v3.25.4
FINANCING CHARGES (Tables)
12 Months Ended
Dec. 31, 2025
Banking and Thrift, Interest [Abstract]  
Summary of Financing Charges
Year ended December 31 (millions of dollars)
20252024
Interest on long-term debt736 674 
Interest on regulatory accounts24 25 
Interest on short-term notes23 21 
Realized loss (gain) on cash flow hedges (interest-rate swap agreements) (Note 16)
4 (4)
Other19 18 
Less: Interest capitalized on construction and development in progress(110)(89)
           Interest earned on cash and cash equivalents(17)(24)
679 621