CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
REVENUES
Supply and Logistics segment revenues	$ 6,395	$ 3,819
Transportation segment revenues	138	154
Facilities segment revenues	134	138
Total revenues	6,667	4,111
COSTS AND EXPENSES
Purchases and related costs	5,593	3,348
Field operating costs	288	300
General and administrative expenses	75	68
Depreciation and amortization	122	114
Total costs and expenses	6,078	3,830
OPERATING INCOME	589	281
OTHER INCOME/(EXPENSE)
Equity earnings in unconsolidated entities	53	47
Interest expense (net of capitalized interest of $6 and $13, respectively)	(129)	(116)
Other income/(expense), net	(5)	5
INCOME BEFORE TAX	508	217
Current income tax expense	(10)	(31)
Deferred income tax expense	(96)	(9)
NET INCOME	402	177
Net income attributable to noncontrolling interests	(361)	(141)
NET INCOME ATTRIBUTABLE TO PAGP	$ 41	$ 36
Class A Shares
BASIC AND DILUTED NET INCOME PER CLASS A SHARE
BASIC NET INCOME PER CLASS A SHARE (usd per share)	$ 0.34	$ 0.39
DILUTED NET INCOME PER CLASS A SHARE (usd per share)	$ 0.34	$ 0.37
BASIC WEIGHTED AVERAGE CLASS A SHARES OUTSTANDING (shares)	120	95
DILUTED WEIGHTED AVERAGE CLASS A SHARES OUTSTANDING (shares)	120	245