Intangible Assets and Goodwill Accumulated Amortization Rollforward (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Accumulated Amortization [Roll Forward]
Balance at January 1	$ 1,004	$ 834
Amortization	148	144
Foreign currency translation and other	(18)	26
Balance at December 31	$ 1,134	$ 1,004