Goodwill and Intangible Assets, net (Tables)

3 Months Ended

Mar. 31, 2019

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill [Table Text Block]

	Engineered Materials		Acetate Tow	Acetyl Chain		Total
	(In $ millions)
As of December 31, 2018	707		148	202		1,057
Acquisitions	29		—	—		29
Exchange rate changes	(8	)	—	(3	)	(11	)
As of March 31, 2019(1)	728		148	199		1,075

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⁽¹⁾  There were $0 million of accumulated impairment losses as of March 31, 2019.

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, 2018	42		651		44		56		793
Acquisitions	—		25		—		—		25		(1)
Exchange rate changes	1		(7	)	—		—		(6	)
As of March 31, 2019	43		669		44		56		812
Accumulated Amortization
As of December 31, 2018	(33	)	(495	)	(32	)	(35	)	(595	)
Amortization	—		(4	)	(1	)	(1	)	(6	)
Exchange rate changes	(1	)	7		—		—		6
As of March 31, 2019	(34	)	(492	)	(33	)	(36	)	(595	)
Net book value	9		177		11		20		217

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, 2018	112
Acquisitions	4
Accumulated impairment losses	—
Exchange rate changes	(1	)
As of March 31, 2019	115

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)
2020	22
2021	21
2022	19
2023	17
2024	16