Goodwill and Intangible Assets, net (Schedule of Finite-lived intangible assets) (Details) - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2018	Mar. 31, 2017
Finite-Lived Intangible Assets [Line Items]
As of December 31, 2017		$ 777
Acquisitions (Note 3)	[1]	35
Exchange rate changes		16
As of March 31, 2018		828
As of December 31, 2017		(591)
Amortization		(6)	$ (4)
Exchange rate changes		(12)
As of March 31, 2018		(609)
Net book value		219
Licensing Agreements [Member]
Finite-Lived Intangible Assets [Line Items]
As of December 31, 2017		38
Acquisitions (Note 3)		0
Exchange rate changes		1
As of March 31, 2018		39
As of December 31, 2017		(33)
Amortization		0
Exchange rate changes		(1)
As of March 31, 2018		(34)
Net book value		5
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
As of December 31, 2017		640
Acquisitions (Note 3)		32
Exchange rate changes		14
As of March 31, 2018		686
As of December 31, 2017		(496)
Amortization		(4)
Exchange rate changes		(10)
As of March 31, 2018		(510)
Net book value		176
Developed Technology Rights [Member]
Finite-Lived Intangible Assets [Line Items]
As of December 31, 2017		45
Acquisitions (Note 3)		0
Exchange rate changes		1
As of March 31, 2018		46
As of December 31, 2017		(30)
Amortization		(1)
Exchange rate changes		(1)
As of March 31, 2018		(32)
Net book value		14
Other Intangible Assets [Member]
Finite-Lived Intangible Assets [Line Items]
As of December 31, 2017		54
Acquisitions (Note 3)		3
Exchange rate changes		0
As of March 31, 2018		57
As of December 31, 2017		(32)
Amortization		(1)
Exchange rate changes		0
As of March 31, 2018		(33)
Net book value		$ 24
Nylon compounding division of Nilit Group [Member]
Finite-Lived Intangible Assets [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life		11 years

[1] Represents intangible assets acquired related to Omni Plastics (Note 3) with a weighted average amortization period of 11 years.