GOODWILL GOODWILL (Narrative) (Details)	12 Months Ended
Dec. 31, 2020
Bottom of range
Disclosure of information for cash-generating units [line items]
Discount rate applied to cash flow projections	11.00%
Terminal rate applied to cash flow projections	900.00%
Period over which management has projected cash flows	7 years
Top of range
Disclosure of information for cash-generating units [line items]
Discount rate applied to cash flow projections	14.00%
Terminal rate applied to cash flow projections	1200.00%
Period over which management has projected cash flows	21 years

The discount rate applied to cash flow projections for a cash-generating unit (group of units). [Refer: Cash-generating units [member]]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 36
-IssueDate 2020-01-01
-Paragraph 134
-Subparagraph d
-Clause v
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=36&code=ifrs-tx-2020-en-r&anchor=para_134_d_v&doctype=Standard
-URIDate 2020-01-01

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 36
-IssueDate 2020-01-01
-Paragraph 134
-Subparagraph e
-Clause v
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=36&code=ifrs-tx-2020-en-r&anchor=para_134_e_v&doctype=Standard
-URIDate 2020-01-01

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant