Unaudited Condensed Consolidated Statements of Operations - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Revenues:
Total revenues	$ 438	$ 473	$ 843	$ 865
Costs and expenses:
Selling, general and administrative	106	88	210	172
Depreciation and amortization	67	73	135	147
Operating income	45	56	58	49
Interest expense, net	76	24	99	102
Other income, net	(2)	(3)	(5)	(4)
(Loss) income before taxes	(29)	35	(36)	(49)
Income tax expense (benefit)	1	(10)	1	(10)
Net (loss) income	$ (30)	$ 45	$ (37)	$ (39)
Net (loss) income per common share:
Basic (in dollars per share)	$ (0.41)	$ 0.62	$ (0.50)	$ (0.57)
Diluted (in dollars per share)	$ (0.41)	$ 0.60	$ (0.50)	$ (0.57)
Product
Revenues:
Total revenues	$ 154	$ 190	$ 308	$ 332
Costs and expenses:
Product and service costs, excluding depreciation and amortization	128	156	255	304
Service
Revenues:
Total revenues	284	283	535	533
Costs and expenses:
Product and service costs, excluding depreciation and amortization	$ 92	$ 100	$ 185	$ 193