Goodwill and Intangible Assets, Net - Schedule of Goodwill (Details) $ in Millions	3 Months Ended
	Mar. 31, 2024 USD ($)
Goodwill [Line Items]
As of December 31, 2023	$ 6,977
Exchange rate changes	(51)
As of March 31, 2024(1)	6,926	[1]
Goodwill, impaired, accumulated impairment loss	0
Engineered Materials
Goodwill [Line Items]
As of December 31, 2023	6,602
Exchange rate changes	(46)
As of March 31, 2024(1)	6,556	[1]
Acetyl Chain
Goodwill [Line Items]
As of December 31, 2023	375
Exchange rate changes	(5)
As of March 31, 2024(1)	$ 370	[1]

[1] There were no accumulated impairment losses as of March 31, 2024.