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Restructuring - Additional Information (Details)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2024
USD ($)
Jun. 30, 2024
USD ($)
facility
Sep. 30, 2023
USD ($)
Sep. 30, 2024
USD ($)
Sep. 30, 2023
USD ($)
Restructuring Cost and Reserve [Line Items]          
Restructuring charges $ 4   $ 16 $ 40 $ 76
Aggregate charges incurred since inception 187     187  
Organizational Realignment Plan          
Restructuring Cost and Reserve [Line Items]          
Restructuring charges 1     32  
Restructuring-related charges 2     10  
Aggregate charges incurred since inception 42     42  
Number of facilities to be consolidated | facility   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   3 3 5
Restructuring-related charges 5   4 13 12
Aggregate charges incurred since inception 39     39  
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 1   10 2 63
Restructuring-related charges 2   5 7 15
Aggregate charges incurred since inception 106     106  
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 2   3 3 8
Restructuring-related charges $ 9   $ 16 $ 17 $ 28