |
Turnover | 12,924 | 13,163 | 13,553
Operating profit | 1,969 | 2,022 | 2,223
Non-underlying items | 260 | 168 | 216
Underlying operating profit | 2,229 | 2,190 | 2,439
Share of net profit/(loss) of joint ventures and associates | € 31 | € 21 | € 12

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