Earnings per Share (Schedule of (Loss)/Income Allocated to Holders of Ordinary Shareholders) (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Earnings per share [abstract]
(Loss)/profit for the year attributable to Kenon’s shareholders	$ (235,978)	$ 312,652	$ 930,273

The profit (loss) from continuing operations attributable to ordinary equity holders of the parent entity. [Refer: Continuing operations [member]; Profit (loss) from continuing operations]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 33
-IssueDate 2023-01-01
-Paragraph 70
-Subparagraph a
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=33&code=ifrs-tx-2023-en-r&anchor=para_70_a&doctype=Standard
-URIDate 2023-03-23

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