Segment Information - Summary of Key Financial Performance Measures of Segments Including Revenue, Cost of Revenue, and Gross Profit (Details) - EUR (€) € in Millions	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Disclosure Of Operating Segments [Line Items]
Revenue	€ 6,764	€ 5,259	€ 4,090
Cost of revenue	5,042	3,906	3,241
Gross (loss)/profit	1,722	1,353	849
Premium
Disclosure Of Operating Segments [Line Items]
Revenue	6,086	4,717	3,674
Cost of revenue	4,465	3,461	2,868
Gross (loss)/profit	1,621	1,256	806
Ad-Supported
Disclosure Of Operating Segments [Line Items]
Revenue	678	542	416
Cost of revenue	577	445	373
Gross (loss)/profit	€ 101	€ 97	€ 43

Expiry date 2020-01-01: The income arising in the course of an entity's ordinary activities. Income is increases in economic benefits during the accounting period in the form of inflows or enhancements of assets or decreases of liabilities that result in an increase in equity, other than those relating to contributions from equity participants. Effective 2020-01-01: The income arising in the course of an entity's ordinary activities. Income is increases in assets, or decreases in liabilities, that result in increases in equity, other than those relating to contributions from holders of equity claims.

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+ Details