v3.26.1
Restructuring Costs - Schedule of Workforce Reduction Incurred and Cash Payments Made (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2026
Restructuring Reserve [Roll Forward]    
Expenses Incurred   $ 175
Severance costs    
Restructuring Reserve [Roll Forward]    
Expenses Incurred   57
2025-2026 Workforce Transformation | Severance costs    
Restructuring Reserve [Roll Forward]    
Restructuring reserve, beginning balance   374
Expenses Incurred $ 0 141
Cash Payments   (346)
Restructuring reserve, ending balance $ 169 $ 169