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Joint Arrangements - Summary of Interest Percentage in Joint Ventures (Detail) | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021
North West Shelf Gas Pty Ltd [member] |  |
Disclosure of joint ventures [line items] |  |
Principal activity | Contract administration services for venturers for LNG sales to Japan. Marketing and administration services for venturers for gas processing. |
Group Interest | 33.30% | 16.67%
North West Shelf Liaison Company Pty Ltd [member] |  |
Disclosure of joint ventures [line items] |  |
Principal activity | Liaison for ventures in the sale of LNG to the Japanese market. |
Group Interest | 33.30% | 16.67%
China Administration Company Pty Ltd [member] |  |
Disclosure of joint ventures [line items] |  |
Principal activity | Contract administration services for venturers for LNG sales to China. |
Group Interest | 33.30% | 16.67%
North West Shelf Shipping Service Company Pty Ltd [member] |  |
Disclosure of joint ventures [line items] |  |
Principal activity | LNG vessel fleet advisor. |
Group Interest | 33.30% | 16.67%
North West Shelf Lifting Coordinator Pty Ltd [member] |  |
Disclosure of joint ventures [line items] |  |
Principal activity | Allocating, scheduling and administering the lifting of LNG and pipeline gas. |
Group Interest | 33.30% | 16.67%

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- Definition The description of the nature of the entity's relationship with a joint venture (for example, describing the nature of the activities of the joint venture and whether they are strategic to the entity's activities). [Refer: Joint ventures [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2022-03-24 -Paragraph 21 -Subparagraph a -Clause ii -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2022-en-r&anchor=para_21_a_ii&doctype=Standard -URIDate 2022-03-24 + Details
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- Definition The proportion of ownership interest in a joint venture attributable to the entity. [Refer: Joint ventures [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 27 -IssueDate 2022-03-24 -Paragraph 17 -Subparagraph b -Clause iii -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=27&code=ifrs-tx-2022-en-r&anchor=para_17_b_iii&doctype=Standard -URIDate 2022-03-24 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 27 -IssueDate 2022-03-24 -Paragraph 16 -Subparagraph b -Clause iii -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=27&code=ifrs-tx-2022-en-r&anchor=para_16_b_iii&doctype=Standard -URIDate 2022-03-24 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2022-03-24 -Paragraph 21 -Subparagraph a -Clause iv -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2022-en-r&anchor=para_21_a_iv&doctype=Standard -URIDate 2022-03-24 + Details
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- Details
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- Details
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- Details
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- Details
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