CASH AND CASH EQUIVALENTS - Additional Information (Details) - EUR (€) € in Millions	Dec. 31, 2019	Dec. 31, 2018
Disclosure of cash and cash equivalents [line Items]
Cash in bank and on hand	€ 184	€ 164
Subsidiaries in capital control restrictions countries
Disclosure of cash and cash equivalents [line Items]
Cash in bank and on hand	€ 22	€ 18

The amount of cash on hand and demand deposits. [Refer: Cash on hand]

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 7
-IssueDate 2019-01-01
-Paragraph 45
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2019-en-r&anchor=para_45&doctype=Standard
-URIDate 2019-03-27

Name:	ifrs-full_Cash
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant