Segment Information (Schedule of Business Segments) (Details) - USD ($) $ in Millions	3 Months Ended				6 Months Ended
	Jun. 30, 2016		Jun. 30, 2015		Jun. 30, 2016		Jun. 30, 2015		Dec. 31, 2015
Segment Reporting Information [Line Items]
Net sales	$ 1,351		$ 1,477		$ 2,755		$ 2,927
Other (charges) gains, net (Note 12)	(4)		(10)		(9)		(15)
Operating profit (loss)	243		188		530		445
Equity in net earnings (loss) of affiliates	35		40		73		88
Depreciation and amortization	73		105		146		172
Capital expenditures	56	[1]	153	[1]	114	[2]	299	[2]
Goodwill and intangible assets, net	832				832				$ 830
Total assets	8,248				8,248				8,586
Increase (decrease) in accrued capital expenditures	(2)		(12)		(14)		(28)
Operating Segments [Member] | Advanced Engineered Materials [Member]
Segment Reporting Information [Line Items]
Net sales	365		346		715		689
Other (charges) gains, net (Note 12)	(1)		(3)		(2)		(4)
Operating profit (loss)	82		67		170		126
Equity in net earnings (loss) of affiliates	27		31		58		74
Depreciation and amortization	25		24		49		49
Capital expenditures	19		16		38		33
Goodwill and intangible assets, net	341				341				338
Total assets	2,429				2,429				2,324
Operating Segments [Member] | Consumer Specialties [Member]
Segment Reporting Information [Line Items]
Net sales	235		249		479		476
Other (charges) gains, net (Note 12)	0		(1)		0		(1)
Operating profit (loss)	80		77		158		139
Equity in net earnings (loss) of affiliates	0		1		1		1
Depreciation and amortization	11		12		22		23
Capital expenditures	9		11		18		37
Goodwill and intangible assets, net	249				249				249
Total assets	1,445				1,445				1,458
Operating Segments [Member] | Industrial Specialties [Member]
Segment Reporting Information [Line Items]
Net sales	262	[3]	287	[3]	515	[4]	569	[4]
Other (charges) gains, net (Note 12)	(2)		(1)		(3)		(2)
Operating profit (loss)	29		28		60		57
Equity in net earnings (loss) of affiliates	0		0		0		0
Depreciation and amortization	8		9		16		19
Capital expenditures	12		13		30		19
Goodwill and intangible assets, net	48				48				49
Total assets	738				738				747
Operating Segments [Member] | Acetyl Intermediates [Member]
Segment Reporting Information [Line Items]
Net sales	592	[3]	707	[3]	1,255	[4]	1,420	[4]
Other (charges) gains, net (Note 12)	(1)		(1)		(1)		(2)
Operating profit (loss)	77		54		191		185
Equity in net earnings (loss) of affiliates	2		1		3		2
Depreciation and amortization	27		57		54		76
Capital expenditures	14		112		23		208
Goodwill and intangible assets, net	194				194				194
Total assets	2,321				2,321				2,387
Corporate, Non-Segment [Member] | Other Activities [Member]
Segment Reporting Information [Line Items]
Net sales	0		0		0		0
Other (charges) gains, net (Note 12)	0		(4)		(3)		(6)
Operating profit (loss)	(26)		(38)		(50)		(62)
Equity in net earnings (loss) of affiliates	6		7		11		11
Depreciation and amortization	2		3		5		5
Capital expenditures	2		1		5		2
Goodwill and intangible assets, net	0				0				0
Total assets	1,315				1,315				1,670
Eliminations [Member]
Segment Reporting Information [Line Items]
Net sales	(103)		(112)		(209)		(227)
Other (charges) gains, net (Note 12)	0		0		0		0
Operating profit (loss)	1		0		1		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] | Industrial Specialties [Member]
Segment Reporting Information [Line Items]
Net sales	1		0		1		0
Eliminations [Member] | Acetyl Intermediates [Member]
Segment Reporting Information [Line Items]
Net sales	$ 102		$ 112		$ 208		$ 227

[1] Includes a decrease in accrued capital expenditures of $2 million and $12 million for the three months ended June 30, 2016 and 2015, respectively.

[2] Includes a decrease in accrued capital expenditures of $14 million and $28 million for the six months ended June 30, 2016 and 2015, respectively.

[3] Net sales for Acetyl Intermediates and Industrial Specialties include intersegment sales of $102 million and $1 million, respectively, for the three months ended June 30, 2016 and $112 million and $0 million, respectively, for the three months ended June 30, 2015.

[4] Net sales for Acetyl Intermediates and Industrial Specialties include intersegment sales of $208 million and $1 million, respectively, for the six months ended June 30, 2016 and $227 million and $0 million, respectively, for the six months ended June 30, 2015.