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Discontinued Operations - Summary of Net Gain Loss on Merger (Parenthetical) (Detail) - Woodside [Member] - Discontinued operations [member] | Jun. 01, 2022 shares | May 31, 2022 $ / shares | May 31, 2022 $ / shares
--- | --- | --- | ---
Disclosure In Tabular Form Of Net Gain Loss On Merger [Line Items] |  |  |
Shares received as consideration for disposal of business | 914,768,948 |  |
Closing share price | (per share) |  | $ 29.76 | $ 21.39
AUD [member] |  |  |
Disclosure In Tabular Form Of Net Gain Loss On Merger [Line Items] |  |  |
Exchange rate |  | 0.7187 | 0.7187

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