Consolidated Balance Sheets - USD ($) $ in Millions	Jun. 30, 2018	Dec. 31, 2017
Current assets:
Cash and cash equivalents	$ 36.8	$ 31.2
Accounts receivable:
Trade, net of allowance for bad debt of $0.3 and $0.3, respectively	73.2	50.1
Accrued revenue and other	579.4	576.6
Related party	122.7	102.8
Fair value of derivative assets	4.0	6.8
Natural gas and NGLs inventory, prepaid expenses, and other	99.1	41.2
Total current assets	915.2	808.7
Property and equipment, net of accumulated depreciation of $2,745.8 and $2,533.0, respectively	6,763.2	6,587.0
Intangible assets, net of accumulated amortization of $360.4 and $298.7, respectively	1,435.4	1,497.1
Goodwill	1,542.2	1,542.2
Investment in unconsolidated affiliates	85.5	89.4
Other assets, net	42.1	13.4
Total assets	10,783.6	10,537.8
Current liabilities:
Accounts payable and drafts payable	115.2	66.9
Accounts payable to related party	30.5	16.3
Accrued gas, NGLs, condensate, and crude oil purchases	509.2	476.1
Fair value of derivative liabilities	10.7	8.4
Installment payable, net of discount of $0.5 at December 31, 2017	0.0	249.5
Current maturities of long-term debt	483.7	0.0
Other current liabilities	206.4	222.9
Total current liabilities	1,355.7	1,040.1
Long-term debt	3,590.2	3,542.1
Asset retirement obligations	14.5	14.2
Other long-term liabilities	21.2	33.9
Deferred tax liability	358.0	346.2
Fair value of derivative liabilities	8.9	0.0
Redeemable non-controlling interest	4.6	4.6
Members’ equity:
Members’ equity (181,051,875 and 180,600,728 units issued and outstanding, respectively)	1,871.9	1,924.2
Accumulated other comprehensive loss	(2.0)	(2.0)
Non-controlling interest	3,560.6	3,634.5
Total members’ equity	5,430.5	5,556.7
Total liabilities and members’ equity	$ 10,783.6	$ 10,537.8