Earnings per Unit (Tables)

9 Months Ended

Sep. 30, 2020

Earnings Per Share [Abstract]

Basic and Diluted Earnings Per Unit

The following table summarizes the basic and diluted earnings per unit calculations (in millions, except per unit amounts):

	Three Months Ended September 30,				Nine Months Ended September 30,
	2020		2019		2020		2019
Allocation of net income among partner interests:
Net income allocated to Class A common unitholders	$	145	$	201	$	395	$	478
Net income allocated to Partnership exchangeable unitholders	78		150		215		376
Net income attributable to common unitholders	$	223	$	351	$	610	$	854
Denominator - basic and diluted partnership units:
Weighted average Class A common units	202		202		202		202
Weighted average Partnership exchangeable units	162		197		164		204
Earnings per unit - basic and diluted:
Class A common units (a)	$	0.72	$	1.00	$	1.96	$	2.37
Partnership exchangeable units (a)	$	0.48	$	0.76	$	1.31	$	1.85

(a) Earnings per unit may not recalculate exactly as it is calculated based on unrounded numbers.