Goodwill and Intangible Assets, Net (Schedule of Indefinite-Lived Intangible Assets, Net) (Details) - Trademarks and Trade Names [Member] - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020		Dec. 31, 2019
Gross Asset Value
Gross asset value	$ 115		$ 112
Acquisitions (Note 4)	2	[1]	4	[2]
Impairment loss (Note 2)	1
Exchange rate changes	(6)		(1)
Gross asset value	$ 122		$ 115

[1] Related to indefinite-lived intangible assets acquired from Elotex.

[2] Related to indefinite-lived intangible assets acquired from Next Polymers.