Financial Income, Net (Details) - EUR (€) € in Millions	12 Months Ended
Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Financial Income, Net
Finance income	€ 1,473	€ 787	€ 371
Thereof gains from financial assets at fair value through profit or loss	1,360	596	227
Finance costs	(697)	(589)	(418)
Thereof interest expense from financial liabilities at amortized cost	(179)	(207)	(106)
Thereof interest expense from financial liabilities at fair value through profit or loss	(76)	(155)	(206)
Financial income, net	€ 776	€ 198	€ (47)

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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