REVENUE (Tables)

3 Months Ended

Mar. 31, 2022

Revenue from Contract with Customer [Abstract]

Disaggregation of revenue

Major Products and Services

	Liquids Pipelines	Gas Transmission and Midstream	Gas Distribution and Storage	Renewable Power Generation	Energy Services	Eliminations and Other	Consolidated
Three months ended March 31, 2022
(millions of Canadian dollars)
Transportation revenue	2,685	1,194	251	—	—	—	4,130
Storage and other revenue	51	84	47	—	—	—	182
Gas gathering and processing revenue	—	15	—	—	—	—	15
Gas distribution revenue	—	—	2,098	—	—	—	2,098
Electricity and transmission revenue	—	—	—	62	—	—	62
Total revenue from contracts with customers	2,736	1,293	2,396	62	—	—	6,487
Commodity sales	—	—	—	—	8,325	—	8,325
Other revenue1,2	178	7	4	94	2	—	285
Intersegment revenue	141	—	11	—	10	(162)	—
Total revenue	3,055	1,300	2,411	156	8,337	(162)	15,097

	Liquids Pipelines	Gas Transmission and Midstream	Gas Distribution and Storage	Renewable Power Generation	Energy Services	Eliminations and Other	Consolidated
Three months ended March 31, 2021
(millions of Canadian dollars)
Transportation revenue	2,329	1,121	216	—	—	—	3,666
Storage and other revenue	26	74	58	—	—	—	158
Gas gathering and processing revenue	—	7	—	—	—	—	7
Gas distribution revenue	—	—	1,534	—	—	—	1,534
Electricity and transmission revenue	—	—	—	26	—	—	26
Total revenue from contracts with customers	2,355	1,202	1,808	26	—	—	5,391
Commodity sales	—	—	—	—	6,429	—	6,429
Other revenue1,2	212	12	6	91	—	(4)	317
Intersegment revenue	132	—	9	—	4	(145)	—
Total revenue	2,699	1,214	1,823	117	6,433	(149)	12,137

1 Includes mark-to-market gains from our hedging program for the three months ended March 31, 2022 and 2021 of $94 million and $130 million, respectively.

2 Includes revenues from lease contracts for the three months ended March 31, 2022 and 2021 of $164 million and $159 million, respectively.

Recognition and Measurement of Revenues

	Liquids Pipelines	Gas Transmission and Midstream	Gas Distribution and Storage	Renewable Power Generation	Consolidated
Three months ended March 31, 2022
(millions of Canadian dollars)
Revenue from products transferred at a point in time	—	—	16	—	16
Revenue from products and services transferred over time1	2,736	1,293	2,380	62	6,471
Total revenue from contracts with customers	2,736	1,293	2,396	62	6,487

	Liquids Pipelines	Gas Transmission and Midstream	Gas Distribution and Storage	Renewable Power Generation	Consolidated
Three months ended March 31, 2021
(millions of Canadian dollars)
Revenue from products transferred at a point in time	—	—	17	—	17
Revenue from products and services transferred over time1	2,355	1,202	1,791	26	5,374
Total revenue from contracts with customers	2,355	1,202	1,808	26	5,391

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.

Contract with customer, asset and liability

Contract Balances

	Contract Receivables	Contract Assets	Contract Liabilities
(millions of Canadian dollars)
Balance as at March 31, 2022	2,784	216	1,913
Balance as at December 31, 2021	2,369	213	1,898