Consolidated Balance Sheets - USD ($) $ in Thousands		Dec. 31, 2022	Dec. 31, 2021
Current assets
Cash and cash equivalents		$ 286,656	$ 201,999
Accounts receivable, net		554,263	436,513
Other current assets		59,506	46,252
Total current assets		900,425	684,764
Property, plant, and equipment
Cost		13,365,593	12,846,078
Less accumulated depreciation		4,823,993	4,333,171
Net property, plant, and equipment		8,541,600	8,512,907
Goodwill		4,783	4,783
Other intangible assets		713,075	744,742
Equity investments		944,696	1,167,187
Other assets	[1]	167,049	158,696
Total assets	[2]	11,271,628	11,273,079
Current liabilities
Accounts and imbalance payables		360,562	326,061
Short-term debt		215,780	505,932
Accrued ad valorem taxes		72,875	44,955
Accrued liabilities		254,640	263,249
Total current liabilities		903,857	1,140,197
Long-term liabilities
Long-term debt		6,569,582	6,400,616
Deferred income taxes		14,424	12,425
Asset retirement obligations		290,021	298,275
Other liabilities		385,629	325,806
Total long-term liabilities		7,259,656	7,037,122
Total liabilities	[3]	8,163,513	8,177,319
Equity and partners' capital
Common units (384,070,984 and 402,993,919 units issued and outstanding at December 31, 2022 and 2021, respectively)		2,969,604	2,966,955
General partner units (9,060,641 units issued and outstanding at December 31, 2022 and 2021)		2,105	(8,882)
Total partners' capital		2,971,709	2,958,073
Noncontrolling interests		136,406	137,687
Total equity and partners' capital		3,108,115	3,095,760
Total liabilities, equity, and partners' capital		$ 11,271,628	$ 11,273,079
Common units issued		384,070,984	402,993,919
Common units outstanding		384,070,984	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 $6.5 million and $9.8 million of NGLs line-fill inventory as of December 31, 2022 and 2021, respectively. Other assets also includes $60.4 million and $56.2 million of materials and supplies inventory as of December 31, 2022 and 2021, respectively.

[2] Total assets includes related-party amounts of $1.3 billion and $1.4 billion as of December 31, 2022 and 2021, respectively, which includes related-party Accounts receivable, net of $313.9 million and $180.2 million as of December 31, 2022 and 2021, respectively. See Note 6.

[3] Total liabilities includes related-party amounts of $312.3 million and $270.5 million as of December 31, 2022 and 2021, respectively. See Note 6.