Significant Events (Tables)	12 Months Ended
Dec. 31, 2019
Significant Events [Abstract]
Description of nature and financial effect of business combinations during period	Consequently, the acquisition has been accounted for as an asset acquisition, with the following carrying amounts assigned based on relative fair values:Working capital11 Property, plant and equipment308 Other assets3 Other liabilities(2) Decommissioning and other provisions(19) Total acquisition cost301

The description of the nature and financial effect of business combinations during the current reporting period. [Refer: Business combinations [member]]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 3
-IssueDate 2018-01-01
-Paragraph 59
-Subparagraph a
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=3&date=2018-03-01&anchor=para_59_a&doctype=Standard
-URIDate 2018-03-16

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Balance Type:	na
Period Type:	duration