Segment Information (Schedule of Business Segments) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended				6 Months Ended
	Jun. 30, 2014		Jun. 30, 2013		Jun. 30, 2014		Jun. 30, 2013		Dec. 31, 2013
Segment Reporting Information [Line Items]
Net sales	$ 1,769		$ 1,653		$ 3,474		$ 3,258
Other (charges) gains, net	2		(3)		1		(7)
Operating profit (loss)	259		169		502		353
Equity in net earnings (loss) of affiliates	101		55		141		109
Depreciation and amortization	72		75		147		151
Capital expenditures	131	[1]	93	[2]	249	[3]	150	[4]
Goodwill and intangible assets, net	934				934				940
Total assets	9,333				9,333				9,018
Increase (decrease) in accrued capital expenditures	6		18		(24)		1
Operating Segments [Member] | Advanced Engineered Materials [Member]
Segment Reporting Information [Line Items]
Net sales	389		352		762		681
Other (charges) gains, net	(1)		(2)		(1)		(4)
Operating profit (loss)	56		39		113		75
Equity in net earnings (loss) of affiliates	45		45		78		85
Depreciation and amortization	27		27		53		56
Capital expenditures	11		13		20		21
Goodwill and intangible assets, net	364				364				368
Total assets	2,675				2,675				2,643
Operating Segments [Member] | Consumer Specialties [Member]
Segment Reporting Information [Line Items]
Net sales	289	[5]	314	[5]	591	[6]	609	[6]
Other (charges) gains, net	0		0		0		0
Operating profit (loss)	80		83		179		161
Equity in net earnings (loss) of affiliates	7		1		8		3
Depreciation and amortization	10		10		21		20
Capital expenditures	22		29		50		43
Goodwill and intangible assets, net	276				276				278
Total assets	1,511				1,511				1,478
Operating Segments [Member] | Industrial Specialties [Member]
Segment Reporting Information [Line Items]
Net sales	333		295		645		583
Other (charges) gains, net	0		(1)		0		(2)
Operating profit (loss)	24		18		44		33
Equity in net earnings (loss) of affiliates	0		0		0		0
Depreciation and amortization	12		12		26		24
Capital expenditures	6		6		10		11
Goodwill and intangible assets, net	58				58				60
Total assets	974				974				1,002
Operating Segments [Member] | Acetyl Intermediates [Member]
Segment Reporting Information [Line Items]
Net sales	901	[5]	809	[5]	1,742	[6]	1,617	[6]
Other (charges) gains, net	2		0		2		(1)
Operating profit (loss)	142		55		239		130
Equity in net earnings (loss) of affiliates	14		1		15		4
Depreciation and amortization	19		22		40		43
Capital expenditures	90		42		166		71
Goodwill and intangible assets, net	236				236				234
Total assets	2,533				2,533				2,333
Corporate, Non-Segment [Member] | Other Activities [Member]
Segment Reporting Information [Line Items]
Net sales	0		0		0		0
Other (charges) gains, net	1		0		0		0
Operating profit (loss)	(43)		(26)		(73)		(46)
Equity in net earnings (loss) of affiliates	35		8		40		17
Depreciation and amortization	4		4		7		8
Capital expenditures	2		3		3		4
Goodwill and intangible assets, net	0				0				0
Total assets	1,640				1,640				1,562
Eliminations [Member]
Segment Reporting Information [Line Items]
Net sales	(143)		(117)		(266)		(232)
Other (charges) gains, net	0		0		0		0
Operating profit (loss)	0		0		0		0
Equity in net earnings (loss) of affiliates	0		0		0		0
Depreciation and amortization	0		0		0		0
Capital expenditures	0		0		0		0
Goodwill and intangible assets, net	0				0				0
Total assets	0				0				0
Eliminations [Member] | Consumer Specialties [Member]
Segment Reporting Information [Line Items]
Net sales	0		1		0		4
Eliminations [Member] | Acetyl Intermediates [Member]
Segment Reporting Information [Line Items]
Net sales	$ 143		$ 116		$ 266		$ 228

[1] Includes an increase in accrued capital expenditures of $6 million for the three months ended June 30, 2014.

[2] Excludes expenditures related to the relocation of the Company’s POM operations in Germany and includes an increase in accrued capital expenditures of $18 million for the three months ended June 30, 2013.

[3] Includes a decrease in accrued capital expenditures of $24 million for the six months ended June 30, 2014.

[4] Excludes expenditures related to the relocation of the Company’s POM operations in Germany and includes an increase in accrued capital expenditures of $1 million for the six months ended June 30, 2013.

[5] Net sales for Acetyl Intermediates and Consumer Specialties include inter-segment sales of $143 million and $0 million, respectively, for the three months ended June 30, 2014 and $116 million and $1 million, respectively, for the three months ended June 30, 2013.

[6] Net sales for Acetyl Intermediates and Consumer Specialties include inter-segment sales of $266 million and $0 million, respectively, for the six months ended June 30, 2014 and $228 million and $4 million, respectively, for the six months ended June 30, 2013.