Revenue Recognition - Additional Information (Detail) - EUR (€) € in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2019 |
Dec. 31, 2018 |
Dec. 31, 2017 |
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| Contract Liabilities [Abstract] | |||
| Deferred revenue | € 319 | € 258 | |
| Description of when entity typically satisfies performance obligations | over a period up to a year | ||
| Revenue recognition | € 248 | € 210 | € 149 |
| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition The amount of current contract liabilities. [Refer: Contract liabilities] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition The description of when the entity typically satisfies its performance obligations. [Refer: Performance obligations [member]] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition The amount of revenue from contracts with customers. A customer is a party that has contracted with an entity to obtain goods or services that are an output of the entity’s ordinary activities in exchange for consideration. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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