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REVENUE (Tables)
 3 Months Ended
Mar. 31, 2025
Revenue from Contract with Customer [Abstract]  
Schedule of Major Products and Services
Major Products and Services
Three months ended March 31, 2025 Liquids
Pipelines 		 Gas Transmission  Gas
Distribution and Storage		Renewable Power Generation Eliminations
and Other 		 Consolidated
(millions of Canadian dollars)      
Transportation revenue3,105 1,480 90 — — 4,675 
Storage and other revenue68 173 157 — — 398 
Gas distribution revenue— — 3,670 — — 3,670 
Electricity revenue— — — 42 — 42 
Commodity sales
— 24 — — — 24 
Total revenue from contracts with customers
3,173 1,677 3,917 42 — 8,809 
Commodity sales8,934 37 — — 554 9,525 
Other revenue1,2
77 (7)21 77 — 168 
Intersegment revenue— 8 18 1 (27)— 
Total revenue12,184 1,715 3,956 120 527 18,502 

Three months ended March 31, 2024 Liquids
Pipelines 		 Gas Transmission  Gas
Distribution and Storage		Renewable Power Generation Eliminations
and Other 		 Consolidated
(millions of Canadian dollars)      
Transportation revenue3
3,024 1,341 93 — — 4,458 
Storage and other revenue62 138 99 — — 299 
Gas distribution revenue3
— — 1,924 — — 1,924 
Electricity revenue— — — 57 — 57 
Commodity sales
— 40 — — — 40 
Total revenue from contracts with customers
3,086 1,519 2,116 57 — 6,778 
Commodity sales3,733 41 — — 331 4,105 
Other revenue1,2
63 6 13 73 — 155 
Intersegment revenue— 6 2 1 (9)— 
Total revenue6,882 1,572 2,131 131 322 11,038 
1Includes realized and unrealized gains and losses from our hedging program which for the three months ended March 31, 2025 were a net $99 million gain (2024 - $22 million loss).
2Includes revenues from lease contracts for the three months ended March 31, 2025 and 2024 of $158 million and $140 million, respectively.
3These balances reflect a transfer from Transportation revenue to Gas distribution sales of $258 million for the three months ended March 31, 2024.
Recognition and Measurement of Revenues
Three months ended March 31, 2025Liquids PipelinesGas TransmissionGas Distribution and StorageRenewable Power Generation Consolidated
(millions of Canadian dollars)    
Revenues from products transferred at a point in time
— 24 36 — 60 
Revenues from products and services transferred over time1
3,173 1,653 3,881 42 8,749 
Total revenue from contracts with customers
3,173 1,677 3,917 42 8,809 
Three months ended March 31, 2024Liquids PipelinesGas TransmissionGas Distribution and StorageRenewable Power GenerationConsolidated
(millions of Canadian dollars)
Revenues from products transferred at a point in time— 40 29 — 69 
Revenues from products and services transferred over time1
3,086 1,479 2,087 57 6,709 
Total revenue from contracts with customers3,086 1,519 2,116 57 6,778 
1Revenue from crude oil and natural gas pipeline transportation, storage, natural gas gathering, compression and treating, natural gas distribution, natural gas storage services and electricity sales.
Schedule of Contract Balances
Contract ReceivablesContract AssetsContract Liabilities
(millions of Canadian dollars)
Balance as at March 31, 20254,207 323 2,728 
Balance as at December 31, 20243,764 330 2,828