Consolidated Balance Sheets - USD ($) $ in Thousands		Mar. 31, 2025	Dec. 31, 2024
Current assets
Cash and cash equivalents		$ 448,447	$ 1,090,464
Accounts receivable, net		673,204	701,838
Other current assets		68,243	54,888
Total current assets		1,189,894	1,847,190
Property, plant, and equipment
Cost		15,677,543	15,509,910
Less accumulated depreciation		5,950,449	5,795,301
Net property, plant, and equipment		9,727,094	9,714,609
Goodwill		4,783	4,783
Other intangible assets		641,824	649,740
Equity investments		527,526	541,435
Other assets		365,756	387,028
Total assets	[1]	12,456,877	13,144,785
Current liabilities
Accounts and imbalance payables		357,278	312,945
Short-term debt		350,597	1,011,032
Accrued ad valorem taxes		46,016	38,319
Accrued liabilities		257,038	329,398
Total current liabilities		1,010,929	1,691,694
Long-term liabilities
Long-term debt		6,925,033	6,926,647
Deferred income taxes		31,392	29,679
Asset retirement obligations		378,889	370,195
Other liabilities		777,063	751,400
Total long-term liabilities		8,112,377	8,077,921
Total liabilities	[2]	9,123,306	9,769,615
Equity and partners' capital
Common units (381,327,148 and 380,556,643 units issued and outstanding at March 31, 2025, and December 31, 2024, respectively)		3,183,365	3,224,802
General partner units (9,060,641 units issued and outstanding at March 31, 2025, and December 31, 2024)		10,045	10,803
Total partners' capital		3,193,410	3,235,605
Noncontrolling interests		140,161	139,565
Total equity and partners' capital		3,333,571	3,375,170
Total liabilities, equity, and partners' capital		$ 12,456,877	$ 13,144,785
Common units issued		381,327,148	380,556,643
Common units outstanding		381,327,148	380,556,643
General partner units issued		9,060,641	9,060,641
General partner units outstanding		9,060,641	9,060,641

[1] Total assets includes related-party amounts of $968.5 million and $991.1 million as of March 31, 2025, and December 31, 2024, respectively, which includes related-party Accounts receivable, net of $393.5 million and $401.3 million as of March 31, 2025, and December 31, 2024, respectively. See Note 6.

[2] Total liabilities includes related-party amounts of $577.0 million and $529.7 million as of March 31, 2025, and December 31, 2024, respectively, which includes related-party Accounts and imbalance payable of $37.3 million and $20.6 million as of March 31, 2025, and December 31, 2024, respectively. See Note 6.