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Restructuring Activities - Narrative (Details)
$ in Millions
Mar. 31, 2023
USD ($)
Acquisition Related Intangibles Impairments and Other Charges  
Restructuring Cost and Reserve [Line Items]  
Restructuring and related cost, expected cost $ 66
Minimum | 2023 Plan  
Restructuring Cost and Reserve [Line Items]  
Restructuring and related cost, expected cost 170
Minimum | Workforce | 2023 Plan  
Restructuring Cost and Reserve [Line Items]  
Restructuring and related cost, expected cost 55
Minimum | Office Space Reductions (b) | 2023 Plan  
Restructuring Cost and Reserve [Line Items]  
Restructuring and related cost, expected cost 45
Minimum | Other Restructuring | 2023 Plan  
Restructuring Cost and Reserve [Line Items]  
Restructuring and related cost, expected cost 5
Maximum | 2023 Plan  
Restructuring Cost and Reserve [Line Items]  
Restructuring and related cost, expected cost 200
Maximum | Workforce | 2023 Plan  
Restructuring Cost and Reserve [Line Items]  
Restructuring and related cost, expected cost 65
Maximum | Office Space Reductions (b) | 2023 Plan  
Restructuring Cost and Reserve [Line Items]  
Restructuring and related cost, expected cost 55
Maximum | Other Restructuring | 2023 Plan  
Restructuring Cost and Reserve [Line Items]  
Restructuring and related cost, expected cost $ 10