Annual report [Section 13 and 15(d), not S-K Item 405]

TRANSFORMATION STRATEGY COSTS - Narrative (Details)

v3.25.4
TRANSFORMATION STRATEGY COSTS - Narrative (Details)
position in Thousands, $ in Millions
 12 Months Ended
Dec. 31, 2025
USD ($)
position
building
Dec. 31, 2024
USD ($)
Dec. 31, 2023
USD ($)
position
Restructuring Cost and Reserve [Line Items]      
Restructuring And related activities, term (less than) 1 year    
Seasonal positions eliminated | position 15    
Gain on sale of property $ 72    
Transformation cost $ 593 $ 322 $ 435
Facility Closing      
Restructuring Cost and Reserve [Line Items]      
Expected number of positions eliminated | position 48    
Number of buildings closed | building 93    
Number of buildings permanently closed | building 85    
Accelerated depreciation $ 58    
Transformation 2.0      
Restructuring Cost and Reserve [Line Items]      
Separation cost accrual 835    
Transformation cost 37 83 $ 210
Fit to Serve      
Restructuring Cost and Reserve [Line Items]      
Expected number of positions eliminated | position     14
Separation cost accrual 463    
Transformation cost 47 204 $ 212
Network Reconfiguration and Efficiency Reimagined      
Restructuring Cost and Reserve [Line Items]      
Separation cost accrual 544    
Costs incurred to date 509    
Transformation cost 509 35 $ 0
Transformation Strategy      
Restructuring Cost and Reserve [Line Items]      
Restructuring reserve 117 $ 45  
Payments for Restructuring 315    
Transformation cost $ 387    
Restructuring, Incurred Cost Statement Of Income Or Comprehensive Income Extensible Enumeration, Not Disclosed Flag consolidated balance sheets    
Transformation Strategy | Voluntary Separation Plan      
Restructuring Cost and Reserve [Line Items]      
Expected remaining costs $ 25