Principal Accountant Fees and Services (Details) - EUR (€) € in Millions	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Disclosures
Audit fees	€ 10	€ 9	€ 10
Audit-related fees	1	0	0
Tax fees	0	0	0
All other fees	0	0	0
Total	10	9	10
Germany
Disclosures
Audit fees	3	3	3
Audit-related fees	0	0	0
Tax fees	0	0	0
All other fees	0	0	0
Total	3	3	3
Foreign
Disclosures
Audit fees	7	6	7
Audit-related fees	1	0	0
Tax fees	0	0	0
All other fees	0	0	0
Total	€ 8	€ 6	€ 7

The amount of fees paid or payable to the entity's auditors.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2019-01-01
-Paragraph 112
-Subparagraph c
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-URIDate 2019-03-27

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