CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Statement of Cash Flows [Abstract]
Proceeds from Related Party Debt	$ 65	$ 0
OPERATING ACTIVITIES:
Net income	40	50
Reconciliation of net income to net cash provided by operating activities:
Depreciation and amortization	26	29
Deferred income taxes	(2)	3
Amortization of deferred financing fees	0	(2)
Other non-cash	2	2
Changes in operating assets and liabilities	0	(20)
Net Cash Provided by (Used in) Operating Activities	66	62
INVESTING ACTIVITIES:
Capital expenditures	(11)	(14)
Net cash flows used in investing activities	(11)	(14)
FINANCING ACTIVITIES:
Repayment of note payable from related company	120	64
Net cash flows used in financing activities	(55)	(64)
Net change in cash and cash equivalents	0	(16)
Cash and cash equivalents, beginning of period	0	20
Cash and cash equivalents, end of period	0	4
SUPPLEMENTAL INFORMATION:
Non-cash activity - Accrued capital expenditures	2	7
Non-cash activity - Settlement of related company payables	4	0
Cash paid for interest	$ 6	$ 6