Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013		Dec. 31, 2012
Current assets
Cash and cash equivalents	$ 113,085		$ 422,556
Accounts receivable, net	83,943	[1]	48,550	[1]
Other current assets	10,799	[2]	6,998	[2]
Total current assets	207,827		478,104
Note receivable - Anadarko	260,000		260,000
Property, plant and equipment
Cost	4,239,100		3,432,392
Less accumulated depreciation	855,845		714,436
Net property, plant and equipment	3,383,255		2,717,956
Goodwill	105,336		105,336
Other intangible assets	53,606		55,490
Equity investments	243,619		106,130
Other assets	27,401		27,798
Total assets	4,281,044		3,750,814
Current liabilities
Accounts and natural gas imbalance payables	39,589	[3]	25,154	[3]
Accrued ad valorem taxes	13,860		11,949
Income taxes payable	0		552
Accrued liabilities	138,034	[4]	148,600	[4]
Total current liabilities	191,483		186,255
Long-term debt	1,418,169		1,168,278
Deferred income taxes	309		47,153
Asset retirement obligations and other	79,145		68,749
Total long-term liabilities	1,497,623		1,284,180
Total liabilities	1,689,106		1,470,435
Equity and partners' capital
Common units (218,895,515 units issued and outstanding at December 31, 2013 and 2012)	905,082		912,376
Net investment by Anadarko	0		199,960
Total partners' capital	905,082		1,112,336
Noncontrolling interests	1,686,856		1,168,043
Total equity and partners' capital	2,591,938		2,280,379
Total liabilities, equity and partners' capital	$ 4,281,044		$ 3,750,814

[1] Accounts receivable, net includes amounts receivable from affiliates (as defined in Note 1) of $47.8 million and $17.5 million as of December 31, 2013 and 2012, respectively.

[2] Other current assets includes natural gas imbalance receivables from affiliates of $0.1 million and $0.4 million as of December 31, 2013 and 2012, respectively.

[3] Accounts and natural gas imbalance payables includes amounts payable to affiliates of $2.3 million and $2.5 million as of December 31, 2013 and 2012, respectively.

[4] Accrued liabilities include amounts payable to affiliates of $0.1 million as of December 31, 2013 and 2012.