Company Restructuring - Changes in the restructuring liability (Details) $ in Millions	3 Months Ended
	Mar. 31, 2023 USD ($)
Restructuring Reserve [Roll Forward]
Restructuring liability as of December 31, 2022	$ 34
Expense incurred	34
Adjustments to liability	(7)
Payments and non-cash charges	(44)
Restructuring liability as of March 31, 2023	17
Employee costs
Restructuring Reserve [Roll Forward]
Restructuring liability as of December 31, 2022	27
Expense incurred	6
Adjustments to liability	(2)
Payments and non-cash charges	(16)
Restructuring liability as of March 31, 2023	15
Exit costs
Restructuring Reserve [Roll Forward]
Restructuring liability as of December 31, 2022	7
Expense incurred	28
Adjustments to liability	(5)
Payments and non-cash charges	(28)
Restructuring liability as of March 31, 2023	$ 2