v3.25.4
ACCOUNTS PAYABLE AND OTHER CURRENT LIABILITIES (Details) - CAD ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Related Party Transaction [Line Items]    
Regulatory liabilities (Note 11) $ 230 $ 122
Lease obligations (Note 21) 14 14
Nonrelated Party    
Related Party Transaction [Line Items]    
Accrued liabilities 944 794
Accounts payable 371 348
Unearned revenue 313 336
Regulatory liabilities (Note 11) 230 122
Accrued interest 203 180
Lease obligations (Note 21) 14 14
Environmental liabilities 7 11
Derivative liabilities (Note 16) 4 4
Accounts payable and other current liabilities $ 2,086 $ 1,809