v3.26.3
RESTRUCTURING, ACQUISITION AND DIVESTITURE-RELATED COSTS (Details) - USD ($)
$ in Millions
1 Months Ended 3 Months Ended 9 Months Ended
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Jun. 30, 2026
Mar. 31, 2026
Dec. 31, 2025
Jun. 30, 2025
Nov. 04, 2024
Dec. 31, 2023
Mar. 31, 2023
Restructuring Cost and Reserve [Line Items]                        
Restructuring costs   $ 5 $ 23 $ 74 $ 44              
Restructuring Reserve Roll Forward                        
Restructuring Costs   5 23 74 44              
Acquisition-Related Restructuring                        
Restructuring Cost and Reserve [Line Items]                        
Restructuring costs       41 37              
Restructuring Reserve Roll Forward                        
Beginning Balance       11 3              
Restructuring Costs       41 37              
Payments       (31) (10)              
Accelerated depreciation and other non-cash items       (18) (24)              
Ending Balance $ 6 3 6 3 6              
Cumulative charges incurred 109 150 109 150 109              
Acquisition-Related Restructuring                        
Restructuring Cost and Reserve [Line Items]                        
Restructuring costs       0 5              
Restructuring Reserve Roll Forward                        
Beginning Balance       10 14              
Restructuring Costs       0 5              
Payments       (10) (7)              
Accelerated depreciation and other non-cash items       0 0              
Ending Balance 12 0 12 0 12              
Cumulative charges incurred 43 40 43 40 43              
European Operating Structure Optimization                        
Restructuring Cost and Reserve [Line Items]                        
Restructuring costs       0 (3)              
Expected cost                       $ 20
Severance Costs         (3)              
Restructuring Reserve Roll Forward                        
Beginning Balance       0 5              
Restructuring Costs       0 (3)              
Payments       0 (2)              
Accelerated depreciation and other non-cash items       0 0              
Ending Balance 0 0 0 0 0              
Cumulative charges incurred 12 12 12 12 12              
Building Materials Business Exit                        
Restructuring Cost and Reserve [Line Items]                        
Restructuring costs       0 (2)              
Restructuring Reserve Roll Forward                        
Beginning Balance       0 6              
Restructuring Costs       0 (2)              
Payments       0 (3)              
Accelerated depreciation and other non-cash items       0 0              
Ending Balance 1 0 1 0 1              
Cumulative charges incurred 3 4 3 4 3              
Roofing Integration Restructuring                        
Restructuring Cost and Reserve [Line Items]                        
Restructuring costs       2 7              
Restructuring Reserve Roll Forward                        
Beginning Balance       1 0              
Restructuring Costs       2 7              
Payments       (2) 0              
Accelerated depreciation and other non-cash items       (1) (6)              
Ending Balance 1 0 1 0 1              
Cumulative charges incurred 7 10 7 10 7              
Global Corporate Restructuring                        
Restructuring Cost and Reserve [Line Items]                        
Restructuring costs       31                
Restructuring Reserve Roll Forward                        
Beginning Balance       0                
Restructuring Costs       31                
Payments       (10)                
Accelerated depreciation and other non-cash items       0                
Ending Balance   21   21                
Cumulative charges incurred   31   31                
Severance                        
Restructuring Cost and Reserve [Line Items]                        
Restructuring Charges   (2) (1) (34) (10)              
Restructuring Reserve Roll Forward                        
Ending Balance   24   24                
Severance | Roofing Integration Restructuring                        
Restructuring Cost and Reserve [Line Items]                        
Restructuring costs       1 1              
Restructuring Reserve Roll Forward                        
Restructuring Costs       1 1              
Severance | Global Corporate Restructuring                        
Restructuring Cost and Reserve [Line Items]                        
Restructuring costs       31                
Restructuring Reserve Roll Forward                        
Restructuring Costs       31                
Employee Severance And Other Exit Costs | Acquisition-Related Restructuring                        
Restructuring Cost and Reserve [Line Items]                        
Restructuring costs       23 13              
Restructuring Reserve Roll Forward                        
Restructuring Costs       23 13              
Employee Severance And Other Exit Costs | Acquisition-Related Restructuring | Minimum                        
Restructuring Cost and Reserve [Line Items]                        
Expected cost                     $ 20  
Employee Severance And Other Exit Costs | Acquisition-Related Restructuring | Maximum                        
Restructuring Cost and Reserve [Line Items]                        
Expected cost                     30  
Employee Severance And Other Exit Costs | Building Materials Business Exit                        
Restructuring Cost and Reserve [Line Items]                        
Expected cost                   $ 15    
Employee Severance And Other Exit Costs | Acquisition-Related Restructuring, Prineville                        
Restructuring Cost and Reserve [Line Items]                        
Expected cost                 $ 12      
Employee Severance And Other Exit Costs | Acquisition-Related Restructuring, Greenville                        
Restructuring Cost and Reserve [Line Items]                        
Expected cost 7   7   7              
Employee Severance And Other Exit Costs | Acquisition-Related Restructuring, Aldergrove                        
Restructuring Cost and Reserve [Line Items]                        
Expected cost               $ 22        
Employee Severance And Other Exit Costs | Acquisition-Related Restructuring, Mesquite                        
Restructuring Cost and Reserve [Line Items]                        
Expected cost               2        
Employee Severance And Other Exit Costs | Global Corporate Restructuring                        
Restructuring Cost and Reserve [Line Items]                        
Expected cost             $ 58          
Employee Severance And Other Exit Costs | Acquisition-Related Restructuring, Walkerton                        
Restructuring Cost and Reserve [Line Items]                        
Expected cost           $ 6            
Employee Severance And Other Exit Costs | Acquisition-Related Restructuring, Kirkwood                        
Restructuring Cost and Reserve [Line Items]                        
Expected cost   4   4                
Accelerated depreciation                        
Restructuring Cost and Reserve [Line Items]                        
Restructuring Charges   (4) (16) (14) (25)              
Accelerated depreciation | Acquisition-Related Restructuring                        
Restructuring Cost and Reserve [Line Items]                        
Restructuring costs       18 24              
Restructuring Reserve Roll Forward                        
Restructuring Costs       18 24              
Accelerated depreciation | Acquisition-Related Restructuring | Minimum                        
Restructuring Cost and Reserve [Line Items]                        
Expected cost                     15  
Accelerated depreciation | Acquisition-Related Restructuring | Maximum                        
Restructuring Cost and Reserve [Line Items]                        
Expected cost                     $ 20  
Accelerated depreciation | Acquisition-Related Restructuring, Greenville                        
Restructuring Cost and Reserve [Line Items]                        
Expected cost 10   10   10              
Accelerated depreciation | Acquisition-Related Restructuring, Aldergrove                        
Restructuring Cost and Reserve [Line Items]                        
Expected cost               7        
Accelerated depreciation | Acquisition-Related Restructuring, Mesquite                        
Restructuring Cost and Reserve [Line Items]                        
Expected cost               $ 7        
Accelerated depreciation | Acquisition-Related Restructuring, Walkerton                        
Restructuring Cost and Reserve [Line Items]                        
Expected cost           $ 7            
Accelerated depreciation | Acquisition-Related Restructuring, Kirkwood                        
Restructuring Cost and Reserve [Line Items]                        
Expected cost   7   7                
Additional Exit Costs | Cost of sales                        
Restructuring Cost and Reserve [Line Items]                        
Restructuring Charges   (2) (6) (9) (7)              
Additional Exit Costs | Other Expense [Member]                        
Restructuring Cost and Reserve [Line Items]                        
Restructuring Charges   3 0 (17) (1)              
Additional Exit Costs | Marketing & administrative expenses                        
Restructuring Cost and Reserve [Line Items]                        
Restructuring Charges   $ 0 $ 0 0 (1)              
Accelerated Depreciation, Asset Write-Offs, And Other Exit Costs | Roofing Integration Restructuring                        
Restructuring Cost and Reserve [Line Items]                        
Restructuring costs 22                      
Restructuring Reserve Roll Forward                        
Restructuring Costs $ 22                      
Accelerated Depreciation And Inventory Write-Offs | Acquisition-Related Restructuring, Prineville                        
Restructuring Cost and Reserve [Line Items]                        
Expected cost                 $ 30      
Accelerated Depreciation and Other Exit Costs | Roofing Integration Restructuring                        
Restructuring Cost and Reserve [Line Items]                        
Restructuring costs       1 6              
Restructuring Reserve Roll Forward                        
Restructuring Costs       $ 1 $ 6