Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands		Sep. 30, 2022	Dec. 31, 2021
Materials and supplies inventory		$ 61,300	$ 56,200
Total assets	[1]	11,472,582	11,273,079
Accounts receivable, net		650,922	436,513
Total liabilities	[2]	8,466,896	8,177,319
Related Parties [Member]
Total assets		1,533,418	1,405,376
Accounts receivable, net		327,285	180,205
Total liabilities		326,835	270,521
Natural-Gas Liquids [Member]
NGLs line-fill inventory		$ 9,300	$ 9,800

[1] 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.

[2] 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.