XML 60 R44.htm IDEA: XBRL DOCUMENT v3.24.1.u1
Contingencies and Commitments (Details) - Pending litigation
$ in Millions, $ in Millions
1 Months Ended
Dec. 13, 2016
AUD ($)
claim
Sep. 30, 2023
USD ($)
wall
Mar. 31, 2023
referee
Oct. 31, 2022
USD ($)
Santos Ltd        
Loss Contingencies [Line Items]        
Damages sought $ 1,470      
Loss contingency, trial or alternative dispute resolution, number of referees apointed | referee     3  
Estimate of possible loss $ 236      
Santos Ltd Claim 1        
Loss Contingencies [Line Items]        
Number of claims | claim 1      
Loss contingency, panel referred damages awarded from other party, value $ 700      
Santos Ltd Claim 2        
Loss Contingencies [Line Items]        
Loss contingency, panel referred damages awarded from other party, value $ 790      
North Texas Tollway Authority        
Loss Contingencies [Line Items]        
Damages sought   $ 227   $ 100
Number of retaining walls | wall   65