v3.26.3
Restructuring Charges - Narrative (Details) - USD ($)
 3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Accrued Restructuring Costs        
Restructuring charges $ 51,000,000 $ 0 $ 135,000,000 $ 0
NextGen Program        
Accrued Restructuring Costs        
Restructuring charges   51,000,000   135,000,000
NextGen Program | Minimum        
Accrued Restructuring Costs        
Restructuring expected costs 180,000,000   180,000,000  
NextGen Program | Maximum        
Accrued Restructuring Costs        
Restructuring expected costs 250,000,000   250,000,000  
Employee Severance        
Accrued Restructuring Costs        
Restructuring charges     102,000,000  
Employee Severance | NextGen Program        
Accrued Restructuring Costs        
Restructuring charges   46,000,000   102,000,000
Employee Severance | NextGen Program | Minimum        
Accrued Restructuring Costs        
Restructuring expected costs 150,000,000   150,000,000  
Employee Severance | NextGen Program | Maximum        
Accrued Restructuring Costs        
Restructuring expected costs 200,000,000   200,000,000  
Other Restructuring | NextGen Program        
Accrued Restructuring Costs        
Restructuring charges   $ 5,000,000   $ 33,000,000
Other Restructuring | NextGen Program | Minimum        
Accrued Restructuring Costs        
Restructuring expected costs 30,000,000   30,000,000  
Other Restructuring | NextGen Program | Maximum        
Accrued Restructuring Costs        
Restructuring expected costs $ 50,000,000   $ 50,000,000