Current investments and deposits (Schedule of Current investments and deposits) (Details) - ILS (₪) ₪ in Millions	Dec. 31, 2020	Dec. 31, 2019
Disclosure of Current investments and deposits [Abstract]
Current investments		₪ 443
Deposits	429	30
Total current investments and deposits	₪ 429	₪ 473

The amount of current investments.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2020-01-01
-Paragraph 55
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_55&doctype=Standard
-URIDate 2020-01-01

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Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant