Goodwill and Intangible Assets, net (Tables)

9 Months Ended

Sep. 30, 2018

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill [Table Text Block]

	Engineered Materials		Acetate Tow	Industrial Specialties		Acetyl Intermediates		Total
	(In $ millions)
As of December 31, 2017	643		149	40		171		1,003
Acquisitions (Note 3)	84		—	—		—		84
Exchange rate changes	(16	)	—	(1	)	(6	)	(23	)
As of September 30, 2018(1)	711		149	39		165		1,064

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⁽¹⁾  There were $0 million of accumulated impairment losses as of September 30, 2018.

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, 2017	38			640		45		54		777
Acquisitions (Note 3)	—			32		—		3		35		(1)
Renewals	6		(2)	—		—		—		6
Exchange rate changes	(2	)		(17	)	(1	)	—		(20	)
As of September 30, 2018	42			655		44		57		798
Accumulated Amortization
As of December 31, 2017	(33	)		(496	)	(30	)	(32	)	(591	)
Amortization	(2	)		(12	)	(3	)	(1	)	(18	)
Exchange rate changes	2			13		1		—		16
As of September 30, 2018	(33	)		(495	)	(32	)	(33	)	(593	)
Net book value	9			160		12		24		205

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⁽¹⁾  Represents intangible assets acquired related to Omni Plastics (Note 3) with a weighted average amortization period of 11 years.

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, 2017	115
Acquisitions (Note 3)	—
Accumulated impairment losses	—
Exchange rate changes	(3	)
As of September 30, 2018	112

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)
2019	22
2020	20
2021	19
2022	17
2023	14