v3.26.1
Restructuring Charges - Narrative (Details) - USD ($)
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Accrued Restructuring Costs        
Restructuring charges $ 84,000,000 $ 0 $ 84,000,000 $ 0
NextGen Program        
Accrued Restructuring Costs        
Restructuring charges   84,000,000   84,000,000
NextGen Program | Minimum        
Accrued Restructuring Costs        
Restructuring expected costs 230,000,000   230,000,000  
NextGen Program | Maximum        
Accrued Restructuring Costs        
Restructuring expected costs 320,000,000   320,000,000  
Employee Severance        
Accrued Restructuring Costs        
Restructuring charges     56,000,000  
Employee Severance | NextGen Program        
Accrued Restructuring Costs        
Restructuring charges   56,000,000   56,000,000
Employee Severance | NextGen Program | Minimum        
Accrued Restructuring Costs        
Restructuring expected costs 200,000,000   200,000,000  
Employee Severance | NextGen Program | Maximum        
Accrued Restructuring Costs        
Restructuring expected costs 270,000,000   270,000,000  
Other Restructuring | NextGen Program        
Accrued Restructuring Costs        
Restructuring charges   $ 28,000,000   $ 28,000,000
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