XML 101 R79.htm IDEA: XBRL DOCUMENT v3.24.0.1
ENVIRONMENTAL LIABILITIES AND EXPENDITURES (Details)
1 Months Ended 3 Months Ended 12 Months Ended
Mar. 31, 2023
USD ($)
Dec. 31, 2022
USD ($)
party
site
Sep. 30, 2021
USD ($)
mi
Jun. 30, 2018
USD ($)
Mar. 31, 2016
mi
Sep. 30, 2016
party
Dec. 31, 2023
USD ($)
segment
site
Dec. 31, 2022
USD ($)
site
Dec. 31, 2021
USD ($)
Environmental remediation reserves                  
Number of sites | site   162         160 162  
Remediation balance   $ 1,046,000,000         $ 1,021,000,000 $ 1,046,000,000  
Environmental reserves, exceeding $ ten million, threshold value             $ 10,000,000    
Environmental reserves, exceeding $ ten million, number of sites | site             18    
Environmental reserves, range between zero to $ one million site category, number of sites | site             94    
Environmental remediation expense, statement of income or comprehensive income             Other operating and non-operating expense Other operating and non-operating expense Other operating and non-operating expense
Remediation expenses             $ 79,000,000 $ 65,000,000 $ 28,000,000
Percent of reserve to be funded over the next three to four years             40.00%    
Minimum period of expending second half of environmental reserves             10 years    
Subsidiaries                  
Environmental remediation reserves                  
Environmental remediation additional loss range             $ 2,600,000,000    
Low end of range                  
Environmental remediation reserves                  
Environmental reserves, range between zero to $ one million site category             $ 0    
Period of expending 40 percent of environmental reserves             3 years    
High end of range                  
Environmental remediation reserves                  
Environmental reserves, range between zero to $ one million site category             $ 1,000,000    
Period of expending 40 percent of environmental reserves             4 years    
Non-National Priorities List Sites                  
Environmental remediation reserves                  
Number of site categories | site             3    
NPL Sites                  
Environmental remediation reserves                  
Number of sites | site   30         32 30  
Remediation balance   $ 445,000,000         $ 435,000,000 $ 445,000,000  
Third-Party Sites                  
Environmental remediation reserves                  
Number of sites | site   68         65 68  
Remediation balance   $ 238,000,000         $ 233,000,000 $ 238,000,000  
Number of sites with significant environmental remediation reserves | site             6    
Percentage of environmental reserves accounted for by associated sites             66.70%    
Currently Operated Sites                  
Environmental remediation reserves                  
Number of sites | site   13         12 13  
Remediation balance   $ 106,000,000         $ 98,000,000 $ 106,000,000  
Number of sites with significant environmental remediation reserves | site             3    
Percentage of environmental reserves accounted for by associated sites             66.70%    
Closed or Non-operated Sites                  
Environmental remediation reserves                  
Number of sites | site   51         51 51  
Remediation balance   $ 257,000,000         $ 255,000,000 $ 257,000,000  
Number of sites with significant environmental remediation reserves | site             8    
Percentage of environmental reserves accounted for by associated sites             66.70%    
Diamond Alkali Superfund Site                  
Environmental remediation reserves                  
Number of operating units | segment             4    
Diamond Alkali Superfund Site - Operable Unit Two                  
Environmental remediation reserves                  
Remediation expenses       $ 1,400,000,000          
Stretch of lower passaic river requiring remedial actions | mi         8.3        
Number of parties, notified to pay the cost | party           100      
Diamond Alkali Superfund Site - Operable Unit Four                  
Environmental remediation reserves                  
Remediation expenses     $ 440,000,000            
Stretch of lower passaic river requiring remedial actions | mi     17            
River stretch which may require remedial actions | mi     9            
Financial assurance $ 93,000,000                
Alden Leeds | Alden Leeds                  
Environmental remediation reserves                  
Remediation expenses   $ 150,000,000              
Financial assurance             $ 93,000,000    
Number of parties, settled | party   85              
Number of parties to be released | party   82              
Accrued liabilities                  
Environmental remediation reserves                  
Environmental loss contingency, statement of financial position   Accrued liabilities         Accrued liabilities Accrued liabilities  
Remediation balance   $ 141,000,000         $ 132,000,000 $ 141,000,000  
Accrued Environmental Loss Contingencies, Noncurrent                  
Environmental remediation reserves                  
Environmental loss contingency, statement of financial position   Accrued Environmental Loss Contingencies, Noncurrent         Accrued Environmental Loss Contingencies, Noncurrent Accrued Environmental Loss Contingencies, Noncurrent  
Remediation balance   $ 900,000,000         $ 900,000,000 $ 900,000,000