CASH DISTRIBUTIONS (Tables)

12 Months Ended

Dec. 31, 2020

Partners' Capital Account, Distributions [Abstract]

Schedule of allocations of available cash from operating surplus between common unitholders and General Partner

		Marginal Percentage Interest in Distribution
	Total Quarterly Distribution Per Unit Target Amount	Common Unitholders		General Partner
Minimum Quarterly Distribution	$0.45	98	%	2	%
First Target Distribution	above $0.45 up to $0.81	98	%	2	%
Second Target Distribution	above $0.81 up to $0.88	85	%	15	%
Thereafter	above $0.88	75	%	25	%

Schedule of distributions

The following table provides information about our distributions (in millions except per unit distributions amounts).

				Limited Partners				General Partner
Declaration Date	Payment Date	Per Unit Distribution		Common Units		Class B Units(b)		2		%	IDRs(a)		Total Cash Distribution
1/23/2018	2/13/2018	$	1.00	$	71	$	15	$	2		$	3	$	91
5/1/2018	5/15/2018	$	0.65	$	46	$	—	$	1		$	—	$	47
7/26/2018	8/15/2018	$	0.65	$	46	$	—	$	1		$	—	$	47
10/23/2018	11/14/2018	$	0.65	$	46	$	—	$	1		$	—	$	47
1/22/2019	2/11/2019	$	0.65	$	46	$	13	$	1		$	—	$	60
4/23/2019	5/13/2019	$	0.65	$	46	$	—	$	1		$	—	$	47
7/23/2019	8/14/2019	$	0.65	$	46	$	—	$	1		$	—	$	47
10/22/2019	11/14/2019	$	0.65	$	46	$	—	$	1		$	—	$	47
1/21/2020	2/14/2020	$	0.65	$	46	$	8	$	1		$	—	$	55
4/21/2020	5/12/2020	$	0.65	$	46	$	—	$	1		$	—	$	47
7/23/2020	8/14/2020	$	0.65	$	46	$	—	$	1		$	—	$	47
10/21/2020	11/13/2020	$	0.65	$	46	$	—	$	1		$	—	$	47
1/19/2021(c)	2/12/2021(c)	$	0.65	$	46	$	—	$	1		$	—	$	47

(a)The distributions paid during the year ended December 31, 2020 and 2019 included no incentive distributions to the General Partner (2018 - $3 million).

(b)The Class B units issued by us on April 1, 2015 represent limited partner interests in us and entitle TC Energy to an annual distribution which is an amount based on 30 percent of GTN’s annual distributions after exceeding certain annual thresholds and adjustments (refer to Note 10).

(c)On February 12, 2021, we paid a cash distribution of $0.65 per unit on our outstanding common units to unitholders of record at the close of business on January 29, 2021 (refer to Note 21).