FINANCIAL LIABILITIES (Details) - USD ($) $ in Millions	Dec. 31, 2020	Dec. 31, 2019
Current:
Inflation swaps	$ 23	$ 6
Total current financial liabilities	23	6
Non-current:
Inflation swaps	46	71
Deferred consideration	962	931
Total non-current financial liabilities	$ 1,008	$ 1,002

The amount of non-current financial liabilities. [Refer: Financial liabilities]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 7
-IssueDate 2020-01-01
-Paragraph 25
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2020-en-r&anchor=para_25&doctype=Standard
-URIDate 2020-01-01

Name:	ifrs-full_NoncurrentFinancialLiabilities
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant