Goodwill and Intangible Assets, net (Tables)

6 Months Ended

Jun. 30, 2021

Indefinite-lived Intangible Assets [Line Items]

Schedule of Goodwill [Table Text Block]

	Engineered Materials	Acetate Tow	Acetyl Chain	Total
	(In $ millions)
As of December 31, 2020	768	149	249	1,166
Exchange rate changes	(16)	—	(7)	(23)
As of June 30, 2021(1)	752	149	242	1,143

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(1)There were no accumulated impairment losses as of June 30, 2021.

Schedule of Finite-Lived Intangible Assets [Table Text Block]

Finite-lived intangible assets are as follows:

	Licenses	Customer- Related Intangible Assets	Developed Technology	Covenants Not to Compete and Other	Total
	(In $ millions)
Gross Asset Value
As of December 31, 2020	44	724	45	56	869
Exchange rate changes	—	(14)	—	—	(14)
As of June 30, 2021	44	710	45	56	855
Accumulated Amortization
As of December 31, 2020	(38)	(555)	(40)	(39)	(672)
Amortization	(1)	(9)	(1)	—	(11)
Exchange rate changes	—	13	—	(1)	12
As of June 30, 2021	(39)	(551)	(41)	(40)	(671)
Net book value	5	159	4	16	184

Schedule of Indefinite-Lived Intangible Assets [Table Text Block]

Indefinite-lived intangible assets are as follows:

	Trademarks and Trade Names
	(In $ millions)
As of December 31, 2020	122
Exchange rate changes	(2)
As of June 30, 2021	120

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]

Estimated amortization expense for the succeeding five fiscal years is as follows:

	(In $ millions)
2022	22
2023	19
2024	18
2025	18
2026	18