Partners' Capital (Tables)

9 Months Ended

Sep. 30, 2020

Partners' Capital [Abstract]

Schedule of Common Units

The change in our outstanding common units for the nine months ended September 30, 2020 is as follows: 

	Number of Units
Number of common units at December 31, 2019	82,985,941
Phantom vested units exercised	103,122
Number of common units at September 30, 2020	83,089,063

Schedule of Net Income Allocation By Partners

The calculation of net income allocated to the partners is as follows (in millions):

	Three Months Ended September 30,				Nine Months Ended September 30,
	2020		2019		2020		2019
Attributable to Common Units
Distributions	$	69	$	68	$	206	$	205
Distributions in excess of (less than) net income	12		(21)		(135)		(33)
Limited partners' interest in net income	$	81	$	47	$	71	$	172

Distributions Made to Limited Partner, by Distribution

Cash distributions paid or declared during 2020 were as follows:

	Limited Partners
Payment Date	Per Unit Distribution		Total Cash Distribution		Distribution to IDR Holders
	(in millions, except per unit amounts)
November 19, 2020	$	0.8255	$	69	$	18
August 19, 2020	$	0.8255	$	69	$	18
May 19, 2020	$	0.8255	$	69	$	18
February 19, 2020	$	0.8255	$	69	$	18