Consolidated Balance Sheets - USD ($) $ in Thousands		Mar. 31, 2018	Dec. 31, 2017
Current assets
Cash and cash equivalents		$ 523,686	$ 79,588
Accounts receivable, net	[1]	188,876	160,239
Other current assets	[2]	23,256	15,383
Total current assets		735,818	255,210
Note receivable - Anadarko		260,000	260,000
Property, plant and equipment
Cost		8,272,083	7,871,102
Less accumulated depreciation		2,208,536	2,140,211
Net property, plant and equipment		6,063,547	5,730,891
Goodwill		416,160	416,160
Other intangible assets		768,162	775,269
Equity investments		557,681	566,211
Other assets	[3]	14,525	12,570
Total assets		8,815,893	8,016,311
Current liabilities
Accounts and imbalance payables	[4]	360,028	349,801
Short-term debt		28,000	0
Accrued ad valorem taxes		38,871	26,633
Accrued liabilities	[5]	79,122	47,992
Total current liabilities		506,021	424,426
Long-term liabilities
Long-term debt		4,176,346	3,492,712
Deferred income taxes		8,592	7,409
Asset retirement obligations		147,082	143,394
Other liabilities	[6]	128,757	3,491
Total long-term liabilities		4,460,777	3,647,006
Total liabilities		4,966,798	4,071,432
Equity and partners' capital
Common units (218,933,141 units issued and outstanding at March 31, 2018, and December 31, 2017)		1,041,066	1,061,125
Total partners' capital		1,041,066	1,061,125
Noncontrolling interests		2,808,029	2,883,754
Total equity and partners' capital		3,849,095	3,944,879
Total liabilities, equity and partners' capital		$ 8,815,893	$ 8,016,311

[1] Accounts receivable, net includes amounts receivable from affiliates (as defined in Note 1) of $56.1 million and $36.1 million as of March 31, 2018, and December 31, 2017, respectively.

[2] Other current assets includes affiliate amounts of $5.7 million and zero as of March 31, 2018, and December 31, 2017, respectively.

[3] Other assets includes affiliate amounts of $0.2 million and zero as of March 31, 2018, and December 31, 2017, respectively.

[4] Accounts and imbalance payables includes affiliate amounts of $0.1 million and $0.3 million as of March 31, 2018, and December 31, 2017, respectively.

[5] Accrued liabilities includes affiliate amounts of $2.1 million and $0.2 million as of March 31, 2018, and December 31, 2017, respectively.

[6] Other liabilities includes affiliate amounts of $42.4 million and $0.7 million as of March 31, 2018, and December 31, 2017, respectively.