v3.26.1
ENVIRONMENTAL LIABILITIES AND EXPENDITURES - Current and Non-Current Environmental Remediation Liabilities (Details) - USD ($)
$ in Millions
Jun. 30, 2026
Dec. 31, 2025
Current Portion:    
Accrued liabilities $ 151 $ 151
Non-Current Portion:    
Other deferred credits and liabilities 1,702 1,719
Total current and non-current $ 1,853 1,870
Environmental loss contingency, current, statement of financial position Accrued liabilities  
Continuing Operations    
Current Portion:    
Accrued liabilities $ 55 55
Non-Current Portion:    
Other deferred credits and liabilities 135 141
Total current and non-current 190 196
Discontinued Operations    
Current Portion:    
Accrued liabilities 96 96
Non-Current Portion:    
Other deferred credits and liabilities 1,567 1,578
Total current and non-current $ 1,663 $ 1,674