Goodwill and Intangible Assets, net (Schedule of Finite-lived intangible assets) (Details) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
		Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Finite-Lived Intangible Assets [Line Items]
As of December 31, 2019				$ 809
Acquisitions				16
Exchange rate changes				(4)
As of June 30, 2020		$ 821		821
As of December 31, 2019				(612)
Amortization		(6)	$ (6)	(11)	$ (12)
Exchange rate changes				2
As of June 30, 2020		(621)		(621)
Net book value		200		200
Licensing Agreements [Member]
Finite-Lived Intangible Assets [Line Items]
As of December 31, 2019				42
Acquisitions				0
Exchange rate changes				(1)
As of June 30, 2020		41		41
As of December 31, 2019				(35)
Amortization				(1)
Exchange rate changes				1
As of June 30, 2020		(35)		(35)
Net book value		6		6
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
As of December 31, 2019				667
Acquisitions	[1]			16
Exchange rate changes				(3)
As of June 30, 2020		680		680
As of December 31, 2019				(504)
Amortization				(8)
Exchange rate changes				1
As of June 30, 2020		(511)		(511)
Net book value		169		169
Developed Technology Rights [Member]
Finite-Lived Intangible Assets [Line Items]
As of December 31, 2019				44
Acquisitions				0
Exchange rate changes				0
As of June 30, 2020		44		44
As of December 31, 2019				(35)
Amortization				(2)
Exchange rate changes				0
As of June 30, 2020		(37)		(37)
Net book value		7		7
Other Intangible Assets [Member]
Finite-Lived Intangible Assets [Line Items]
As of December 31, 2019				56
Acquisitions				0
Exchange rate changes				0
As of June 30, 2020		56		56
As of December 31, 2019				(38)
Amortization				0
Exchange rate changes				0
As of June 30, 2020		(38)		(38)
Net book value		$ 18		$ 18
Omni Plastics [Member]
Finite-Lived Intangible Assets [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life				14 years

[1] Related to acquired Elotex finite-lived intangible assets, with a weighted average amortization period of 14 years