Quarterly report [Sections 13 or 15(d)]

TRANSFORMATION STRATEGY COSTS - Narrative (Details)

v3.25.3
TRANSFORMATION STRATEGY COSTS - Narrative (Details)
position in Thousands, $ in Millions
 3 Months Ended 9 Months Ended
Mar. 31, 2024
position
Sep. 30, 2025
USD ($)
position
building
Dec. 31, 2024
USD ($)
Restructuring Cost and Reserve [Line Items]      
Gain on disposal of property plant and equipment   $ 54  
Facility Closing      
Restructuring Cost and Reserve [Line Items]      
Expected number of positions eliminated | position   34  
Number of buildings closed | building   93  
Number of buildings permanently closed | building   85  
Accelerated depreciation   $ 45  
Transformation Strategy      
Restructuring Cost and Reserve [Line Items]      
Separation costs   152 $ 45
Payments for restructuring   223  
Restructuring charges   330  
Transformation Strategy | Voluntary Separation Plan      
Restructuring Cost and Reserve [Line Items]      
Expected costs remaining   81  
Transformation 2.0      
Restructuring Cost and Reserve [Line Items]      
Expected costs remaining   15  
Cost incurred to date   824  
Fit to Serve      
Restructuring Cost and Reserve [Line Items]      
Expected costs remaining   10  
Cost incurred to date   463  
Expected number of positions eliminated | position 14    
Network Reconfiguration and Efficiency Reimagined      
Restructuring Cost and Reserve [Line Items]      
Cost incurred to date   422  
Cost incurred   387  
Network Reconfiguration and Efficiency Reimagined | Minimum      
Restructuring Cost and Reserve [Line Items]      
Expected separation costs   400  
Network Reconfiguration and Efficiency Reimagined | Maximum      
Restructuring Cost and Reserve [Line Items]      
Expected separation costs   $ 650