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Interests in Joint Operations - Summary of Significant Interests in Joint Operations (Parenthetical) (Detail) - USD ($) $ in Millions | 12 Months Ended |
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Jun. 30, 2021 | Nov. 06, 2020
Disclosure of joint operations [line items] |  |
Percentage of ownership interests in joint operations | 50.00% |
Acquisition of additional proportion of ownership interest In joint operation |  | 28.00%
Shenzi [member] |  |
Disclosure of joint operations [line items] |  |
Acquisition of additional proportion of ownership interest In joint operation | 28.00% |
Purchase price |  | $ 480
Goodwill recognized |  | 0
Property, plant and equipment recognised as of acquisition date |  | 642
Inventory recognised as of acquisition date |  | 17
Rehabilitation liabilities as of acquisition date |  | $ 179

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- Definition Rehabilitation liabilities as of acquisition date. + References No definition available. + Details
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- Definition The fair value, at acquisition date, of the consideration transferred in a business combination. [Refer: Business combinations [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 3 -IssueDate 2020-01-01 -Paragraph B64 -Subparagraph f -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2020-en-r&anchor=para_B64_f&doctype=Appendix&subtype=B -URIDate 2020-01-01 + Details
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- Definition The amount recognised as of the business combination's acquisition date for goodwill. [Refer: Goodwill; Business combinations [member]] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IFRS -Number 3 -IssueDate 2020-01-01 -Paragraph B64 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2020-en-r&anchor=para_B64&doctype=Appendix&subtype=B -URIDate 2020-01-01 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Name IFRS -Number 3 -IssueDate 2020-01-01 -Paragraph IE72 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2020-en-r&anchor=para_IE72&doctype=Illustrative%20Examples -URIDate 2020-01-01 + Details
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