Segment and Geographic Information (Total Assets) (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Segment Reporting Information [Line Items]
Total assets	$ 18,459	$ 13,835
Operating Segments | Performance and Essential Materials
Segment Reporting Information [Line Items]
Total assets	11,938	10,885
Operating Segments | Housing and Infrastructure Products
Segment Reporting Information [Line Items]
Total assets	5,021	1,720
Corporate, Non-Segment
Segment Reporting Information [Line Items]
Total assets	$ 1,500	$ 1,230