Significant Production And Growth Asset Acquisitions - Summary of Cash Flows on Acquisition (Detail) $ in Millions	12 Months Ended
Dec. 31, 2022 USD ($)
FAR Senegal RSSD SA [member]
Disclosure of detailed information about cash flow on asset acquisition [line items]
Purchase cash consideration	$ 212
Total purchase consideration	212
Net cash flow on acquisition (Included in the Statement of Cash Flows as Investing activities)	212
Capricorn Senegal Limited [member]
Disclosure of detailed information about cash flow on asset acquisition [line items]
Purchase cash consideration	525
Transaction costs	2
Total purchase consideration	527
Net cash flow on acquisition (Included in the Statement of Cash Flows as Investing activities)	$ 527

The cash outflow for the purchase of exploration and evaluation assets. [Refer: Exploration and evaluation assets [member]]

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 7
-IssueDate 2022-03-24
-Paragraph 16
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2022-en-r&anchor=para_16&doctype=Standard
-URIDate 2022-03-24

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Period Type:	duration