Annual report pursuant to Section 13 and 15(d)

Note 12 - Restructuring, Impairment and Plant Closing Costs - Reserves for Restructuring, Impairment and Plant Closing Costs By Segment and Initiative (Details)

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Note 12 - 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, 2024
Dec. 31, 2023
Dec. 31, 2022
Balance $ 27 $ 76 $ 26
Restructuring Charges 29 7 80
Payments (30) (56) (30)
Balance 26 27 76
Restructuring and plant closing reserves 23 26  
Long-term portion of restructuring reserves 3    
Corporate and Reconciling Items [Member]      
Balance 8 37 11
Restructuring Charges (1) (7) 39
Payments (6) (22) (13)
Balance 1 8 37
Restructuring and plant closing reserves 1    
Long-term portion of restructuring reserves 0    
Polyurethanes [Member] | Operating Segments [Member]      
Balance 8 24 9
Restructuring Charges 24 1 28
Payments (12) (17) (13)
Balance 20 8 24
Restructuring and plant closing reserves 20    
Long-term portion of restructuring reserves 0    
Performance Products [Member] | Operating Segments [Member]      
Balance 7 5 1
Restructuring Charges 0 6 5
Payments (6) (4) (1)
Balance 1 7 5
Restructuring and plant closing reserves 1    
Long-term portion of restructuring reserves 0    
Advanced Materials [Member] | Operating Segments [Member]      
Balance 4 10 5
Restructuring Charges 6 7 8
Payments (6) (13) (3)
Balance 4 $ 4 $ 10
Restructuring and plant closing reserves 1    
Long-term portion of restructuring reserves $ 3