Goodwill and Intangible Assets, Net - Schedule of Goodwill (Details) $ in Millions	9 Months Ended
	Sep. 30, 2023 USD ($)
Goodwill [Line Items]
As of December 31, 2022	$ 7,142
Acquisitions (Note 3)	(24)
Goodwill, Transfers	(80)	[1]
Exchange rate changes	(47)
As of September 30, 2023(2)	6,991	[2]
Goodwill, impaired, accumulated impairment loss	0
Goodwill, impairment loss	0
Engineered Materials
Goodwill [Line Items]
As of December 31, 2022	6,775
Acquisitions (Note 3)	(24)
Goodwill, Transfers	(80)	[1]
Exchange rate changes	(45)
As of September 30, 2023(2)	6,626	[2]
Acetyl Chain
Goodwill [Line Items]
As of December 31, 2022	367
Acquisitions (Note 3)	0
Goodwill, Transfers	0	[1]
Exchange rate changes	(2)
As of September 30, 2023(2)	$ 365	[2]

[1] Related to the formation of the Nutrinova joint venture (Note 3).

[2] There were no accumulated impairment losses as of September 30, 2023.