CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 1,425	$ 1,163	$ 600
Reconciliation of net income to net cash provided by operating activities:
Depreciation and amortization	1,051	968	777
(Gains)/losses on asset sales and asset impairments, net (Note 6, Note 7)	(152)	269	592
Equity-indexed compensation expense	51	41	24
Deferred income tax expense	44	162	62
Gains on sales of linefill	(2)	(35)	0
(Gain)/loss on foreign currency revaluation	8	41	(7)
Settlement of terminated interest rate hedging instruments	80	42
Change in fair value of Preferred Distribution Rate Reset Option (Note 12)	(58)	189	(14)
Equity earnings in unconsolidated entities	(369)	(403)	(274)
Distributions on earnings from unconsolidated entities	458	488	431
(Gains)/losses on investments in unconsolidated entities, net (Note 7, Note 8)	(28)	(346)	(2)
Other	20	16	29
Changes in assets and liabilities, net of acquisitions:
Trade accounts receivable and other	213	649	(2,179)
Inventory	223	(10)	(18)
Trade accounts payable and other	(242)	(830)	1,970
Net cash provided by operating activities	2,722	2,404	1,991
CASH FLOWS FROM INVESTING ACTIVITIES
Cash paid in connection with acquisitions, net of cash acquired (Note 7)	(425)	(149)	(32)
Investments in unconsolidated entities (Note 8)	(33)	(14)	(94)
Additions to property, equipment and other	(559)	(455)	(336)
Cash paid for purchases of linefill	(23)	(84)	(37)
Proceeds from sales of assets (Note 7)	328	60	881
Cash received from sales of linefill	9	72	3
Other investing activities	1	44	1
Net cash provided by/(used in) investing activities	(702)	(526)	386
CASH FLOWS FROM FINANCING ACTIVITIES
Net borrowings/(repayments) under PAA commercial paper program (Note 10)	433		(545)
Net repayments under PAA senior secured hedged inventory facility (Note 10)			(167)
Repayment of PAA GO Zone term loans (Note 10)			(200)
Repayments of PAA senior notes (Note 10)	(1,100)	(750)
Repurchase of common units by a subsidiary (Note 11)		(74)	(178)
Distributions paid to Class A shareholders (Note 11)	(209)	(162)	(140)
Distributions paid to noncontrolling interests (Note 11)	(1,113)	(918)	(589)
Contributions from noncontrolling interests	106	26	1
Other financing activities	(88)	(49)	(161)
Net cash used in financing activities	(1,971)	(1,927)	(1,979)
Effect of translation adjustment		(3)	(5)
Net increase/(decrease) in cash and cash equivalents and restricted cash	49	(52)	393
Cash and cash equivalents and restricted cash, beginning of period	404	456	63
Cash and cash equivalents and restricted cash, end of period	453	404	456
Cash paid for:
Interest, net of amounts capitalized	377	393	401
Income taxes, net of amounts refunded	$ 69	$ 112	$ 76