XML 384 R103.htm IDEA: XBRL DOCUMENT v3.25.0.1
Impairment Of Exploration And Evaluation, Property, Plant And Equipment And Goodwill - Summary of Assuming all Other Variables are Held Constant (Detail) - Property, plant and equipment [member] - Goodwill [member]
Dec. 31, 2024
Dec. 31, 2023
WDS Pluto Scarborough [Member]    
Disclosure In Tabular Form Of Analysis In Respect Of Input Changes So That Recoverable Value Equals To Carrying Value [Line Items]    
Decrease in commodity price % change
Increase in post-tax discount rate (absolute terms)
NWS Gas [Member]    
Disclosure In Tabular Form Of Analysis In Respect Of Input Changes So That Recoverable Value Equals To Carrying Value [Line Items]    
Decrease in commodity price % change
Increase in post-tax discount rate (absolute terms)
WDS Atlantis [Member]    
Disclosure In Tabular Form Of Analysis In Respect Of Input Changes So That Recoverable Value Equals To Carrying Value [Line Items]    
Decrease in commodity price % change (1.50%) (5.00%)
Increase in post-tax discount rate (absolute terms) 0.50%