Segment Information (Schedule of Business Segments) (Details) - USD ($) $ in Millions	3 Months Ended				6 Months Ended
	Jun. 30, 2017		Jun. 30, 2016		Jun. 30, 2017		Jun. 30, 2016		Dec. 31, 2016
Segment Reporting Information [Line Items]
Net sales	$ 1,510		$ 1,351		$ 2,981		$ 2,755
Other (charges) gains, net (Note 14)	(3)		(4)		(58)		(9)
Operating profit (loss)	240		243		432		530
Equity in net earnings (loss) of affiliates	38		35		85		73
Depreciation and amortization	75		73		146		146
Capital expenditures	58	[1]	56	[1]	99	[2]	114	[2]
Goodwill and intangible assets, net	1,277				1,277				$ 990
Total assets	8,883				8,883				8,357
Increase (decrease) in accrued capital expenditures	4		(2)		(17)		(14)
Operating Segments [Member] | Advanced Engineered Materials [Member]
Segment Reporting Information [Line Items]
Net sales	516		365		1,003		715
Other (charges) gains, net (Note 14)	(2)		(1)		(2)		(2)
Operating profit (loss)	97		82		195		170
Equity in net earnings (loss) of affiliates	38		27		80		58
Depreciation and amortization	26		25		50		49
Capital expenditures	13		19		23		38
Goodwill and intangible assets, net	784				784				517
Total assets	3,358				3,358				2,792
Operating Segments [Member] | Consumer Specialties [Member]
Segment Reporting Information [Line Items]
Net sales	193		235		411		479
Other (charges) gains, net (Note 14)	(1)		0		(2)		0
Operating profit (loss)	49		80		117		158
Equity in net earnings (loss) of affiliates	0		0		1		1
Depreciation and amortization	11		11		22		22
Capital expenditures	8		9		14		18
Goodwill and intangible assets, net	252				252				244
Total assets	869				869				1,324
Operating Segments [Member] | Industrial Specialties [Member]
Segment Reporting Information [Line Items]
Net sales	262	[3]	262	[3]	507	[4]	515	[4]
Other (charges) gains, net (Note 14)	0		(2)		0		(3)
Operating profit (loss)	26		29		51		60
Equity in net earnings (loss) of affiliates	0		0		0		0
Depreciation and amortization	10		8		18		16
Capital expenditures	6		12		10		30
Goodwill and intangible assets, net	46				46				46
Total assets	816				816				758
Operating Segments [Member] | Acetyl Intermediates [Member]
Segment Reporting Information [Line Items]
Net sales	649	[3]	592	[3]	1,268	[4]	1,255	[4]
Other (charges) gains, net (Note 14)	3		(1)		(50)		(1)
Operating profit (loss)	109		77		136		191
Equity in net earnings (loss) of affiliates	2		2		3		3
Depreciation and amortization	26		27		52		54
Capital expenditures	28		14		48		23
Goodwill and intangible assets, net	195				195				183
Total assets	2,415				2,415				2,440
Corporate, Non-Segment [Member] | Other Activities [Member]
Segment Reporting Information [Line Items]
Net sales	0		0		0		0
Other (charges) gains, net (Note 14)	(3)		0		(4)		(3)
Operating profit (loss)	(41)		(26)		(67)		(50)
Equity in net earnings (loss) of affiliates	(2)		6		1		11
Depreciation and amortization	2		2		4		5
Capital expenditures	3		2		4		5
Goodwill and intangible assets, net	0				0				0
Total assets	1,425				1,425				1,043
Eliminations [Member]
Segment Reporting Information [Line Items]
Net sales	(110)		(103)		(208)		(209)
Other (charges) gains, net (Note 14)	0		0		0		0
Operating profit (loss)	0		1		0		1
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		1		2		1
Eliminations [Member] | Acetyl Intermediates [Member]
Segment Reporting Information [Line Items]
Net sales	$ 109		$ 102		$ 206		$ 208

[1] Includes an increase in accrued capital expenditures of $4 million and a decrease of $2 million for the three months ended June 30, 2017 and 2016, respectively.

[2] Includes a decrease in accrued capital expenditures of $17 million and $14 million for the six months ended June 30, 2017 and 2016, respectively.

[3] Net sales for Acetyl Intermediates and Industrial Specialties include intersegment sales of $109 million and $1 million, respectively, for the three months ended June 30, 2017 and $102 million and $1 million, respectively, for the three months ended June 30, 2016.

[4] Net sales for Acetyl Intermediates and Industrial Specialties include intersegment sales of $206 million and $2 million, respectively, for the six months ended June 30, 2017 and $208 million and $1 million, respectively, for the six months ended June 30, 2016.