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REVENUE (Tables)
 6 Months Ended
Jun. 30, 2022
Revenue from Contract with Customer [Abstract]  
Schedule of Disaggregation of Revenue
Major Products and Services
Liquids PipelinesGas Transmission and MidstreamGas Distribution and StorageRenewable Power Generation Energy ServicesEliminations and OtherConsolidated
Three months ended
June 30, 2022
(millions of Canadian dollars)       
Transportation revenue2,565 1,200 157 — — — 3,922 
Storage and other revenue64 83 99 — — — 246 
Gas gathering and processing revenue— 6 — — — — 6 
Gas distribution revenue— — 919 — — — 919 
Electricity and transmission revenue— — — 81 — — 81 
Total revenue from contracts with customers
2,629 1,289 1,175 81 — — 5,174 
Commodity sales— — — — 8,108 — 8,108 
Other revenue1,2
(145)11 (37)74 30 — (67)
Intersegment revenue154 1 — — — (155)— 
Total revenue2,638 1,301 1,138 155 8,138 (155)13,215 

Liquids PipelinesGas Transmission and MidstreamGas Distribution and StorageRenewable Power Generation Energy ServicesEliminations and OtherConsolidated
Three months ended
June 30, 2021
(millions of Canadian dollars)       
Transportation revenue2,157 1,046 150 — — — 3,353 
Storage and other revenue37 63 51 — — — 151 
Gas gathering and processing revenue— 10 — — — — 10 
Gas distribution revenue— — 725 — — — 725 
Electricity and transmission revenue— — — 55 — — 55 
Total revenue from contracts with customers
2,194 1,119 926 55 — — 4,294 
Commodity sales— — — — 6,334 — 6,334 
Other revenue1,2
215 9 12 77 1 6 320 
Intersegment revenue138 — 15 — 10 (163)— 
Total revenue2,547 1,128 953 132 6,345 (157)10,948 
Liquids PipelinesGas Transmission and MidstreamGas Distribution and StorageRenewable Power Generation Energy ServicesEliminations and OtherConsolidated
Six months ended
June 30, 2022
(millions of Canadian dollars)       
Transportation revenue5,250 2,394 408 — — — 8,052 
Storage and other revenue115 167 146 — — — 428 
Gas gathering and processing revenue— 21 — — — — 21 
Gas distribution revenue— — 3,017 — — — 3,017 
Electricity and transmission revenue— — — 143 — — 143 
Total revenue from contracts with customers
5,365 2,582 3,571 143 — — 11,661 
Commodity sales— — — — 16,433 — 16,433 
Other revenue1,2
33 18 (33)168 32 — 218 
Intersegment revenue295 1 11 — 10 (317)— 
Total revenue5,693 2,601 3,549 311 16,475 (317)28,312 

Liquids PipelinesGas Transmission and MidstreamGas Distribution and StorageRenewable Power Generation Energy ServicesEliminations and OtherConsolidated
Six months ended
June 30, 2021
(millions of Canadian dollars)       
Transportation revenue4,486 2,167 366 — — — 7,019 
Storage and other revenue63 137 109 — — — 309 
Gas gathering and processing revenue— 17 — — — — 17 
Gas distribution revenue— — 2,259 — — — 2,259 
Electricity and transmission revenue— — — 81 — — 81 
Total revenue from contracts with customers
4,549 2,321 2,734 81 — — 9,685 
Commodity sales— — — — 12,763 — 12,763 
Other revenue1,2
427 21 18 168 1 2 637 
Intersegment revenue270 — 24 — 14 (308)— 
Total revenue5,246 2,342 2,776 249 12,778 (306)23,085 
1 Includes mark-to-market gains/(losses) from our hedging program for the three months ended June 30, 2022 and 2021 of $198 million loss and $131 million gain, respectively. For the six months ended June 30, 2022 and 2021, Other revenue includes a $104 million mark-to-market loss and a $261 million mark-to-market gain, respectively.
2 Includes revenues from lease contracts for the three months ended June 30, 2022 and 2021 of $143 million and $143 million, respectively, and for the six months ended June 30, 2022 and 2021 of $307 million and $302 million, respectively.
Recognition and Measurement of Revenues
Liquids PipelinesGas Transmission and MidstreamGas Distribution and StorageRenewable Power Generation Consolidated
Three months ended
June 30, 2022
(millions of Canadian dollars)    
Revenues from products transferred at a point in time
— — 20 — 20 
Revenues from products and services transferred over time1
2,629 1,289 1,155 81 5,154 
Total revenue from contracts with customers
2,629 1,289 1,175 81 5,174 

Liquids PipelinesGas Transmission and MidstreamGas Distribution and StorageRenewable Power Generation Consolidated
Three months ended
June 30, 2021
(millions of Canadian dollars)
Revenues from products transferred at a point in time
— — 17 — 17 
Revenues from products and services transferred over time1
2,194 1,119 909 55 4,277 
Total revenue from contracts with customers
2,194 1,119 926 55 4,294 

Liquids PipelinesGas Transmission and MidstreamGas Distribution and StorageRenewable Power Generation Consolidated
Six months ended
June 30, 2022
(millions of Canadian dollars)    
Revenues from products transferred at a point in time
— — 36 — 36 
Revenues from products and services transferred over time1
5,365 2,582 3,535 143 11,625 
Total revenue from contracts with customers
5,365 2,582 3,571 143 11,661 

Liquids PipelinesGas Transmission and MidstreamGas Distribution and StorageRenewable Power Generation Consolidated
Six months ended
June 30, 2021
(millions of Canadian dollars)
Revenues from products transferred at a point in time
— — 34 — 34 
Revenues from products and services transferred over time1
4,549 2,321 2,700 81 9,651 
Total revenue from contracts with customers
4,549 2,321 2,734 81 9,685 
1     Revenue 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 with Customer, Asset and Liability
Contract Balances
Contract ReceivablesContract AssetsContract Liabilities
(millions of Canadian dollars)
Balance as at June 30, 20222,256 223 2,043 
Balance as at December 31, 20212,369 213 1,898