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Restructuring - Additional Information (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring charges | $ 16 | $ 3 | $ 76 | $ 12
Project Phoenix |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring charges | 10 |  | 63 |
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 | 3 |  | 5 |
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 | $ 3 | $ 8 | $ 12

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