REVENUES (Tables)

9 Months Ended

Sep. 30, 2020

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 September 30, 2020
(millions of Canadian dollars)
Transportation revenues	2,234	1,077	128	—	—	—	3,439
Storage and other revenues	22	64	51	—	—	—	137
Gas gathering and processing revenues	—	7	—	—	—	—	7
Gas distribution revenue	—	—	448	—	—	—	448
Electricity and transmission revenues	—	—	—	46	—	—	46
Total revenue from contracts with customers	2,256	1,148	627	46	—	—	4,077
Commodity sales	—	—	—	—	4,595	—	4,595
Other revenues1,2	360	14	(8)	80	(3)	(5)	438
Intersegment revenues	157	—	2	—	4	(163)	—
Total revenues	2,773	1,162	621	126	4,596	(168)	9,110

	Liquids Pipelines	Gas Transmission and Midstream	Gas Distribution and Storage	Renewable Power Generation	Energy Services	Eliminations and Other	Consolidated
Three months ended September 30, 2019
(millions of Canadian dollars)
Transportation revenues	2,305	1,073	135	—	—	—	3,513
Storage and other revenues	31	69	48	—	—	—	148
Gas gathering and processing revenues	—	98	—	—	—	—	98
Gas distribution revenues	—	—	470	—	—	—	470
Electricity and transmission revenues	—	—	—	46	—	—	46
Total revenue from contracts with customers	2,336	1,240	653	46	—	—	4,275
Commodity sales	—	—	—	—	7,396	—	7,396
Other revenues1,2	(156)	23	(21)	82	(1)	—	(73)
Intersegment revenues	88	1	3	—	8	(100)	—
Total revenues	2,268	1,264	635	128	7,403	(100)	11,598

	Liquids Pipelines	Gas Transmission and Midstream	Gas Distribution and Storage	Renewable Power Generation	Energy Services	Eliminations and Other	Consolidated
Nine months ended September 30, 2020
(millions of Canadian dollars)
Transportation revenues	6,815	3,458	494	—	—	—	10,767
Storage and other revenues	72	209	154	—	—	—	435
Gas gathering and processing revenues	—	19	—	—	—	—	19
Gas distribution revenue	—	—	2,551	—	—	—	2,551
Electricity and transmission revenues	—	—	—	150	—	—	150
Total revenue from contracts with customers	6,887	3,686	3,199	150	—	—	13,922
Commodity sales	—	—	—	—	14,920	—	14,920
Other revenues1,2	(59)	35	(1)	279	1	(18)	237
Intersegment revenues	424	1	8	—	22	(455)	—
Total revenues	7,252	3,722	3,206	429	14,943	(473)	29,079

	Liquids Pipelines	Gas Transmission and Midstream	Gas Distribution and Storage	Renewable Power Generation	Energy Services	Eliminations and Other	Consolidated
Nine months ended September 30, 2019
(millions of Canadian dollars)
Transportation revenues	6,749	3,323	555	—	—	—	10,627
Storage and other revenues	83	168	154	—	—	—	405
Gas gathering and processing revenues	—	329	—	—	—	—	329
Gas distribution revenues	—	—	3,080	—	—	—	3,080
Electricity and transmission revenues	—	—	—	139	—	—	139
Commodity sales	—	3	—	—	—	—	3
Total revenue from contracts with customers	6,832	3,823	3,789	139	—	—	14,583
Commodity sales	—	—	—	—	22,441	—	22,441
Other revenues1,2	383	43	5	278	(2)	(14)	693
Intersegment revenues	280	4	9	—	55	(348)	—
Total revenues	7,495	3,870	3,803	417	22,494	(362)	37,717

1 Includes mark-to-market gains/(losses) from our hedging program for the three months ended September 30, 2020 and 2019 of $276 million gain and $236 million loss, respectively, and for the nine months ended September 30, 2020 and 2019 of $298 million loss and $148 million gain, respectively.

2 Includes revenues from lease contracts for the three months ended September 30, 2020 and 2019 of $144 million and $143 million, respectively, and for the nine months ended September 30, 2020 and 2019 of $459 million and $458 million, respectively.

Recognition and Measurement of Revenues

	Liquids Pipelines	Gas Transmission and Midstream	Gas Distribution and Storage	Renewable Power Generation	Energy Services	Consolidated
Three months ended September 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	2,256	1,148	612	46	—	4,062
Total revenue from contracts with customers	2,256	1,148	627	46	—	4,077

	Liquids Pipelines	Gas Transmission and Midstream	Gas Distribution and Storage	Renewable Power Generation	Energy Services	Consolidated
Three months ended September 30, 2019
(millions of Canadian dollars)
Revenues from products transferred at a point in time	—	—	17	—	—	17
Revenues from products and services transferred over time1	2,336	1,240	636	46	—	4,258
Total revenue from contracts with customers	2,336	1,240	653	46	—	4,275

	Liquids Pipelines	Gas Transmission and Midstream	Gas Distribution and Storage	Renewable Power Generation	Energy Services	Consolidated
Nine months ended September 30, 2020
(millions of Canadian dollars)
Revenues from products transferred at a point in time	—	—	45	—	—	45
Revenues from products and services transferred over time1	6,887	3,686	3,154	150	—	13,877
Total revenue from contracts with customers	6,887	3,686	3,199	150	—	13,922

	Liquids Pipelines	Gas Transmission and Midstream	Gas Distribution and Storage	Renewable Power Generation	Energy Services	Consolidated
Nine months ended September 30, 2019
(millions of Canadian dollars)
Revenues from products transferred at a point in time	—	3	51	—	—	54
Revenues from products and services transferred over time1	6,832	3,820	3,738	139	—	14,529
Total revenue from contracts with customers	6,832	3,823	3,789	139	—	14,583

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.

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 September 30, 2020	1,499	236	1,691