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

Note 13 - Restructuring, Impairment and Plant Closing Costs - Reserves for Restructuring, Impairment and Plant Closing Costs By Segment and Initiative (Details)

v3.25.4
Note 13 - Restructuring, Impairment and Plant Closing Costs - Reserves for Restructuring, Impairment and Plant Closing Costs By Segment and Initiative (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Balance $ 26 $ 27 $ 76
Restructuring Charges (Credits) 48 29 7
Payments (29) (30) (56)
Balance 45 26 27
Restructuring and plant closing reserves 44 23  
Long-term portion of restructuring reserves 1    
Corporate and Reconciling Items [Member]      
Balance 1 8 37
Restructuring Charges (Credits) 0 (1) (7)
Payments (1) (6) (22)
Balance 0 1 8
Restructuring and plant closing reserves 0    
Long-term portion of restructuring reserves 0    
Polyurethanes [Member] | Operating Segments [Member]      
Balance 20 8 24
Restructuring Charges (Credits) 38 24 1
Payments (21) (12) (17)
Balance 37 20 8
Restructuring and plant closing reserves 37    
Long-term portion of restructuring reserves 0    
Performance Products [Member] | Operating Segments [Member]      
Balance 1 7 5
Restructuring Charges (Credits) 11 0 6
Payments (7) (6) (4)
Balance 5 1 7
Restructuring and plant closing reserves 5    
Long-term portion of restructuring reserves 0    
Advanced Materials [Member] | Operating Segments [Member]      
Balance 4 4 10
Restructuring Charges (Credits) (1) 6 7
Payments 0 (6) (13)
Balance 3 $ 4 $ 4
Restructuring and plant closing reserves 2    
Long-term portion of restructuring reserves $ 1