Restructuring - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 22	$ 4	$ 60	$ 9
Project Phoenix
Restructuring Cost and Reserve [Line Items]
Restructuring charges	17		53
Project Phoenix | Other Restructuring
Restructuring Cost and Reserve [Line Items]
Restructuring charges			5
Project Phoenix | Minimum
Restructuring Cost and Reserve [Line Items]
Estimated aggregate restructuring charges	100		100
Expected cash payments			95
Project Phoenix | Minimum | Employee Severance
Restructuring Cost and Reserve [Line Items]
Estimated aggregate restructuring charges	80		80
Project Phoenix | Minimum | Office Space Reductions
Restructuring Cost and Reserve [Line Items]
Estimated aggregate restructuring charges	15		15
Project Phoenix | Maximum
Restructuring Cost and Reserve [Line Items]
Estimated aggregate restructuring charges	130		130
Expected cash payments			120
Project Phoenix | Maximum | Employee Severance
Restructuring Cost and Reserve [Line Items]
Estimated aggregate restructuring charges	105		105
Project Phoenix | Maximum | Office Space Reductions
Restructuring Cost and Reserve [Line Items]
Estimated aggregate restructuring charges	20		20
Network Optimization Project
Restructuring Cost and Reserve [Line Items]
Restructuring charges	2		2
Network Optimization Project | Minimum
Restructuring Cost and Reserve [Line Items]
Estimated aggregate restructuring charges	37		37
Expected cash payments			35
Network Optimization Project | Minimum | Employee Severance
Restructuring Cost and Reserve [Line Items]
Estimated aggregate restructuring charges	8		8
Network Optimization Project | Minimum | Industrial Site Reductions
Restructuring Cost and Reserve [Line Items]
Estimated aggregate restructuring charges	29		29
Network Optimization Project | Maximum
Restructuring Cost and Reserve [Line Items]
Estimated aggregate restructuring charges	49		49
Expected cash payments			44
Network Optimization Project | Maximum | Employee Severance
Restructuring Cost and Reserve [Line Items]
Estimated aggregate restructuring charges	11		11
Network Optimization Project | Maximum | Industrial Site Reductions
Restructuring Cost and Reserve [Line Items]
Estimated aggregate restructuring charges	38		38
Other Restructuring And Restructuring-Related Costs
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 3	$ 4	$ 5	$ 9