CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
REVENUES
Total revenues	$ 13,694	$ 8,383
COSTS AND EXPENSES
Purchases and related costs	12,785	7,392
Field operating costs	346	219
General and administrative expenses	83	68
Depreciation and amortization	231	178
(Gains)/losses on asset sales and asset impairments, net	(42)	2
Total costs and expenses	13,403	7,859
OPERATING INCOME	291	524
OTHER INCOME/(EXPENSE)
Equity earnings in unconsolidated entities	97	88
Interest expense (net of capitalized interest of $1 and $5, respectively)	(107)	(107)
Other expense, net	(37)	(60)
INCOME BEFORE TAX	244	445
Current income tax expense	(19)	(1)
Deferred income tax expense	(16)	(52)
NET INCOME	209	392
Net income attributable to noncontrolling interests	(187)	(322)
NET INCOME ATTRIBUTABLE TO PAGP	$ 22	$ 70
Class A Shares
OTHER INCOME/(EXPENSE)
BASIC WEIGHTED AVERAGE CLASS A SHARES OUTSTANDING (shares)	194	194
DILUTED WEIGHTED AVERAGE CLASS A SHARES OUTSTANDING (shares)	194	194
BASIC NET INCOME PER CLASS A SHARE (usd per share)	$ 0.11	$ 0.36
DILUTED NET INCOME PER CLASS A SHARE (usd per share)	$ 0.11	$ 0.36
Product sales revenues
REVENUES
Total revenues	$ 13,381	$ 8,083
Services revenues
REVENUES
Total revenues	$ 313	$ 300