PROVISIONS AND CONTINGENCIES - Contingencies (Details) $ in Millions	12 Months Ended
Dec. 31, 2019 USD ($)
PROVISIONS AND CONTINGENCIES
Received from successful settlement	$ 0

The gain on settlements of litigation.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 1
-IssueDate 2019-01-01
-Paragraph 98
-Subparagraph f
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_98_f&doctype=Standard
-URIDate 2019-03-27

Name:	ifrs-full_GainsOnLitigationSettlements
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration