Company Restructuring - Changes in the restructuring liability (Details) $ in Millions	6 Months Ended
	Jun. 30, 2023 USD ($)
Restructuring Reserve [Roll Forward]
Restructuring liability as of December 31, 2022	$ 34
Expense incurred	60
Adjustments to liability	(6)
Payments and non-cash charges	(70)
Restructuring liability as of June 30, 2023	18
Employee costs
Restructuring Reserve [Roll Forward]
Restructuring liability as of December 31, 2022	27
Expense incurred	15
Adjustments to liability	0
Payments and non-cash charges	(25)
Restructuring liability as of June 30, 2023	17
Exit costs
Restructuring Reserve [Roll Forward]
Restructuring liability as of December 31, 2022	7
Expense incurred	45
Adjustments to liability	(6)
Payments and non-cash charges	(45)
Restructuring liability as of June 30, 2023	$ 1