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Goodwill (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2023
Dec. 31, 2022
Goodwill [Line Items]    
Goodwill $ 3,703 $ 3,664
Goodwill, Transfers 0  
Goodwill, Acquired During Period 37  
Goodwill, Foreign Currency Translation Gain (Loss) 2  
Advanced Materials [Member]    
Goodwill [Line Items]    
Goodwill 1,330 1,296
Goodwill, Transfers 0  
Goodwill, Acquired During Period 37  
Goodwill, Foreign Currency Translation Gain (Loss) (3)  
Goodwill, Impaired, Accumulated Impairment Loss 12 12
Additives And Functional Products [Member]    
Goodwill [Line Items]    
Goodwill 2,173 1,601
Goodwill, Transfers 569  
Goodwill, Acquired During Period 0  
Goodwill, Foreign Currency Translation Gain (Loss) 3  
Goodwill, Impaired, Accumulated Impairment Loss 106 106
Chemical Intermediates [Member]    
Goodwill [Line Items]    
Goodwill 190 757
Goodwill, Transfers (569)  
Goodwill, Acquired During Period 0  
Goodwill, Foreign Currency Translation Gain (Loss) 2  
Other Segments    
Goodwill [Line Items]    
Goodwill 10 10
Goodwill, Transfers 0  
Goodwill, Acquired During Period 0  
Goodwill, Foreign Currency Translation Gain (Loss) 0  
Goodwill, Impaired, Accumulated Impairment Loss $ 14 $ 14