CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 1,279	$ 953
Reconciliation of net income to net cash provided by operating activities:
Income from discontinued operations, net of tax	(281)	(156)
Depreciation and amortization	696	675
(Gains)/losses on asset sales, net	(64)	2
Deferred income tax expense	65	34
(Gain)/loss on foreign currency revaluation	19	(12)
Settlement of terminated interest rate hedging instruments (Note 8)	7	57
Equity earnings in unconsolidated entities	(292)	(298)
Distributions on earnings from unconsolidated entities	369	383
Gain on investments in unconsolidated entities, net (Note 12)	(31)	0
Other	48	53
Changes in assets and liabilities, net of acquisitions	18	(99)
Cash provided by operating activities - continuing operations	1,833	1,592
Cash provided by operating activities - discontinued operations	314	166
Net cash provided by operating activities	2,147	1,758
CASH FLOWS FROM INVESTING ACTIVITIES
Cash paid in connection with acquisitions, net of cash acquired	(865)	(144)
Investments in unconsolidated entities	0	(4)
Additions to property, equipment and other	(495)	(342)
Cash paid for purchases of linefill	(17)	(21)
Proceeds from sales of assets	27	6
Other investing activities	0	3
Cash used in investing activities - continuing operations	(1,350)	(502)
Cash used in investing activities - discontinued operations	(151)	(109)
Net cash used in investing activities	(1,501)	(611)
CASH FLOWS FROM FINANCING ACTIVITIES
Net repayments under PAA commercial paper program (Note 6)	(393)	(433)
Proceeds from the issuance of PAA senior notes (Note 6)	2,246	650
Repurchase of common units by a subsidiary	(8)	0
Repurchase of Series A preferred units by a subsidiary (Note 7)	(333)	0
Distributions paid to Class A shareholders (Note 7)	(225)	(188)
Distributions paid to noncontrolling interests (Note 7)	(1,087)	(980)
Contributions from noncontrolling interests	34	40
Other financing activities	(61)	(45)
Net cash provided by/(used in) financing activities	173	(956)
Effect of translation adjustment - continuing operations	13	(7)
Effect of translation adjustment - discontinued operations	0	4
Net increase in cash and cash equivalents and restricted cash	832	188
Cash and cash equivalents and restricted cash, beginning of period	349	453
Cash and cash equivalents and restricted cash, end of period	1,181	641
Cash paid for:
Interest, net of amounts capitalized	297	239
Income taxes, net of amounts refunded	$ 80	$ 236