Quarterly report pursuant to Section 13 or 15(d)

Note 6 - Restructuring, Impairment and Plant Closing Costs - Reserves for Restructuring, Impairment and Plant Closing Costs By Segment and Initiative (Details)

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Note 6 - Restructuring, Impairment and Plant Closing Costs - Reserves for Restructuring, Impairment and Plant Closing Costs By Segment and Initiative (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Balance     $ 76  
(Credits) charges $ 0 $ 13 0 $ 37
Payments     (48)  
Balance 28   28  
Current portion of restructuring reserves 27   27  
Long-term portion of restructuring reserves 1   1  
Corporate and Reconciling Items [Member]        
Balance     37  
(Credits) charges     (7)  
Payments     (21)  
Balance 9   9  
Current portion of restructuring reserves 9   9  
Long-term portion of restructuring reserves 0   0  
Polyurethanes [Member] | Operating Segments [Member]        
Balance     24  
(Credits) charges     (1)  
Payments     (14)  
Balance 9   9  
Current portion of restructuring reserves 9   9  
Long-term portion of restructuring reserves 0   0  
Performance Products [Member] | Operating Segments [Member]        
Balance     5  
(Credits) charges     3  
Payments     (3)  
Balance 5   5  
Current portion of restructuring reserves 5   5  
Long-term portion of restructuring reserves 0   0  
Advanced Materials [Member] | Operating Segments [Member]        
Balance     10  
(Credits) charges     5  
Payments     (10)  
Balance 5   5  
Current portion of restructuring reserves 4   4  
Long-term portion of restructuring reserves $ 1   $ 1