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Dividends Paid and Proposed - Summary of Woodside Energy Group Ltd the Parent Entity Paid and Proposed Dividends (Detail) - USD ($)
$ / shares in Units, $ in Millions
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Disclosure of Detailed Information About Paid and Proposed Dividends [Line Items]      
Prior year fully franked final dividend $ 2,734 $ 1,018 $ 115
Current year fully franked interim dividend 1,519 2,070 289
Total 4,253 3,088 404
Final dividend $ 1,139 $ 2,734 $ 1,018
Current year dividends per share (US cents) $ 1.40 $ 2.53 $ 1.35