Other (Charges) Gains, Net - Schedule of Restructuring Reserve by Type of Cost (Details) - Employee Severance $ in Millions	3 Months Ended
	Mar. 31, 2024 USD ($)
Restructuring Reserve [Roll Forward]
Reserve as of the beginning of the period	$ 18
Additions	15
Cash payments	(13)
Other changes	(1)
Reserve as of the end of the period	19
Engineered Materials
Restructuring Reserve [Roll Forward]
Reserve as of the beginning of the period	13
Additions	12
Cash payments	(8)
Other changes	(1)
Reserve as of the end of the period	16
Acetyl Chain [Member]
Restructuring Reserve [Roll Forward]
Reserve as of the beginning of the period	2
Additions	0
Cash payments	(1)
Other changes	0
Reserve as of the end of the period	1
Other Activities
Restructuring Reserve [Roll Forward]
Reserve as of the beginning of the period	3
Additions	3
Cash payments	(4)
Other changes	0
Reserve as of the end of the period	$ 2