CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
OPERATING ACTIVITIES
Net income	$ 101	$ 4
Reconciliation of net income to net cash provided by operating activities:
Depreciation and amortization	101	96
Deferred income taxes	22	(238)
Amortization included in interest expense	(17)	(16)
Derivative valuation changes	0	(12)
Unit-based compensation expense	5	4
Losses from unconsolidated affiliates	26	7
Distributions of earnings received from unconsolidated affiliates	9	18
Cash flow changes in other assets and liabilities	5	(5)
Cash flow changes in operating assets and liabilities	(23)	336
Net cash flows provided by operating activities	177	180
INVESTING ACTIVITIES
Capital expenditures	(99)	(70)
Distributions in excess of earnings from unconsolidated affiliates	45	36
Repayment of note receivable from related party	40	10
Note receivable issued to related party	(40)	0
Other	0	(16)
Net cash flows used in investing activities	(54)	(40)
FINANCING ACTIVITIES
Distribution to partners	(125)	(102)
Net cash flows used in financing activities	(125)	(102)
Net change in cash and cash equivalents	(2)	38
Cash and cash equivalents, beginning of period	32	17
Cash and cash equivalents, end of period	30	55
NON-CASH INVESTING ACTIVITIES [Abstract]
Note receivable issued in exchange for investment	$ 1,369	$ 0