Consolidated Balance Sheets - USD ($) $ in Millions	Sep. 30, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 93	$ 1
Accounts receivable:
Trade, net of allowance for credit losses of $1 and $2 million, respectively	1,298	1,029
Affiliates	445	389
Other	4	7
Inventories	45	77
Unrealized gains on derivative instruments	130	86
Collateral cash deposits	219	128
Other	26	32
Total current assets	2,260	1,749
Property, plant and equipment, net	7,736	7,701
Intangible assets, net	35	39
Investments in unconsolidated affiliates	3,496	3,578
Unrealized gains on derivative instruments	35	10
Operating lease assets	103	104
Other long-term assets	217	199
Total assets	13,882	13,380
Accounts payable:
Trade	1,351	977
Affiliates	307	205
Other	17	16
Current debt	506	355
Unrealized losses on derivative instruments	224	145
Accrued interest	65	79
Accrued taxes	72	51
Accrued wages and benefits	66	60
Capital spending accrual	9	7
Other	124	115
Total current liabilities	2,741	2,010
Long-term debt	4,317	5,078
Unrealized losses on derivative instruments	49	30
Deferred income taxes	34	34
Operating lease liabilities	90	93
Other long-term liabilities	265	259
Total liabilities	7,496	7,504
Equity:
Limited partners (208,396,558 and 208,373,672 common units authorized, issued and outstanding, respectively)	5,606	5,106
Accumulated other comprehensive loss	(6)	(6)
Total partners’ equity	6,361	5,851
Noncontrolling interests	25	25
Total equity	6,386	5,876
Total liabilities and equity	13,882	13,380
Allowance for Doubtful Accounts Receivable, Current	$ 1	$ 2
Common unitholders, units issued (in shares)	208,396,558	208,373,672
Common unitholders, units outstanding (in shares)	208,396,558	208,373,672
Series A Preferred Limited Partners [Member]
Equity:
Preferred Units, Preferred Partners' Capital Accounts	$ 499	$ 489
Total equity	$ 499	$ 489
Preferred Units, Issued	500,000	500,000
Preferred Units, Outstanding	500,000	500,000
Series B Preferred Limited Partners [Member]
Equity:
Preferred Units, Preferred Partners' Capital Accounts	$ 156	$ 156
Total equity	$ 156	$ 156
Preferred Units, Issued	6,450,000	6,450,000
Preferred Units, Outstanding	6,450,000	6,450,000
Series C Preferred Limited Partners [Member]
Equity:
Preferred Units, Preferred Partners' Capital Accounts	$ 106	$ 106
Total equity	$ 106	$ 106
Preferred Units, Issued	4,400,000	4,400,000
Preferred Units, Outstanding	4,400,000	4,400,000