CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 776	$ 448
Reconciliation of net income to net cash provided by operating activities:
Depreciation and amortization	517	475
Gains on asset sales and asset impairments, net	(150)	(46)
Deferred income tax expense	58	43
Gains on sales of linefill	(2)	(30)
Loss on foreign currency revaluation	1	10
Settlement of terminated interest rate hedging instruments (Note 7)	80
Change in fair value of Preferred Distribution Rate Reset Option (Note 7)	(58)	147
Equity earnings in unconsolidated entities	(178)	(201)
Distributions on earnings from unconsolidated entities	219	224
Other	37	27
Changes in assets and liabilities, net of acquisitions	329	32
Net cash provided by operating activities	1,629	1,129
CASH FLOWS FROM INVESTING ACTIVITIES
Investments in unconsolidated entities	(19)	(4)
Additions to property, equipment and other	(267)	(190)
Cash paid for purchases of linefill	(14)	(60)
Proceeds from sales of assets	284	57
Cash received from sales of linefill	9	61
Other investing activities	1	13
Net cash used in investing activities	(6)	(123)
CASH FLOWS FROM FINANCING ACTIVITIES
Net borrowings under PAA commercial paper program (Note 5)		115
Repayments of PAA senior notes (Note 5)	(400)	(750)
Repurchase of common units by a subsidiary		(74)
Distributions paid to Class A shareholders (Note 6)	(104)	(77)
Distributions paid to noncontrolling interests (Note 6)	(536)	(423)
Other financing activities	(59)	16
Net cash used in financing activities	(1,099)	(1,193)
Effect of translation adjustment	8	1
Net increase/(decrease) in cash and cash equivalents and restricted cash	532	(186)
Cash and cash equivalents and restricted cash, beginning of period	404	456
Cash and cash equivalents and restricted cash, end of period	936	270
Cash paid for:
Interest, net of amounts capitalized	188	201
Income taxes, net of amounts refunded	$ 8	$ 39