XML 47 R34.htm IDEA: XBRL DOCUMENT v3.25.2
Short-Term Debt (Details) - USD ($)
$ in Millions
3 Months Ended 12 Months Ended
Jun. 30, 2025
Dec. 31, 2024
Short-term Debt [Line Items]    
Amount outstanding at period end $ 820 $ 695
Commercial Paper    
Short-term Debt [Line Items]    
Borrowing limit 4,750 3,550
Amount outstanding at period end 820 695
Average amount outstanding 290 508
Maximum amount outstanding $ 820 $ 1,314
Weighted average interest rate, computed on a daily basis 4.65% 5.47%
Weighted average interest rate at period end 4.59% 4.64%
Letter of Credit    
Short-term Debt [Line Items]    
Amount outstanding at period end $ 42 $ 42