CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
CASH FLOWS FROM OPERATING ACTIVITIES
Net income/(loss)	$ (2,417)	$ 1,771
Reconciliation of net income/(loss) to net cash provided by operating activities:
Depreciation and amortization	495	441
(Gains)/losses on asset sales and asset impairments, net (Note 14)	617	(7)
Goodwill impairment losses (Note 6)	2,515	0
Equity-indexed compensation expense	9	31
Inventory valuation adjustments	233	11
Deferred income tax expense/(benefit)	(177)	65
Settlement of terminated interest rate hedging instruments	(100)	(55)
Change in fair value of Preferred Distribution Rate Reset Option (Note 10)	(7)	(16)
Equity earnings in unconsolidated entities	(280)	(274)
Distributions on earnings from unconsolidated entities	344	307
(Gain on)/impairment of investments in unconsolidated entities, net (Note 7)	182	(271)
Other	29	22
Changes in assets and liabilities, net of acquisitions	(190)	(251)
Net cash provided by operating activities	1,253	1,774
CASH FLOWS FROM INVESTING ACTIVITIES
Cash paid in connection with acquisitions, net of cash acquired (Note 14)	(310)	(47)
Investments in unconsolidated entities	(386)	(367)
Additions to property, equipment and other	(606)	(919)
Proceeds from sales of assets (Note 14)	246	8
Cash paid for purchases of linefill and base gas	(14)	(33)
Other investing activities	4	(9)
Net cash used in investing activities	(1,066)	(1,367)
CASH FLOWS FROM FINANCING ACTIVITIES
Net borrowings under PAA commercial paper program (Note 8)	19	0
Net repayments under PAA senior secured hedged inventory facility (Note 8)	(325)	0
Proceeds from the issuance of PAA senior notes (Note 8)	748	998
Repayments of PAA senior notes (Note 8)	(17)	0
Distributions paid to Class A shareholders (Note 9)	(132)	(165)
Distributions paid to noncontrolling interests (Note 9)	(535)	(717)
Contributions from noncontrolling interests (Note 9)	11	0
Sale of noncontrolling interest in a subsidiary	0	128
Other financing activities	17	(45)
Net cash (used in)/provided by financing activities	(214)	199
Effect of translation adjustment	(9)	(5)
Net increase/(decrease) in cash and cash equivalents and restricted cash	(36)	601
Cash and cash equivalents and restricted cash, beginning of period	84	69
Cash and cash equivalents and restricted cash, end of period	48	670
Cash paid for:
Interest, net of amounts capitalized	285	263
Income taxes, net of amounts refunded	$ 72	$ 110