Trade Payables and Accrued Expenses (Narrative) (Details) - ILS (₪) ₪ in Millions	Dec. 31, 2020	Dec. 31, 2019
Trade and other current payables [abstract]
Trade payables balances	₪ 30	₪ 106

The amount of payment due to suppliers for goods and services used in the entity's business.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2020-01-01
-Paragraph 78
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_78&doctype=Standard
-URIDate 2020-01-01

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