Net Income Per Class A Share (Tables)

6 Months Ended

Jun. 30, 2020

Earnings Per Share [Abstract]

Calculation of basic and diluted net income/(loss) per Class A share

The following table sets forth the computation of basic and diluted net income/(loss) per Class A share (in millions, except per share data):

	Three Months Ended June 30,				Six Months Ended June 30,
	2020		2019		2020		2019
Basic Net Income/(Loss) per Class A Share
Net income/(loss) attributable to PAGP	$	16	$	66	$	(565)	$	213
Basic weighted average Class A shares outstanding	184		162		183		161
Basic net income/(loss) per Class A share	$	0.09	$	0.41	$	(3.08)	$	1.32
Diluted Net Income/(Loss) per Class A Share
Net income/(loss) attributable to PAGP	$	16	$	66	$	(565)	$	213
Incremental net income attributable to PAGP resulting from assumed exchange of AAP Management Units	—		—		—		—
Net income/(loss) attributable to PAGP including incremental net income from assumed exchange of AAP Management Units	$	16	$	66	$	(565)	$	213
Basic weighted average Class A shares outstanding	184		162		183		161
Dilutive shares resulting from assumed exchange of AAP Management Units	—		2		—		—
Diluted weighted average Class A shares outstanding	184		164		183		161
Diluted net income/(loss) per Class A share	$	0.09	$	0.40	$	(3.08)	$	1.32