Trade and Other Receivables (Details) - Summary of change in provision for doubtful debts during the year - ILS (₪) ₪ in Millions	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018
Summary of change in provision for doubtful debts during the year [Abstract]
Balance at January 1	₪ 87	₪ 92
Expected credit loss recognized	13	23
Bad debts	(20)	(28)
Balance at December 31	₪ 80	₪ 87

The amount of provision for refunds to be made by the entity to its customers. [Refer: Other provisions]

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Name IAS
-Number 37
-IssueDate 2019-01-01
-Section Example 4 Refunds policy
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=37&code=ifrs-tx-2019-en-r&doctype=Illustrative%20Examples&dita_xref=IAS37_IE_C_ex4_TI
-URIDate 2019-03-27

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Name IAS
-Number 37
-IssueDate 2019-01-01
-Paragraph 87
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=37&code=ifrs-tx-2019-en-r&anchor=para_87&doctype=Standard
-URIDate 2019-03-27

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