v3.26.1
Indebtedness: (Short-Term Borrowings) (Details) - USD ($)
$ in Millions
Jun. 30, 2026
Dec. 31, 2025
Short-term Debt [Line Items]    
Amount outstanding $ 3,341 $ 168
Commercial paper    
Short-term Debt [Line Items]    
Amount outstanding $ 2,652 $ 0
Average rate 3.70% 0.00%
Bank loans    
Short-term Debt [Line Items]    
Amount outstanding $ 689 $ 168
Average rate 5.40% 10.30%