v3.26.1
TRANSFORMATION STRATEGY COSTS - Narrative (Details)
$ in Millions
 3 Months Ended
Mar. 31, 2026
USD ($)
building
Dec. 31, 2025
USD ($)
Restructuring Cost and Reserve [Line Items]    
Restructuring and related activities, term (less than) 1 year  
Number of buildings identified for closure in future periods | building 27  
Gain on disposal of property plant and equipment $ 47  
Facility Closing    
Restructuring Cost and Reserve [Line Items]    
Number of buildings closed | building 23  
Number of buildings permanently closed | building 22  
Transformation Strategy    
Restructuring Cost and Reserve [Line Items]    
Separation costs $ 51 $ 117
Payments for restructuring 91  
Restructuring charges 25  
Transformation Strategy | Voluntary Separation Plan    
Restructuring Cost and Reserve [Line Items]    
Expected costs remaining 1,200  
Network Reconfiguration and Efficiency Reimagined    
Restructuring Cost and Reserve [Line Items]    
Cost incurred to date 599  
Cost incurred $ 55