Goodwill and Intangible Assets, Net (Schedule of Finite-Lived Intangible Assets, Net) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015		Dec. 31, 2014		Dec. 31, 2013
Finite-Lived intangible Assets Rollforward
Acquisitions (Note 4)	$ 10	[1]	$ 15	[2]
Acquisitions (Note 5)	10	[1]	15	[2]
Exchange rate changes	(40)		(52)
Gross asset value	579		609		$ 646
Amortization	(11)		(20)		(32)
Exchange rate changes	39		51
Accumulated amortization	(528)		(556)		(587)
Net book value	51
Licenses [Member]
Finite-Lived intangible Assets Rollforward
Acquisitions (Note 4)	7		0
Acquisitions (Note 5)	7		0
Exchange rate changes	(1)		(1)
Gross asset value	38		32		33
Amortization	(3)		(3)
Exchange rate changes	1		0
Accumulated amortization	(25)		(23)		(20)
Net book value	13
Customer-Related Intangible Assets [Member]
Finite-Lived intangible Assets Rollforward
Acquisitions (Note 4)	0		2
Acquisitions (Note 5)	0		2
Exchange rate changes	(39)		(51)
Gross asset value	456		495		544
Amortization	(4)		(12)
Exchange rate changes	38		50
Accumulated amortization	(449)		(483)		(521)
Net book value	7
Developed Technology [Member]
Finite-Lived intangible Assets Rollforward
Acquisitions (Note 4)	2		3
Acquisitions (Note 5)	2		3
Exchange rate changes	0		0
Gross asset value	35		33		30
Amortization	(2)		(3)
Exchange rate changes	0		1
Accumulated amortization	(25)		(23)		(21)
Net book value	10
Covenants Not to Compete and Other [Member]
Finite-Lived intangible Assets Rollforward
Acquisitions (Note 4)	1		10
Acquisitions (Note 5)	1		10
Exchange rate changes	0		0
Gross asset value	50		49		39
Amortization	(2)		(2)
Exchange rate changes	0		0
Accumulated amortization	(29)		$ (27)		$ (25)
Net book value	$ 21
Cool Polymers, Inc. [Member]
Finite-Lived intangible Assets Rollforward
Weighted average life of intangible assets acquired			7 years
Fairway Methanol LLC [Member]
Finite-Lived intangible Assets Rollforward
Weighted average life of intangible assets acquired	16 years

[1] Primarily related to intangible assets acquired by Fairway (Note 5) during the year ended December 31, 2015, with a weighted average amortization period of 16 years.

[2] Includes intangible assets acquired from Cool Polymers, Inc. with a weighted average amortization period of seven years (Note 4). Also includes intangible assets reimbursed by Mitsui (Note 5) during the year ended December 31, 2014.