Company Restructuring - Changes in the restructuring liability (Details) $ in Millions	3 Months Ended
	Mar. 31, 2022 USD ($)
Restructuring Reserve
Restructuring liability as of December 31, 2021	$ 21
Expense incurred	12
Payments and non-cash charges	(18)
Restructuring liability as of March 31, 2022	15
Employee costs
Restructuring Reserve
Restructuring liability as of December 31, 2021	14
Expense incurred	0
Payments and non-cash charges	(6)
Restructuring liability as of March 31, 2022	8
Exit costs
Restructuring Reserve
Restructuring liability as of December 31, 2021	7
Expense incurred	12
Payments and non-cash charges	(12)
Restructuring liability as of March 31, 2022	$ 7