CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
REVENUES
Supply and Logistics segment revenues	$ 4,876	$ 5,247	$ 13,344	$ 17,225
Transportation segment revenues	159	172	482	538
Facilities segment revenues	135	132	405	393
Total revenues	5,170	5,551	14,231	18,156
COSTS AND EXPENSES
Purchases and related costs	4,429	4,701	12,000	15,591
Field operating costs	289	348	893	1,111
General and administrative expenses	71	60	212	219
Depreciation and amortization	33	108	352	320
Total costs and expenses	4,822	5,217	13,457	17,241
OPERATING INCOME	348	334	774	915
OTHER INCOME/(EXPENSE)
Equity earnings in unconsolidated entities	46	45	133	134
Interest expense (net of capitalized interest of $11, $14, $37 and $42, respectively)	(116)	(112)	(349)	(329)
Other income/(expense), net	17	(4)	46	(7)
INCOME BEFORE TAX	295	263	604	713
Current income tax expense	(4)	(11)	(45)	(72)
Deferred income tax expense	(12)	(24)	(21)	(48)
NET INCOME	279	228	538	593
Net income attributable to noncontrolling interests	(255)	(196)	(436)	(500)
NET INCOME ATTRIBUTABLE TO PAGP	$ 24	$ 32	$ 102	$ 93
Class A Shares
BASIC AND DILUTED NET INCOME PER CLASS A SHARE
BASIC NET INCOME PER CLASS A SHARE (usd per share)	$ 0.09	$ 0.14	$ 0.39	$ 0.42
DILUTED NET INCOME PER CLASS A SHARE (usd per share)	$ 0.09	$ 0.14	$ 0.38	$ 0.42
BASIC WEIGHTED AVERAGE CLASS A SHARES OUTSTANDING (shares)	268	225	263	220
DILUTED WEIGHTED AVERAGE CLASS A SHARES OUTSTANDING (shares)	268	225	629	220