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Contingencies and Commitments (Details)
$ in Millions, $ in Millions
1 Months Ended
Dec. 13, 2016
AUD ($)
claim
Mar. 31, 2023
referee
Oct. 31, 2022
USD ($)
Dec. 31, 2024
USD ($)
Loss Contingencies [Line Items]        
Loss contingency receivable       $ 116
Pending litigation | Santos Ltd        
Loss Contingencies [Line Items]        
Damages sought $ 1,470      
Loss contingency, trial or alternative dispute resolution, number of referees appointed | referee   3    
Estimate of possible loss $ 236      
Pending litigation | Santos Ltd Claim 1        
Loss Contingencies [Line Items]        
Number of pending matters | claim 1      
Loss contingency, panel referred damages awarded from other party, value $ 700      
Pending litigation | Santos Ltd Claim 2        
Loss Contingencies [Line Items]        
Loss contingency, panel referred damages awarded from other party, value $ 790      
Pending litigation | North Texas Tollway Authority        
Loss Contingencies [Line Items]        
Damages sought     $ 280