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Restructuring - Narrative (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2023 | Mar. 31, 2022
Restructuring Cost and Reserve [Line Items] |  |
Restructuring costs, net | $ 38 | $ 5
Other Restructuring And Restructuring-Related Costs |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring costs, net | 2 | $ 5
Project Phoenix |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring costs, net | 36 |
Project Phoenix | Other Restructuring |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring costs, net | 5 |
Project Phoenix | Minimum |  |
Restructuring Cost and Reserve [Line Items] |  |
Estimated aggregate restructuring charges | 100 |
Expected cash payments | 95 |
Project Phoenix | Minimum | Employee Severance |  |
Restructuring Cost and Reserve [Line Items] |  |
Estimated aggregate restructuring charges | 80 |
Project Phoenix | Minimum | Office Space Reductions |  |
Restructuring Cost and Reserve [Line Items] |  |
Estimated aggregate restructuring charges | 15 |
Project Phoenix | Maximum |  |
Restructuring Cost and Reserve [Line Items] |  |
Estimated aggregate restructuring charges | 130 |
Expected cash payments | 120 |
Project Phoenix | Maximum | Employee Severance |  |
Restructuring Cost and Reserve [Line Items] |  |
Estimated aggregate restructuring charges | 105 |
Project Phoenix | Maximum | Office Space Reductions |  |
Restructuring Cost and Reserve [Line Items] |  |
Estimated aggregate restructuring charges | $ 20 |

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