Other (Charges) Gains, Net (Schedule of Restructuring Reserves) (Details) $ in Millions	6 Months Ended
	Jun. 30, 2017 USD ($)
Restructuring Cost and Reserve [Line Items]
As of June 30, 2017	$ 29
Total	29
Employee Termination Benefits [Member]
Restructuring Cost and Reserve [Line Items]
As of December 31, 2016	16
Additions	4
Cash payments	(5)
Other changes	(9)
Exchange rate changes	0
As of June 30, 2017	6
Total	16
Plant/Office Closures [Member]
Restructuring Cost and Reserve [Line Items]
As of December 31, 2016	0
Additions	29
Cash payments	(3)
Other changes	(3)
Exchange rate changes	0
As of June 30, 2017	23
Total	0
Advanced Engineered Materials [Member]
Restructuring Cost and Reserve [Line Items]
As of June 30, 2017	2
Total	2
Advanced Engineered Materials [Member] | Employee Termination Benefits [Member]
Restructuring Cost and Reserve [Line Items]
As of December 31, 2016	1
Additions	1
Cash payments	0
Other changes	0
Exchange rate changes	0
As of June 30, 2017	2
Total	1
Advanced Engineered Materials [Member] | Plant/Office Closures [Member]
Restructuring Cost and Reserve [Line Items]
As of December 31, 2016	0
Additions	0
Cash payments	0
Other changes	0
Exchange rate changes	0
As of June 30, 2017	0
Total	0
Consumer Specialties [Member]
Restructuring Cost and Reserve [Line Items]
As of June 30, 2017	2
Total	2
Consumer Specialties [Member] | Employee Termination Benefits [Member]
Restructuring Cost and Reserve [Line Items]
As of December 31, 2016	9
Additions	2
Cash payments	(1)
Other changes	(8)
Exchange rate changes	0
As of June 30, 2017	2
Total	9
Consumer Specialties [Member] | Plant/Office Closures [Member]
Restructuring Cost and Reserve [Line Items]
As of December 31, 2016	0
Additions	0
Cash payments	0
Other changes	0
Exchange rate changes	0
As of June 30, 2017	0
Total	0
Industrial Specialties [Member]
Restructuring Cost and Reserve [Line Items]
As of June 30, 2017	1
Total	1
Industrial Specialties [Member] | Employee Termination Benefits [Member]
Restructuring Cost and Reserve [Line Items]
As of December 31, 2016	2
Additions	0
Cash payments	(1)
Other changes	0
Exchange rate changes	0
As of June 30, 2017	1
Total	2
Industrial Specialties [Member] | Plant/Office Closures [Member]
Restructuring Cost and Reserve [Line Items]
As of December 31, 2016	0
Additions	0
Cash payments	0
Other changes	0
Exchange rate changes	0
As of June 30, 2017	0
Total	0
Acetyl Intermediates [Member]
Restructuring Cost and Reserve [Line Items]
As of June 30, 2017	24
Total	24
Acetyl Intermediates [Member] | Employee Termination Benefits [Member]
Restructuring Cost and Reserve [Line Items]
As of December 31, 2016	1
Additions	0
Cash payments	0
Other changes	0
Exchange rate changes	0
As of June 30, 2017	1
Total	1
Acetyl Intermediates [Member] | Plant/Office Closures [Member]
Restructuring Cost and Reserve [Line Items]
As of December 31, 2016	0
Additions	29
Cash payments	(3)
Other changes	(3)
Exchange rate changes	0
As of June 30, 2017	23
Total	0
Other Activities [Member]
Restructuring Cost and Reserve [Line Items]
As of June 30, 2017	0
Total	0
Other Activities [Member] | Employee Termination Benefits [Member]
Restructuring Cost and Reserve [Line Items]
As of December 31, 2016	3
Additions	1
Cash payments	(3)
Other changes	(1)
Exchange rate changes	0
As of June 30, 2017	0
Total	3
Other Activities [Member] | Plant/Office Closures [Member]
Restructuring Cost and Reserve [Line Items]
As of December 31, 2016	0
Additions	0
Cash payments	0
Other changes	0
Exchange rate changes	0
As of June 30, 2017	0
Total	$ 0