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Restructuring - Additional Information (Details)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2024
USD ($)
facility
Jun. 30, 2023
USD ($)
Jun. 30, 2024
USD ($)
facility
Jun. 30, 2023
USD ($)
Restructuring Cost and Reserve [Line Items]        
Restructuring charges $ 10 $ 22 $ 36 $ 60
Aggregate charges incurred since inception 176   176  
Organizational Realignment Plan        
Restructuring Cost and Reserve [Line Items]        
Restructuring charges 9   31  
Restructuring-related charges 8   8  
Aggregate charges incurred since inception $ 39   $ 39  
Number of facilities consolidated | facility 5   5  
Net charge on sale leaseback $ 6      
Organizational Realignment Plan | Other charges        
Restructuring Cost and Reserve [Line Items]        
Estimated aggregate restructuring and restructuring-related charges 4   $ 4  
Organizational Realignment Plan | Minimum        
Restructuring Cost and Reserve [Line Items]        
Estimated aggregate restructuring and restructuring-related charges 75   75  
Organizational Realignment Plan | Minimum | Severance and termination costs        
Restructuring Cost and Reserve [Line Items]        
Estimated aggregate restructuring and restructuring-related charges 60   60  
Organizational Realignment Plan | Minimum | Office space reductions        
Restructuring Cost and Reserve [Line Items]        
Estimated aggregate restructuring and restructuring-related charges 11   11  
Organizational Realignment Plan | Maximum        
Restructuring Cost and Reserve [Line Items]        
Estimated aggregate restructuring and restructuring-related charges 90   90  
Organizational Realignment Plan | Maximum | Severance and termination costs        
Restructuring Cost and Reserve [Line Items]        
Estimated aggregate restructuring and restructuring-related charges 70   70  
Organizational Realignment Plan | Maximum | Office space reductions        
Restructuring Cost and Reserve [Line Items]        
Estimated aggregate restructuring and restructuring-related charges 16   16  
Network Optimization Project        
Restructuring Cost and Reserve [Line Items]        
Restructuring charges 0 2 3 2
Restructuring-related charges 6 8 8 8
Aggregate charges incurred since inception 34   34  
Network Optimization Project | Minimum        
Restructuring Cost and Reserve [Line Items]        
Estimated aggregate restructuring and restructuring-related charges 37   37  
Expected cash expenditures     35  
Network Optimization Project | Minimum | Severance and termination costs        
Restructuring Cost and Reserve [Line Items]        
Estimated aggregate restructuring and restructuring-related charges 8   8  
Network Optimization Project | Minimum | Industrial site reductions        
Restructuring Cost and Reserve [Line Items]        
Estimated aggregate restructuring and restructuring-related charges 29   29  
Network Optimization Project | Maximum        
Restructuring Cost and Reserve [Line Items]        
Estimated aggregate restructuring and restructuring-related charges 49   49  
Expected cash expenditures     44  
Network Optimization Project | Maximum | Severance and termination costs        
Restructuring Cost and Reserve [Line Items]        
Estimated aggregate restructuring and restructuring-related charges 11   11  
Network Optimization Project | Maximum | Industrial site reductions        
Restructuring Cost and Reserve [Line Items]        
Estimated aggregate restructuring and restructuring-related charges 38   38  
Project Phoenix        
Restructuring Cost and Reserve [Line Items]        
Restructuring charges 0 17 1 53
Restructuring-related charges 2 4 5 10
Aggregate charges incurred since inception 103   103  
Project Phoenix | Other charges        
Restructuring Cost and Reserve [Line Items]        
Estimated aggregate restructuring and restructuring-related charges 5   5  
Project Phoenix | Minimum        
Restructuring Cost and Reserve [Line Items]        
Estimated aggregate restructuring and restructuring-related charges 100   100  
Expected cash expenditures     95  
Project Phoenix | Minimum | Severance and termination costs        
Restructuring Cost and Reserve [Line Items]        
Estimated aggregate restructuring and restructuring-related charges 80   80  
Project Phoenix | Minimum | Office space reductions        
Restructuring Cost and Reserve [Line Items]        
Estimated aggregate restructuring and restructuring-related charges 15   15  
Project Phoenix | Maximum        
Restructuring Cost and Reserve [Line Items]        
Estimated aggregate restructuring and restructuring-related charges 130   130  
Expected cash expenditures     120  
Project Phoenix | Maximum | Severance and termination costs        
Restructuring Cost and Reserve [Line Items]        
Estimated aggregate restructuring and restructuring-related charges 105   105  
Project Phoenix | Maximum | Office space reductions        
Restructuring Cost and Reserve [Line Items]        
Estimated aggregate restructuring and restructuring-related charges 20   20  
Other Restructuring and Restructuring-Related Charges        
Restructuring Cost and Reserve [Line Items]        
Restructuring charges 1 3 1 5
Restructuring-related charges $ 0 $ 5 $ 8 $ 12