Consolidated Balance Sheets - USD ($) $ in Millions	Mar. 31, 2016	Dec. 31, 2015
Current assets:
Cash and cash equivalents	$ 1	$ 2
Accounts receivable:
Trade, net of allowance for doubtful accounts of $1 million	64	73
Affiliates	72	81
Inventories	37	43
Unrealized gains on derivative instruments	48	105
Other	1	2
Total current assets	223	306
Property, plant and equipment, net	3,446	3,476
Goodwill	72	72
Intangible assets, net	110	112
Investments in unconsolidated affiliates	1,486	1,493
Unrealized gains on derivative instruments	7	9
Other long-term assets	10	9
Total assets	5,354	5,477
Accounts payable:
Trade	85	98
Affiliates	20	19
Unrealized losses on derivative instruments	5	18
Interest Payable, Current	30	19
Taxes Payable, Current	18	12
Other	17	34
Total current liabilities	175	200
Long-term debt	2,377	2,424
Unrealized losses on derivative instruments	0	1
Other long-term liabilities	48	47
Total liabilities	$ 2,600	$ 2,672
Commitments and contingent liabilities
Equity:
Limited partners (114,742,948 and 114,742,948 common units issued and outstanding, respectively)	$ 2,713	$ 2,762
General partner	18	18
Accumulated other comprehensive loss	(8)	(8)
Total partners' equity	2,723	2,772
Noncontrolling interests	31	33
Total equity	2,754	2,805
Total liabilities and equity	$ 5,354	$ 5,477