Consolidated Balance Sheets - USD ($) $ in Thousands		Dec. 31, 2017	Dec. 31, 2016
Current assets
Cash and cash equivalents		$ 79,588	$ 359,072
Accounts receivable, net	[1]	160,239	223,021
Other current assets		15,383	13,498
Total current assets		255,210	595,591
Note receivable - Anadarko		260,000	260,000
Property, plant and equipment
Cost		7,871,102	6,861,942
Less accumulated depreciation		2,140,211	1,812,010
Net property, plant and equipment		5,730,891	5,049,932
Goodwill		416,160	417,610
Other intangible assets		775,269	803,698
Equity investments		566,211	594,208
Other assets		12,570	15,058
Total assets		8,016,311	7,736,097
Current liabilities
Accounts and imbalance payables	[2]	349,801	247,076
Accrued ad valorem taxes		26,633	23,121
Accrued liabilities	[3]	47,992	45,190
Total current liabilities		424,426	315,387
Long-term debt		3,492,712	3,119,461
Deferred income taxes		7,409	6,402
Asset retirement obligations and other		146,885	142,641
Deferred purchase price obligation - Anadarko	[4]	0	41,440
Total long-term liabilities		3,647,006	3,309,944
Total liabilities		4,071,432	3,625,331
Equity and partners' capital
Common units (218,933,141 and 218,928,570 units issued and outstanding at December 31, 2017 and 2016, respectively)		1,061,125	1,048,143
Total partners' capital		1,061,125	1,048,143
Noncontrolling interests		2,883,754	3,062,623
Total equity and partners' capital		3,944,879	4,110,766
Total liabilities, equity and partners' capital		$ 8,016,311	$ 7,736,097

[1] Accounts receivable, net includes amounts receivable from affiliates (as defined in Note 1) of $36.1 million and $76.4 million as of December 31, 2017 and 2016, respectively. Accounts receivable, net as of December 31, 2016, also includes an insurance claim receivable related to an incident at the DBM complex. See Note 1.

[2] Accounts and imbalance payables includes affiliate amounts of $0.3 million and zero as of December 31, 2017 and 2016, respectively.

[3] Accrued liabilities includes affiliate amounts of $0.2 million and zero as of December 31, 2017 and 2016, respectively.

[4] See Note 2.