v3.26.1
Restructuring - Summary of Restructuring Costs (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
May 06, 2025
Restructuring Cost And Reserve [Line Items]      
Total Restructuring Costs $ 12 $ 4  
Inception to Date 203    
Estimated Remaining Cost 6    
Estimated Total Cost 209    
Transformation Program      
Restructuring Cost And Reserve [Line Items]      
Total Restructuring Costs 0 4  
Inception to Date 140    
Estimated Remaining Cost 0    
Estimated Total Cost 140    
Transformation Program | Severance and Related Benefits      
Restructuring Cost And Reserve [Line Items]      
Total Restructuring Costs 0 2  
Inception to Date 45    
Estimated Remaining Cost 0    
Estimated Total Cost 45    
Transformation Program | Other Restructuring Costs      
Restructuring Cost And Reserve [Line Items]      
Total Restructuring Costs 0 2  
Inception to Date 95    
Estimated Remaining Cost 0    
Estimated Total Cost 95    
Post-Separation Plan      
Restructuring Cost And Reserve [Line Items]      
Total Restructuring Costs 12 0  
Inception to Date 63    
Estimated Remaining Cost 6    
Estimated Total Cost 69   $ 69
Post-Separation Plan | Severance and Related Benefits      
Restructuring Cost And Reserve [Line Items]      
Total Restructuring Costs 1 0  
Inception to Date 21    
Estimated Remaining Cost 1    
Estimated Total Cost 22    
Post-Separation Plan | Other Restructuring Costs      
Restructuring Cost And Reserve [Line Items]      
Total Restructuring Costs 11 $ 0  
Inception to Date 42    
Estimated Remaining Cost 5    
Estimated Total Cost $ 47