XML 72 R61.htm IDEA: XBRL DOCUMENT v3.25.1
COMMITMENTS AND CONTINGENCIES - Narrative (Details)
1 Months Ended 3 Months Ended
Mar. 31, 2023
USD ($)
defendant
Dec. 31, 2020
case
Jul. 31, 2018
defendant
Dec. 31, 2017
Sep. 30, 2017
well
Mar. 31, 2016
mi
May 31, 2007
entity
mi
Mar. 31, 2025
USD ($)
case
facility
Dec. 31, 2022
Dec. 31, 2024
USD ($)
Mar. 31, 2024
USD ($)
Dec. 31, 2023
USD ($)
Nov. 30, 2017
case
Loss Contingencies [Line Items]                          
Lease liabilities               $ 624,900,000   $ 591,100,000 $ 581,800,000    
Letters of credit outstanding, amount               23,900,000          
Reclamation/restoration requirements               429,500,000   $ 427,400,000 $ 325,700,000 $ 324,100,000  
Number of groundwater extraction wells | well         2                
Contingency loss               0          
Hewitt Landfill Matter | NHW Treatment System                          
Loss Contingencies [Line Items]                          
Estimated capital cost of treatment system               92,000,000          
Bond money obtained for treatment system               46,000,000          
Hewitt Landfill Matter | NHC Treatment System                          
Loss Contingencies [Line Items]                          
Estimated capital cost of treatment system               245,000,000          
Bond money obtained for treatment system               $ 95,000,000          
Vulcan Material                          
Loss Contingencies [Line Items]                          
Judge ruled allocation of fault among defendants, percentage   15.00%   15.00%         15.00%        
Texas Brine                          
Loss Contingencies [Line Items]                          
Number of pending claims | case                         3
Number of cases, reversed judgement | case   1                      
Lawsuit Against CalMat Co                          
Loss Contingencies [Line Items]                          
Charge for litigation matter $ 11,000,000                        
Estimated construction and operation of water treatment system $ 100,000,000                        
Cases Allegedly Involving 1,1,1-Trichloroethane                          
Loss Contingencies [Line Items]                          
Number of cases | case               1          
Cooperating Parties Group                          
Loss Contingencies [Line Items]                          
Number of other companies to perform Remedial Investigation/Feasibility Study | entity             70            
Number of miles of the River used in the Remedial Investigation/Feasibility Study | mi             17            
Number of miles for bank-to-bank dredging remedy | mi           8              
EPA | Maximum                          
Loss Contingencies [Line Items]                          
Estimated implementation costs               $ 1,380,000,000          
Occidental Chemical Co                          
Loss Contingencies [Line Items]                          
Judge ruled allocation of fault among defendants, percentage   30.00%   50.00%                  
Occidental Chemical Co | Lawsuit Filed by Occidental                          
Loss Contingencies [Line Items]                          
Number of defendants | defendant 39   100                    
Texas Brine                          
Loss Contingencies [Line Items]                          
Judge ruled allocation of fault among defendants, percentage   55.00%   35.00%                  
LADWP                          
Loss Contingencies [Line Items]                          
Number of planned new treatment capabilities | facility               2          
Standby Letters of Credit                          
Loss Contingencies [Line Items]                          
Letters of credit outstanding, amount               $ 33,500,000          
Reclamation/restoration requirements               $ 23,400,000