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Investments Accounted for Under Equity Method - Additional Information (Detail) € in Millions	12 Months Ended
	Dec. 31, 2017 EUR (€)
Share of profit (loss) of associates and joint ventures accounted for using equity method [abstract]
Share of losses of joint-ventures in excess of initial investment	€ 14

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- Definition

Cumulative share of profit (loss) of joint ventures accounted for using equity method.

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No definition available.

+ Details

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No definition available.

+ Details

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