v3.26.1
Debt - Description of long-term debt (Details) - USD ($)
$ in Millions
Jun. 30, 2026
Dec. 31, 2025
Long-term debt [Line Items]    
Outstanding borrowings $ 12,676 $ 12,712
Senior Revolving Credit Facility    
Long-term debt [Line Items]    
Maximum borrowing capacity 3,750  
Outstanding borrowings 0  
Outstanding letters of credit 0  
Unused availability $ 3,750