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Segment Information (Total Assets) (Details) - USD ($)
$ in Millions
Jun. 30, 2023
Dec. 31, 2022
Segment Reporting, Asset Reconciling Item [Line Items]    
Total assets $ 20,981 $ 20,550
Operating Segments | Performance and Essential Materials    
Segment Reporting, Asset Reconciling Item [Line Items]    
Total assets 13,856 13,978
Operating Segments | Housing and Infrastructure Products    
Segment Reporting, Asset Reconciling Item [Line Items]    
Total assets 5,093 5,022
Corporate and other    
Segment Reporting, Asset Reconciling Item [Line Items]    
Total assets $ 2,032 $ 1,550