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Acquisitions, Dispositions and Plant Closures Plant Closures - Narrative (Details)
€ in Millions, $ in Millions
3 Months Ended
Nov. 01, 2022
USD ($)
employees
facility
patent
Apr. 01, 2022
USD ($)
annualInstallment
Apr. 01, 2022
EUR (€)
annualInstallment
Mar. 31, 2022
USD ($)
Korea Engineering Plastics Co., Ltd.        
Business Acquisition [Line Items]        
Payments to equity method investment   $ 5 € 24  
Number of equal annual investments restructuring payment | annualInstallment   5 5  
Equity method investment, increase   $ 134    
Celanese Corporation | Korea Engineering Plastics Co., Ltd.        
Business Acquisition [Line Items]        
Equity method investment, ownership percentage   50.00% 50.00%  
Mitsubishi Gas Chemical Company | Korea Engineering Plastics Co., Ltd.        
Business Acquisition [Line Items]        
Equity method investment, ownership percentage   50.00% 50.00%  
Mobility & Materials        
Business Acquisition [Line Items]        
Business Acquisition, Percentage of Voting Interests Acquired 100.00%      
Payments to acquire businesses, gross $ 11,000      
Number of facilities | facility 29      
Number of patents | patent 850      
Entity number of employees | employees 5,000      
Business Combination, Pro Forma Information, Interest Expense and Debt Issuance Cost Amortization       $ 172
Business Combination, Pro Forma Information, Inventory Step Up Amortization       $ 98