CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
REVENUES
Total revenues	$ 48,712	$ 57,342	$ 42,078
COSTS AND EXPENSES
Purchases and related costs	44,531	53,176	38,504
Field operating costs	1,425	1,315	1,065
General and administrative expenses	356	330	298
Depreciation and amortization	1,051	968	777
(Gains)/losses on asset sales and asset impairments, net (Note 6, Note 7)	(152)	269	592
Total costs and expenses	47,211	56,058	41,236
OPERATING INCOME	1,501	1,284	842
OTHER INCOME/(EXPENSE)
Equity earnings in unconsolidated entities	369	403	274
Gains/(losses) on investments in unconsolidated entities, net (Note 7, Note 8)	28	346	2
Interest expense (net of capitalized interest of $10, $5 and $18, respectively)	(386)	(405)	(425)
Other income/(expense), net	102	(219)	19
INCOME BEFORE TAX	1,614	1,409	712
Current income tax expense	(145)	(84)	(50)
Deferred income tax expense	(44)	(162)	(62)
NET INCOME	1,425	1,163	600
Net income attributable to noncontrolling interests	(1,227)	(995)	(540)
NET INCOME ATTRIBUTABLE TO PAGP	$ 198	$ 168	$ 60
Class A Shares
OTHER INCOME/(EXPENSE)
Basic weighted average Class A shares outstanding (in shares)	195	194	194
Diluted weighted average Class A shares outstanding (in shares)	195	194	194
Basic net income per Class A share (in dollars per share)	$ 1.01	$ 0.86	$ 0.31
Diluted net income per Class A share (in dollars per share)	$ 1.01	$ 0.86	$ 0.31
Product sales revenues
REVENUES
Total revenues	$ 46,974	$ 55,948	$ 40,883
Services revenues
REVENUES
Total revenues	$ 1,738	$ 1,394	$ 1,195