CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 1,771	$ 1,046
Reconciliation of net income to net cash provided by operating activities:
Depreciation and amortization	441	386
(Gains)/losses on asset sales and asset impairments, net	(7)	(79)
Equity-indexed compensation expense	31	59
Inventory valuation adjustments	11
Deferred income tax expense	65	50
Settlement of terminated interest rate hedging instruments	(55)	14
Change in fair value of Preferred Distribution Rate Reset Option (Note 10)	(16)	(3)
Equity earnings in unconsolidated entities	(274)	(281)
Distributions on earnings from unconsolidated entities	307	324
Gain on investment in unconsolidated entities	(271)	(210)
Other	22	22
Changes in assets and liabilities, net of acquisitions	(251)	(36)
Net cash provided by operating activities	1,774	1,292
CASH FLOWS FROM INVESTING ACTIVITIES
Cash paid in connection with acquisitions, net of cash acquired	(47)
Investments in unconsolidated entities	(367)	(300)
Additions to property, equipment and other	(919)	(1,184)
Proceeds from sales of assets	8	1,298
Return of investment from unconsolidated entities		10
Cash paid for purchases of linefill and base gas	(33)
Other investing activities	(9)	(8)
Net cash used in investing activities	(1,367)	(184)
CASH FLOWS FROM FINANCING ACTIVITIES
Net repayments under PAA commercial paper program (Note 8)		(63)
Net repayments under PAA senior secured hedged inventory facility (Note 8)		(479)
Proceeds from PAA GO Zone term loans		200
Proceeds from the issuance of PAA senior notes (Note 8)	998
Distributions paid to Class A shareholders (Note 9)	(165)	(142)
Distributions paid to noncontrolling interests (Note 9)	(717)	(611)
Sale of noncontrolling interest in a subsidiary (Note 9)	128
Other financing activities	(45)	(17)
Net cash provided by/(used in) financing activities	199	(1,112)
Effect of translation adjustment	(5)	(3)
Net increase/(decrease) in cash and cash equivalents and restricted cash	601	(7)
Cash and cash equivalents and restricted cash, beginning of period	69	40
Cash and cash equivalents and restricted cash, end of period	670	33
Cash paid for:
Interest, net of amounts capitalized	263	281
Income taxes, net of amounts refunded	$ 110	$ 20