Company Restructuring - Changes in the restructuring liability (Details) $ in Millions	6 Months Ended
	Jun. 30, 2022 USD ($)
Restructuring Reserve [Roll Forward]
Restructuring liability as of December 31, 2021	$ 21
Expense incurred	21
Adjustments to liability	(8)
Payments and non-cash charges	(23)
Restructuring liability as of June 30, 2022	11
Employee costs
Restructuring Reserve [Roll Forward]
Restructuring liability as of December 31, 2021	14
Expense incurred	4
Adjustments to liability	(8)
Payments and non-cash charges	(6)
Restructuring liability as of June 30, 2022	4
Exit costs
Restructuring Reserve [Roll Forward]
Restructuring liability as of December 31, 2021	7
Expense incurred	17
Adjustments to liability	0
Payments and non-cash charges	(17)
Restructuring liability as of June 30, 2022	$ 7