Consolidated Balance Sheets - USD ($)	Dec. 31, 2020	Dec. 31, 2019
Current assets:
Cash and cash equivalents	$ 39,600,000	$ 77,400,000
Accounts receivable:
Trade, net of allowance for bad debt of $0.5 and $0.5, respectively	80,600,000	36,200,000
Accrued revenue and other	447,500,000	460,100,000
Fair value of derivative assets	25,000,000.0	12,900,000
Other current assets	58,700,000	57,800,000
Total current assets	651,400,000	644,400,000
Property and equipment, net of accumulated depreciation of $3,863.0 and $3,418.6, respectively	6,652,100,000	7,081,300,000
Intangible assets, net of accumulated amortization of $668.8 and $545.9, respectively	1,125,400,000	1,249,900,000
Goodwill	0	184,600,000
Investment in unconsolidated affiliates	41,600,000	43,100,000
Fair value of derivative assets	4,900,000	4,300,000
Other assets, net	75,500,000	128,200,000
Total assets	8,550,900,000	9,335,800,000
Current liabilities:
Accounts payable and drafts payable	60,500,000	70,600,000
Accounts payable to related party	1,000,000.0	1,100,000
Accrued gas, NGLs, condensate, and crude oil purchases	290,500,000	354,800,000
Fair value of derivative liabilities	37,100,000	14,400,000
Current maturities of long-term debt	349,800,000	0
Other current liabilities	149,100,000	206,200,000
Total current liabilities	888,000,000.0	647,100,000
Long-term debt	4,244,000,000.0	4,764,300,000
Asset retirement obligations	14,200,000	15,500,000
Other long-term liabilities	80,600,000	90,800,000
Deferred tax liability, net	108,600,000	0
Fair value of derivative liabilities	2,500,000	6,800,000
Redeemable non-controlling interest	0	5,200,000
Members’ equity:
Members’ equity (489,381,149 and 487,791,612 units issued and outstanding, respectively)	1,508,800,000	2,135,500,000
Accumulated other comprehensive loss	(15,300,000)	(11,000,000.0)
Non-controlling interest	1,719,500,000	1,681,600,000
Total members’ equity	3,213,000,000.0	3,806,100,000
Commitments and contingencies (Note 14)
Total liabilities and members’ equity	$ 8,550,900,000	$ 9,335,800,000