CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
Statement of Cash Flows [Abstract]
Non-Cash Contribution	$ 5	$ 0
Interest Paid	(37)	37
OPERATING ACTIVITIES:
Net income	22	46
Reconciliation of net income to net cash provided by operating activities:
Depreciation and amortization	63	65
Deferred income taxes	19	15
Amortization included in interest expense	(13)	(12)
Other non-cash	8	5
Changes in operating assets and liabilities	(9)	31
Net Cash Provided by (Used in) Operating Activities	90	150
INVESTING ACTIVITIES:
Capital expenditures	(83)	(24)
Repayment of Notes Receivable from Related Parties	99	18
Note receivable issued to related party	(30)	(129)
Payments for (Proceeds from) Other Investing Activities	(3)	0
Net cash flows used in investing activities	(11)	(135)
FINANCING ACTIVITIES:
Net Cash Provided by (Used in) Financing Activities	(74)	0
Net change in cash and cash equivalents	5	15
Cash and cash equivalents, beginning of period	4	3
Cash and cash equivalents, end of period	$ 9	$ 18