Condensed Consolidated Statements of Cash Flows - USD ($) $ in Millions	3 Months Ended	6 Months Ended
	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Condensed Consolidated Statements of Cash Flows [Abstract]
Cash and Cash Equivalents at Beginning of Period		$ 262	$ 597
Cash Flows from Operating Activities:
Net Income	$ 40	35	45
Adjustments to reconcile net income to net cash provided from operating activities:
Depreciation and amortization expense	9	17	19
Deferred income tax provision		(6)
Stock-based compensation expense		12	13
Restructuring charges	1	12	2
Payments for restructuring charges		(1)	(1)
Loss on extinguishment of debt	30		31
Other		(1)	3
Change in working capital, net of acquisitions:
Receivables		1
Prepaid expenses and other current assets		(13)	(4)
Accounts payable		30	27
Deferred revenue		(30)	(25)
Accrued liabilities		29	14
Accrued interest payable			(9)
Current income taxes		9	5
Net Cash Provided from Operating Activities		94	119
Cash Flows from Investing Activities:
Purchases of property and equipment		(19)	(15)
Net Cash Used for Investing Activities		(19)	(15)
Cash Flows from Financing Activities:
Borrowings of debt, net of discount			638
Payments of debt and finance lease obligations		(8)	(985)
Debt issuance costs paid			(8)
Call premium paid on retired debt			(21)
Repurchase of common stock		(59)
Other financing activities		(2)	(2)
Net Cash Used for Financing Activities		(69)	(378)
Cash Increase (Decrease) During the Period		6	(274)
Cash and Cash Equivalents at End of Period	$ 323	$ 269	$ 323