REVENUES (Tables)

6 Months Ended

Jun. 30, 2020

Revenue from Contract with Customer [Abstract]

Disaggregation of revenue

Recognition and Measurement of Revenues

	Liquids Pipelines	Gas Transmission and Midstream	Gas Distribution and Storage	Renewable Power Generation	Energy Services	Consolidated
Three months ended June 30, 2020
(millions of Canadian dollars)
Revenues from products transferred at a point in time	—	—	15	—	—	15
Revenues from products and services transferred over time1	2,165	1,197	878	54	—	4,294
Total revenue from contracts with customers	2,165	1,197	893	54	—	4,309

	Liquids Pipelines	Gas Transmission and Midstream	Gas Distribution and Storage	Renewable Power Generation	Energy Services	Consolidated
Three months ended June 30, 2019
(millions of Canadian dollars)
Revenues from products transferred at a point in time	—	3	17	—	—	20
Revenues from products and services transferred over time1	2,255	1,274	960	43	—	4,532
Total revenue from contracts with customers	2,255	1,277	977	43	—	4,552

	Liquids Pipelines	Gas Transmission and Midstream	Gas Distribution and Storage	Renewable Power Generation	Energy Services	Consolidated
Six months ended June 30, 2020
(millions of Canadian dollars)
Revenues from products transferred at a point in time	—	—	30	—	—	30
Revenues from products and services transferred over time1	4,631	2,538	2,542	104	—	9,815
Total revenue from contracts with customers	4,631	2,538	2,572	104	—	9,845

	Liquids Pipelines	Gas Transmission and Midstream	Gas Distribution and Storage	Renewable Power Generation	Energy Services	Consolidated
Six months ended June 30, 2019
(millions of Canadian dollars)
Revenues from products transferred at a point in time	—	3	34	—	—	37
Revenues from products and services transferred over time1	4,496	2,580	3,102	93	—	10,271
Total revenue from contracts with customers	4,496	2,583	3,136	93	—	10,308

1  Revenues 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.

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 June 30, 2020
(millions of Canadian dollars)
Transportation revenues	2,141	1,126	151	—	—	—		3,418
Storage and other revenues	24	66	56	—	—	—		146
Gas gathering and processing revenues	—	5	—	—	—	—		5
Gas distribution revenue	—	—	686	—	—	—		686
Electricity and transmission revenues	—	—	—	54	—	—		54
Total revenue from contracts with customers	2,165	1,197	893	54	—	—		4,309
Commodity sales	—	—	—	—	2,936	—		2,936
Other revenues1,2	598	5	8	96	11	(7	)	711
Intersegment revenues	182	1	2	—	2	(187	)	—
Total revenues	2,945	1,203	903	150	2,949	(194	)	7,956

	Liquids Pipelines	Gas Transmission and Midstream	Gas Distribution and Storage		Renewable Power Generation	Energy Services		Eliminations and Other		Consolidated
Three months ended June 30, 2019
(millions of Canadian dollars)
Transportation revenues	2,230	1,113	171		—	—		—		3,514
Storage and other revenues	25	46	52		—	—		—		123
Gas gathering and processing revenues	—	115	—		—	—		—		115
Gas distribution revenues	—	—	754		—	—		—		754
Electricity and transmission revenues	—	—	—		43	—		—		43
Commodity sales	—	3	—		—	—		—		3
Total revenue from contracts with customers	2,255	1,277	977		43	—		—		4,552
Commodity sales	—	—	—		—	8,413		—		8,413
Other revenues1, 2	199	10	(3	)	94	(7	)	5		298
Intersegment revenues	115	1	3		—	12		(131	)	—
Total revenues	2,569	1,288	977		137	8,418		(126	)	13,263

	Liquids Pipelines		Gas Transmission and Midstream	Gas Distribution and Storage	Renewable Power Generation	Energy Services	Eliminations and Other		Consolidated
Six months ended June 30, 2020
(millions of Canadian dollars)
Transportation revenues	4,581		2,381	366	—	—	—		7,328
Storage and other revenues	50		145	103	—	—	—		298
Gas gathering and processing revenues	—		12	—	—	—	—		12
Gas distribution revenue	—		—	2,103	—	—	—		2,103
Electricity and transmission revenues	—		—	—	104	—	—		104
Total revenue from contracts with customers	4,631		2,538	2,572	104	—	—		9,845
Commodity sales	—		—	—	—	10,325	—		10,325
Other revenues1,2	(419	)	21	7	199	4	(13	)	(201	)
Intersegment revenues	267		1	6	—	18	(292	)	—
Total revenues	4,479		2,560	2,585	303	10,347	(305	)	19,969

	Liquids Pipelines	Gas Transmission and Midstream	Gas Distribution and Storage	Renewable Power Generation	Energy Services		Eliminations and Other		Consolidated
Six months ended June 30, 2019
(millions of Canadian dollars)
Transportation revenues	4,444	2,250	420	—	—		—		7,114
Storage and other revenues	52	99	106	—	—		—		257
Gas gathering and processing revenues	—	231	—	—	—		—		231
Gas distribution revenues	—	—	2,610	—	—		—		2,610
Electricity and transmission revenues	—	—	—	93	—		—		93
Commodity sales	—	3	—	—	—		—		3
Total revenue from contracts with customers	4,496	2,583	3,136	93	—		—		10,308
Commodity sales	—	—	—	—	15,045		—		15,045
Other revenues1, 2	539	20	26	196	(1	)	(14	)	766
Intersegment revenues	192	3	6	—	47		(248	)	—
Total revenues	5,227	2,606	3,168	289	15,091		(262	)	26,119

1 Includes mark-to-market gains/(losses) from our hedging program for the three months ended June 30, 2020 and 2019 of $531 million gain and $126 million gain, respectively and for the six months ended June 30, 2020 and 2019 of $575 million loss and $384 million gain, respectively.

2 Includes revenues from lease contracts for the three months ended June 30, 2020 and 2019 of $157 million and $151 million, respectively and for the six months ended June 30, 2020 and 2019 of $315 million and $315 million, respectively.

Contract with customer, asset and liability

Contract Balances

	Receivables	Contract Assets	Contract Liabilities
(millions of Canadian dollars)
Balance as at December 31, 2019	2,099	216	1,424
Balance as at June 30, 2020	1,642	228	1,540