Consolidated Balance Sheets - USD ($) $ in Thousands		Sep. 30, 2022	Dec. 31, 2021
Current assets
Cash and cash equivalents		$ 159,093	$ 201,999
Accounts receivable, net		650,922	436,513
Other current assets		86,285	46,252
Total current assets		896,300	684,764
Property, plant, and equipment
Cost		13,236,499	12,846,078
Less accumulated depreciation		4,696,816	4,333,171
Net property, plant, and equipment		8,539,683	8,512,907
Goodwill		4,783	4,783
Other intangible assets		720,992	744,742
Equity investments		1,142,103	1,167,187
Other assets	[1]	168,721	158,696
Total assets	[2]	11,472,582	11,273,079
Current liabilities
Accounts and imbalance payables		492,776	326,061
Short-term debt		2,030	505,932
Accrued ad valorem taxes		61,492	44,955
Accrued liabilities		189,625	263,249
Total current liabilities		745,923	1,140,197
Long-term liabilities
Long-term debt		7,027,361	6,400,616
Deferred income taxes		14,182	12,425
Asset retirement obligations		310,500	298,275
Other liabilities		368,930	325,806
Total long-term liabilities		7,720,973	7,037,122
Total liabilities	[3]	8,466,896	8,177,319
Equity and partners' capital
Common units (385,586,841 and 402,993,919 units issued and outstanding at September 30, 2022, and December 31, 2021, respectively)		2,868,665	2,966,955
General partner units (9,060,641 units issued and outstanding at September 30, 2022, and December 31, 2021)		(1,112)	(8,882)
Total partners' capital		2,867,553	2,958,073
Noncontrolling interests		138,133	137,687
Total equity and partners' capital		3,005,686	3,095,760
Total liabilities, equity, and partners' capital		$ 11,472,582	$ 11,273,079
Common units issued		385,586,841	402,993,919
Common units outstanding		385,586,841	402,993,919
General partner units issued		9,060,641	9,060,641
General partner units outstanding		9,060,641	9,060,641

[1] Other assets includes $9.3 million and $9.8 million of NGLs line-fill inventory as of September 30, 2022, and December 31, 2021, respectively. Other assets also includes $61.3 million and $56.2 million of materials and supplies inventory as of September 30, 2022, and December 31, 2021, respectively.

[2] Total assets includes related-party amounts of $1.5 billion and $1.4 billion as of September 30, 2022, and December 31, 2021, respectively, which includes related-party Accounts receivable, net of $327.3 million and $180.2 million as of September 30, 2022, and December 31, 2021, respectively. See Note 6.

[3] Total liabilities includes related-party amounts of $326.8 million and $270.5 million as of September 30, 2022, and December 31, 2021, respectively. See Note 6.