Goodwill and Intangible Assets, net (Schedule of Finite-lived intangible assets) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Finite-Lived Intangible Assets [Line Items]
As of December 31, 2020	$ 869
Exchange rate changes	(21)
As of March 31, 2021	848
As of December 31, 2020	(672)
Amortization	(6)	$ (5)
Exchange rate changes	19
As of March 31, 2021	(659)
Net book value	189
Licensing Agreements [Member]
Finite-Lived Intangible Assets [Line Items]
As of December 31, 2020	44
Exchange rate changes	0
As of March 31, 2021	44
As of December 31, 2020	(38)
Amortization	0
Exchange rate changes	0
As of March 31, 2021	(38)
Net book value	6
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
As of December 31, 2020	724
Exchange rate changes	(21)
As of March 31, 2021	703
As of December 31, 2020	(555)
Amortization	(4)
Exchange rate changes	17
As of March 31, 2021	(542)
Net book value	161
Developed Technology Rights [Member]
Finite-Lived Intangible Assets [Line Items]
As of December 31, 2020	45
Exchange rate changes	0
As of March 31, 2021	45
As of December 31, 2020	(40)
Amortization	(2)
Exchange rate changes	2
As of March 31, 2021	(40)
Net book value	5
Other Intangible Assets [Member]
Finite-Lived Intangible Assets [Line Items]
As of December 31, 2020	56
Exchange rate changes	0
As of March 31, 2021	56
As of December 31, 2020	(39)
Amortization	0
Exchange rate changes	0
As of March 31, 2021	(39)
Net book value	$ 17