Financial Income, Net (Details) - EUR (€) € in Millions	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Financial Income, Net
Finance income	€ 787	€ 371	€ 476
Thereof gains from financial assets at fair value through profit or loss (2017: from available-for-sale financial assets)	596	227	382
Finance costs	(589)	(418)	(288)
Thereof interest expense from financial liabilities at amortized cost	(207)	(106)	(89)
Thereof interest expense from financial liabilities at fair value through profit or loss (2017: from available-for-sale financial liabilities)	(155)	(206)	(116)
Financial income, net	€ 198	€ (47)	€ 188

The amount of costs associated with financing activities of the entity.

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The amount of income associated with interest and other financing activities of the entity.

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The amount of income or cost associated with interest and other financing activities of the entity.

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The gains (losses) on financial assets at fair value through profit or loss. [Refer: Financial assets at fair value through profit or loss]

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The amount of interest expense for financial liabilities that are not at fair value through profit or loss. [Refer: At fair value [member]; Interest expense; Financial liabilities]

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The amount of interest expense on financial liabilities designated at fair value through profit or loss. [Refer: Interest expense; Financial liabilities at fair value through profit or loss, designated upon initial recognition or subsequently]

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