SHARE CAPITAL (Details) - Common shares - shares shares in Millions	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020
Reconciliation of number of shares outstanding [abstract]
Outstanding, beginning of the year	475.3	469.0
Issuance of shares	0.0	3.3
Issuance of shares for share-based compensation	1.7	3.0
Outstanding, end of the year	477.0	475.3

The number of shares that have been authorised and issued, reduced by treasury shares held. [Refer: Treasury shares]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 1
-IssueDate 2021-01-01
-Paragraph 79
-Subparagraph a
-Clause iv
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_79_a_iv&doctype=Standard
-URIDate 2021-03-24

Name:	ifrs-full_NumberOfSharesOutstanding
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant