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Restructuring - Narrative (Details)
$ in Millions
9 Months Ended
Sep. 30, 2024
USD ($)
position
Dec. 31, 2023
USD ($)
2024 Restructuring Plan    
Restructuring Cost and Reserve [Line Items]    
Workforce reduction | position 415  
Employee severance charges $ 49  
Restructuring reserve balance 21  
Reductions to restructuring reserve $ 28  
2023 Restructuring Plan    
Restructuring Cost and Reserve [Line Items]    
Workforce reduction | position 1,050  
Restructuring reserve balance $ 37 $ 152
Reductions to restructuring reserve $ 115