Net Income Per Class A Share (Tables)

12 Months Ended

Dec. 31, 2016

Earnings Per Share [Abstract]

Calculation of basic and diluted net income per Class A share

The following table illustrates the calculation of basic and diluted net income per Class A share (in millions, except per share data):

	Year Ended December 31,
	2016		2015		2014
Basic Net Income per Class A Share
Net income attributable to PAGP	$	94	$	118	$	70
Basic weighted average Class A shares outstanding	99		83		54
Basic net income per Class A share	$	0.94	$	1.41	$	1.28
Diluted Net Income per Class A Share
Net income attributable to PAGP	$	94	$	118	$	70
Incremental net income attributable to PAGP resulting from assumed exchange of AAP units and AAP Management Units	—		—		235
Net income attributable to PAGP including incremental net income from assumed exchange of AAP units and AAP Management Units	$	94	$	118	$	305
Basic weighted average Class A shares outstanding	99		83		54
Dilutive shares resulting from assumed exchange of AAP units and AAP Management Units	—		—		190
Diluted weighted average Class A shares outstanding	99		83		244
Diluted net income per Class A share	$	0.94	$	1.41	$	1.25