Other (Charges) Gains, Net (Schedule of Restructuring Reserves) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Restructuring Cost and Reserve [Line Items]
Reserve as of the end of the period	$ 30
Total	30
Employee Termination Benefits [Member]
Restructuring Cost and Reserve [Line Items]
Reserve as of the beginning of the period	14	$ 29
Additions	52	7
Cash payments	(28)	(21)
Other changes	(6)	0
Exchange rate changes	(2)	(1)
Reserve as of the end of the period	30	14
Total	14	29
Plant/Office Closures [Member]
Restructuring Cost and Reserve [Line Items]
Reserve as of the beginning of the period	7	33
Additions	0	0
Cash payments	(6)	(9)
Other changes	0	(15)
Exchange rate changes	(1)	(2)
Reserve as of the end of the period	0	7
Total	7	33
Advanced Engineered Materials [Member]
Restructuring Cost and Reserve [Line Items]
Reserve as of the end of the period	3
Total	3
Advanced Engineered Materials [Member] | Employee Termination Benefits [Member]
Restructuring Cost and Reserve [Line Items]
Reserve as of the beginning of the period	4	4
Additions	7	1
Cash payments	(4)	(1)
Other changes	(3)	0
Exchange rate changes	(1)	0
Reserve as of the end of the period	3	4
Total	4	4
Advanced Engineered Materials [Member] | Plant/Office Closures [Member]
Restructuring Cost and Reserve [Line Items]
Reserve as of the beginning of the period	0	0
Additions	0	0
Cash payments	0	0
Other changes	0	0
Exchange rate changes	0	0
Reserve as of the end of the period	0	0
Total	0	0
Consumer Specialties [Member]
Restructuring Cost and Reserve [Line Items]
Reserve as of the end of the period	14
Total	14
Consumer Specialties [Member] | Employee Termination Benefits [Member]
Restructuring Cost and Reserve [Line Items]
Reserve as of the beginning of the period	1	3
Additions	25	1
Cash payments	(12)	(3)
Other changes	0	0
Exchange rate changes	0	0
Reserve as of the end of the period	14	1
Total	1	3
Consumer Specialties [Member] | Plant/Office Closures [Member]
Restructuring Cost and Reserve [Line Items]
Reserve as of the beginning of the period	0	0
Additions	0	0
Cash payments	0	0
Other changes	0	0
Exchange rate changes	0	0
Reserve as of the end of the period	0	0
Total	0	0
Industrial Specialties [Member]
Restructuring Cost and Reserve [Line Items]
Reserve as of the end of the period	6
Total	6
Industrial Specialties [Member] | Employee Termination Benefits [Member]
Restructuring Cost and Reserve [Line Items]
Reserve as of the beginning of the period	1	2
Additions	9	1
Cash payments	(4)	(2)
Other changes	0	0
Exchange rate changes	0	0
Reserve as of the end of the period	6	1
Total	1	2
Industrial Specialties [Member] | Plant/Office Closures [Member]
Restructuring Cost and Reserve [Line Items]
Reserve as of the beginning of the period	0	0
Additions	0	0
Cash payments	0	0
Other changes	0	0
Exchange rate changes	0	0
Reserve as of the end of the period	0	0
Total	0	0
Acetyl Intermediates [Member]
Restructuring Cost and Reserve [Line Items]
Reserve as of the end of the period	1
Total	1
Acetyl Intermediates [Member] | Contract Termination [Member]
Restructuring Cost and Reserve [Line Items]
Other changes		(13)
Acetyl Intermediates [Member] | Employee Termination Benefits [Member]
Restructuring Cost and Reserve [Line Items]
Reserve as of the beginning of the period	5	16
Additions	2	4
Cash payments	(5)	(14)
Other changes	0	0
Exchange rate changes	(1)	(1)
Reserve as of the end of the period	1	5
Total	5	16
Acetyl Intermediates [Member] | Plant/Office Closures [Member]
Restructuring Cost and Reserve [Line Items]
Reserve as of the beginning of the period	7	33
Additions	0	0
Cash payments	(6)	(9)
Other changes	0	(15)	[1]
Exchange rate changes	(1)	(2)
Reserve as of the end of the period	0	7
Total	7	33
Other [Member]
Restructuring Cost and Reserve [Line Items]
Reserve as of the end of the period	6
Total	6
Other [Member] | Employee Termination Benefits [Member]
Restructuring Cost and Reserve [Line Items]
Reserve as of the beginning of the period	3	4
Additions	9	0
Cash payments	(3)	(1)
Other changes	(3)	0
Exchange rate changes	0	0
Reserve as of the end of the period	6	3
Total	3	4
Other [Member] | Plant/Office Closures [Member]
Restructuring Cost and Reserve [Line Items]
Reserve as of the beginning of the period	0	0
Additions	0	0
Cash payments	0	0
Other changes	0	0
Exchange rate changes	0	0
Reserve as of the end of the period	0	0
Total	$ 0	$ 0

[1] Includes a $13 million non-cash reduction to take-or-pay contract termination penalties.