v3.26.1
COMMITMENTS AND CONTINGENCIES - Environmental Matters (Details) - USD ($)
$ in Millions
6 Months Ended
Jun. 30, 2026
Dec. 31, 2025
Accrual for Environmental Loss Contingencies [Roll Forward]    
Beginning of period $ 894  
Environmental Loss Contingency, Statement of Financial Position [Extensible Enumeration] Other liabilities  
Accruals for environmental matters deemed probable and reasonably estimable $ 50  
Environmental liability payments (52)  
End of period $ 892  
Loss Contingency, Classification of Accrual [Abstract]    
Environmental Loss Contingency, Current, Statement of Financial Position [Extensible Enumeration] Accrued Liabilities, Current Accrued Liabilities, Current
Accrued liabilities $ 161 $ 180
Environmental Loss Contingency, Noncurrent, Statement of Financial Position [Extensible Enumeration] Other liabilities Other liabilities
Other liabilities $ 731 $ 714
Total environmental liabilities $ 892 $ 894