Net Income Per Limited Partner Unit (Tables)

9 Months Ended

Sep. 30, 2019

Partners' Capital Notes [Abstract]

Schedule of Allocation of Net Income Attributable to the Partnership to Arrive at Net Income Per Limited Partner Unit

The following tables show the allocation of net income attributable to the Partnership to arrive at net income per limited partner unit:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2019		2018		2019		2018
Net income	$	146	$	155	$	402	$	335
Less:
Net income attributable to noncontrolling interests	5		6		14		11
Net income attributable to the Partnership	141		149		388		324
Less:
General partner’s distribution declared (1)	36		36		93		96
Limited partners’ distribution declared on common units	104		85		297		244
Income in excess of / (less than) distributions	$	1	$	28	$	(2)	$	(16)

⁽¹⁾ For the three and nine months ended September 30, 2019, this includes the impact of waived distributions to the holders of IDR’s. See Note 3—Related Party Transactions for additional information.

Schedule of Basic and Diluted Net Income Per Unit

	Three Months Ended September 30, 2019
	General Partner		Limited Partners’ Common Units		Total
	(in millions of dollars, except per unit data)
Distributions declared (1)	$	36	$	104	$	140
Income in excess of distributions	—		1		1
Net income attributable to the Partnership	$	36	$	105	$	141
Weighted average units outstanding:
Basic and diluted			233.3
Net income per limited partner unit:
Basic and diluted			$	0.45

⁽¹⁾ This includes the impact of waived distributions to the holders of IDR’s. See Note 3—Related Party Transactions for additional  information.

	Nine Months Ended September 30, 2019
	General Partner		Limited Partners’ Common Units		Total
	(in millions of dollars, except per unit data)
Distributions declared (1)	$	93	$	297	$	390
Distributions in excess of income	—		(2)		(2)
Net income attributable to the Partnership	$	93	$	295	$	388
Weighted average units outstanding:
Basic and diluted			227.9
Net income per limited partner unit:
Basic and diluted			$	1.30

⁽¹⁾ This includes the impact of waived distributions to the holders of IDR’s. See Note 3—Related Party Transactions for additional  information.

	Three Months Ended September 30, 2018
	General Partner		Limited Partners’ Common Units		Total
	(in millions of dollars, except per unit data)
Distributions declared	$	36	$	85	$	121
Income in excess of distributions	1		27		28
Net income attributable to the Partnership	$	37	$	112	$	149
Weighted average units outstanding:
Basic and diluted			223.8
Net income per limited partner unit:
Basic and diluted			$	0.50

	Nine Months Ended September 30, 2018
	General Partner		Limited Partners’ Common Units		Total
	(in millions of dollars, except per unit data)
Distributions declared	$	96	$	244	$	340
Distributions in excess of income	—		(16)		(16)
Net income attributable to the Partnership	$	96	$	228	$	324
Weighted average units outstanding:
Basic and diluted			219.1
Net income per limited partner unit:
Basic and diluted			$	1.04