Other (Charges) Gains, Net (Schedule of Restructuring Reserves) (Details) (USD $) In Millions, unless otherwise specified	9 Months Ended
	Sep. 30, 2014
Restructuring Cost and Reserve [Line Items]
As of September 30, 2014	$ 29
Total	29
Employee Termination Benefits [Member]
Restructuring Cost and Reserve [Line Items]
As of December 31, 2013	29
Additions	6
Cash payments	(18)
Other changes	0
Exchange rate changes	0
As of September 30, 2014	17
Total	17
Plant/Office Closures [Member]
Restructuring Cost and Reserve [Line Items]
As of December 31, 2013	33
Additions	0
Cash payments	(7)
Other changes	(12)
Exchange rate changes	(2)
As of September 30, 2014	12
Total	12
Advanced Engineered Materials [Member]
Restructuring Cost and Reserve [Line Items]
As of September 30, 2014	4
Total	4
Advanced Engineered Materials [Member] | Employee Termination Benefits [Member]
Restructuring Cost and Reserve [Line Items]
As of December 31, 2013	4
Additions	1
Cash payments	(1)
Other changes
Exchange rate changes	0
As of September 30, 2014	4
Total	4
Advanced Engineered Materials [Member] | Plant/Office Closures [Member]
Restructuring Cost and Reserve [Line Items]
As of December 31, 2013	0
Additions	0
Cash payments	0
Other changes	0
Exchange rate changes	0
As of September 30, 2014	0
Total	0
Consumer Specialties [Member]
Restructuring Cost and Reserve [Line Items]
As of September 30, 2014	2
Total	2
Consumer Specialties [Member] | Employee Termination Benefits [Member]
Restructuring Cost and Reserve [Line Items]
As of December 31, 2013	3
Additions	0
Cash payments	(1)
Other changes	0
Exchange rate changes	0
As of September 30, 2014	2
Total	2
Consumer Specialties [Member] | Plant/Office Closures [Member]
Restructuring Cost and Reserve [Line Items]
As of December 31, 2013	0
Additions	0
Cash payments	0
Other changes	0
Exchange rate changes	0
As of September 30, 2014	0
Total	0
Industrial Specialties [Member]
Restructuring Cost and Reserve [Line Items]
As of September 30, 2014	1
Total	1
Industrial Specialties [Member] | Employee Termination Benefits [Member]
Restructuring Cost and Reserve [Line Items]
As of December 31, 2013	2
Additions	1
Cash payments	(2)
Other changes	0
Exchange rate changes	0
As of September 30, 2014	1
Total	1
Industrial Specialties [Member] | Plant/Office Closures [Member]
Restructuring Cost and Reserve [Line Items]
As of December 31, 2013	0
Additions	0
Cash payments	0
Other changes	0
Exchange rate changes	0
As of September 30, 2014	0
Total	0
Acetyl Intermediates [Member]
Restructuring Cost and Reserve [Line Items]
As of September 30, 2014	19
Total	19
Acetyl Intermediates [Member] | Contract Termination [Member]
Restructuring Cost and Reserve [Line Items]
Other changes	(10)
Acetyl Intermediates [Member] | Employee Termination Benefits [Member]
Restructuring Cost and Reserve [Line Items]
As of December 31, 2013	16
Additions	4
Cash payments	(13)
Other changes	0
Exchange rate changes	0
As of September 30, 2014	7
Total	7
Acetyl Intermediates [Member] | Plant/Office Closures [Member]
Restructuring Cost and Reserve [Line Items]
As of December 31, 2013	33
Additions	0
Cash payments	(7)
Other changes	(12)	[1]
Exchange rate changes	(2)
As of September 30, 2014	12
Total	12
Other [Member]
Restructuring Cost and Reserve [Line Items]
As of September 30, 2014	3
Total	3
Other [Member] | Employee Termination Benefits [Member]
Restructuring Cost and Reserve [Line Items]
As of December 31, 2013	4
Additions	0
Cash payments	(1)
Other changes	0
Exchange rate changes	0
As of September 30, 2014	3
Total	3
Other [Member] | Plant/Office Closures [Member]
Restructuring Cost and Reserve [Line Items]
As of December 31, 2013	0
Additions	0
Cash payments	0
Other changes	0
Exchange rate changes	0
As of September 30, 2014	0
Total	$ 0

[1] Includes a $10 million non-cash reduction to take-or-pay contract termination penalties resulting from the closure of the Company's VAM facility in Tarragona, Spain (Note 3).