CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Statement of Cash Flows [Abstract]
Repayments of Long-term Debt	$ 0	$ 150
Proceeds from Related Party Debt	128	152
OPERATING ACTIVITIES:
Net income	83	81
Reconciliation of net income to net cash provided by operating activities:
Depreciation and amortization	52	59
Deferred income taxes	(1)	4
Amortization of deferred financing fees	(1)	(3)
Other non-cash	3	7
Changes in operating assets and liabilities	0	(47)
Net Cash Provided by (Used in) Operating Activities	136	101
INVESTING ACTIVITIES:
Capital expenditures	(35)	(34)
Net cash flows used in investing activities	(35)	(34)
FINANCING ACTIVITIES:
Repayment of note payable from related company	229	87
Net cash flows used in financing activities	(101)	(85)
Net change in cash and cash equivalents	0	(18)
Cash and cash equivalents, beginning of period	0	20
Cash and cash equivalents, end of period	0	2
SUPPLEMENTAL INFORMATION:
Non-cash activity - Accrued capital expenditures	7	11
Non-cash activity - Settlement of related company payables	4	0
Cash paid for interest	$ 8	$ 14