CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
OPERATING ACTIVITIES:
Net income (loss)	$ 196	$ 171	$ 589
Reconciliation of net income to net cash provided by operating activities:
Depreciation and amortization	104	116	112
Goodwill Impairment	0	0	12
Deferred income taxes	(2)	(3)	(13)
Amortization of deferred financing fees	(2)	(2)	(4)
Income tax benefit	(1)	(3)	(402)
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Curtailment	0	0	(428)
Other non-cash	31	9	13
Changes in operating assets and liabilities	76	(25)	(51)
Net cash flows provided by operating activities	403	266	230
INVESTING ACTIVITIES:
Capital expenditures	(74)	(84)	(101)
Net cash flows used in investing activities	(74)	(84)	(101)
FINANCING ACTIVITIES:
Distribution Made to Limited Partner, Cash Distributions Paid	0	0	(375)
Repayments of Related Party Debt	329	182
Proceeds from Related Party Debt			376
Repayments of Long-term Debt	0	0	(150)
Net cash flows used in financing activities	(329)	(182)	(149)
NET CHANGE IN CASH AND CASH EQUIVALENTS	0	0	(20)
CASH AND CASH EQUIVALENTS, beginning of period	0	0	20
CASH AND CASH EQUIVALENTS, end of period	$ 0	$ 0	$ 0