CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
CASH FLOWS FROM OPERATING ACTIVITIES
Net income/(loss)	$ 1,163	$ 600	$ (2,440)
Reconciliation of net income/(loss) to net cash provided by operating activities:
Depreciation and amortization	968	777	656
(Gains)/losses on asset sales and asset impairments, net (Note 6, Note 7)	269	592	719
Goodwill impairment loss (Note 8)	0	0	2,515
Equity-indexed compensation expense	41	24	16
Inventory valuation adjustments (Note 5)	0	0	233
Deferred income tax expense/(benefit)	162	62	(218)
(Gains)/losses on sales of linefill	(35)	0	1
(Gain)/loss on foreign currency revaluation	41	(7)	(16)
Settlement of terminated interest rate hedging instruments	42		(100)
Embedded Derivative, Gain (Loss) on Embedded Derivative, Net	189	(14)	(20)
Equity earnings in unconsolidated entities	(403)	(274)	(355)
Distributions on earnings from unconsolidated entities	488	431	472
(Gains) losses on/impairment of investments in unconsolidated entities, net (Note 7, Note 9)	(346)	(2)	182
Other	16	29	23
Changes in assets and liabilities, net of acquisitions:
Trade accounts receivable and other	649	(2,179)	1,432
Inventory	(10)	(18)	(304)
Trade accounts payable and other	(830)	1,970	(1,286)
Net cash provided by operating activities	2,404	1,991	1,510
CASH FLOWS FROM INVESTING ACTIVITIES
Cash paid in connection with acquisitions, net of cash acquired (Note 7)	(149)	(32)	(310)
Investments in unconsolidated entities (Note 9)	(14)	(94)	(461)
Additions to property, equipment and other	(455)	(336)	(738)
Proceeds from sales of assets (Note 7)	60	881	429
Cash received from sales of linefill	72	3	3
Cash paid for purchases of linefill	(84)	(37)	(14)
Other investing activities	44	1	(2)
Net cash provided by/(used in) investing activities	(526)	386	(1,093)
CASH FLOWS FROM FINANCING ACTIVITIES
Net borrowings/(repayments) under PAA commercial paper program (Note 11)		(545)	456
Net borrowings/(repayments) under PAA senior secured hedged inventory facility (Note 11)		(167)	(160)
Repayment of PAA GO Zone term loans (Note 11)		(200)
Proceeds from the issuance of PAA senior notes (Note 11)			748
Repayments of PAA senior notes (Note 11)	(750)		(617)
Repurchase of common units by a subsidiary (Note 12)	(74)	(178)	(50)
Distributions paid to Class A shareholders (Note 12)	(162)	(140)	(166)
Distributions paid to noncontrolling interests (Note 12)	(918)	(589)	(697)
Other financing activities	(49)	(161)	44
Net cash used in financing activities	(1,927)	(1,979)	(430)
Effect of translation adjustment	(3)	(5)	(8)
Net increase/(decrease) in cash and cash equivalents and restricted cash	(52)	393	(21)
Cash and cash equivalents and restricted cash, beginning of period	456	63	84
Cash and cash equivalents and restricted cash, end of period	404	456	63
Cash paid for:
Interest, net of amounts capitalized	393	401	428
Income taxes, net of amounts refunded	112	76	111
Noncontrolling Interests
CASH FLOWS FROM FINANCING ACTIVITIES
Contributions from noncontrolling interests (Note 12)	$ 26	$ 1	$ 12