Goodwill and Intangible Assets, net (Schedule of Goodwill) (Details) $ in Millions	6 Months Ended
	Jun. 30, 2017 USD ($)
Goodwill [Line Items]
As of December 31, 2016	$ 796
Acquisitions (Note 3)	133
Exchange rate changes	46
As of June 30, 2017	975	[1]
Goodwill, Impaired, Accumulated Impairment Loss	0
Advanced Engineered Materials [Member]
Goodwill [Line Items]
As of December 31, 2016	385
Acquisitions (Note 3)	133
Exchange rate changes	24
As of June 30, 2017	542	[1]
Consumer Specialties [Member]
Goodwill [Line Items]
As of December 31, 2016	225
Acquisitions (Note 3)	0
Exchange rate changes	7
As of June 30, 2017	232	[1]
Industrial Specialties [Member]
Goodwill [Line Items]
As of December 31, 2016	38
Acquisitions (Note 3)	0
Exchange rate changes	1
As of June 30, 2017	39	[1]
Acetyl Intermediates [Member]
Goodwill [Line Items]
As of December 31, 2016	148
Acquisitions (Note 3)	0
Exchange rate changes	14
As of June 30, 2017	$ 162	[1]

[1] There were $0 million of accumulated impairment losses as of June 30, 2017.