Goodwill and Other Intangible Assets (Narrative) (Details) $ in Millions	12 Months Ended
	Dec. 31, 2023 USD ($)
Goodwill [Line Items]
Impairment of goodwill	$ (128)
Performance and Essential Materials Segment
Goodwill [Line Items]
Impairment of goodwill	$ (128)
Measurement Input, Discount Rate | Valuation Technique, Discounted Cash Flow | Minimum
Goodwill [Line Items]
Alternative Investment, Measurement Input	0.100
Measurement Input, Discount Rate | Valuation Technique, Discounted Cash Flow | Maximum
Goodwill [Line Items]
Alternative Investment, Measurement Input	0.120