v3.26.3
Restructuring Costs - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Jun. 30, 2026
Restructuring Cost and Reserve [Line Items]          
Expected reduction in workforce, percentage     700.00%    
Impairment and restructuring costs $ 32 $ 2 $ 68 $ 2  
Restructuring and Related Cost, Accrued Cost 11   11   $ 23
Restructuring charges 20        
Payments for Restructuring 32        
Employee Severance          
Restructuring Cost and Reserve [Line Items]          
Impairment and restructuring costs $ 20   $ 43