Other (Charges) Gains, Net (Schedule of Restructuring Reserves) (Details) (USD $) In Millions, unless otherwise specified	6 Months Ended
	Jun. 30, 2014
Restructuring Cost and Reserve [Line Items]
As of June 30, 2014	$ 40
Total	40
Employee Termination Benefits [Member]
Restructuring Cost and Reserve [Line Items]
As of December 31, 2013	29
Additions	3
Cash payments	(13)
Other changes	0
Exchange rate changes	0
As of June 30, 2014	19
Total	19
Plant/Office Closures [Member]
Restructuring Cost and Reserve [Line Items]
As of December 31, 2013	33
Additions	0
Cash payments	(7)
Other changes	(5)
Exchange rate changes	0
As of June 30, 2014	21
Total	21
Advanced Engineered Materials [Member]
Restructuring Cost and Reserve [Line Items]
As of June 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	0
Exchange rate changes	0
As of June 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 June 30, 2014	0
Total	0
Consumer Specialties [Member]
Restructuring Cost and Reserve [Line Items]
As of June 30, 2014	3
Total	3
Consumer Specialties [Member] | Employee Termination Benefits [Member]
Restructuring Cost and Reserve [Line Items]
As of December 31, 2013	3
Additions	0
Cash payments	0
Other changes	0
Exchange rate changes	0
As of June 30, 2014	3
Total	3
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 June 30, 2014	0
Total	0
Industrial Specialties [Member]
Restructuring Cost and Reserve [Line Items]
As of June 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	0
Cash payments	(1)
Other changes	0
Exchange rate changes	0
As of June 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 June 30, 2014	0
Total	0
Acetyl Intermediates [Member]
Restructuring Cost and Reserve [Line Items]
As of June 30, 2014	29
Total	29
Acetyl Intermediates [Member] | Employee Termination Benefits [Member]
Restructuring Cost and Reserve [Line Items]
As of December 31, 2013	16
Additions	2
Cash payments	(10)
Other changes	0
Exchange rate changes	0
As of June 30, 2014	8
Total	8
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	(5)
Exchange rate changes	0
As of June 30, 2014	21
Total	21
Other [Member]
Restructuring Cost and Reserve [Line Items]
As of June 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 June 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 June 30, 2014	0
Total	$ 0