Share-Based Payments - Allocation Expense by Function (Details) - EUR (€) € in Millions	12 Months Ended
Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Allocation of Share-Based Payment Expense by function
Cost of cloud and software	€ 78	€ 115	€ 89
Cost of services	142	158	101
Research and development	210	269	190
Sales and marketing	312	442	292
General and administration	88	135	113
Share-based payments	830	1,120	785
Thereof cash-settled share-based payments	674	963	678
Thereof equity-settled share-based payments	€ 156	€ 157	€ 107

The amount of expense arising from cash-settled share-based payment transactions in which the goods or services received did not qualify for recognition as assets. [Refer: Expense from share-based payment transactions in which goods or services received did not qualify for recognition as assets]

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The amount of expense arising from equity-settled share-based payment transactions in which the goods or services received did not qualify for recognition as assets. [Refer: Expense from share-based payment transactions in which goods or services received did not qualify for recognition as assets]

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The amount of expense arising from share-based payment transactions in which the goods or services received did not qualify for recognition as assets and presented in the income statement under functional area of of cloud and software.

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