Condensed Consolidated Statements of Cash Flows - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 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	2	5
Adjustments to reconcile net income to net cash provided from operating activities:
Depreciation and amortization expense	8	9
Stock-based compensation expense	6	6
Restructuring charges	0	1
Payments for restructuring charges		(1)
Loss on extinguishment of debt	0	1
Other	(2)
Change in working capital, net of acquisitions:
Receivables	2	1
Prepaid expenses and other current assets	1	1
Accounts payable	7	11
Deferred revenue	35	40
Accrued liabilities	(13)	(8)
Accrued interest payable		(6)
Current income taxes	1	(8)
Net Cash Provided from Operating Activities	47	52
Cash Flows from Investing Activities:
Purchases of property and equipment	(9)	(7)
Net Cash Used for Investing Activities	(8)	(7)
Cash Flows from Financing Activities:
Payments of debt and finance lease obligations	(4)	(102)
Repurchase of common stock	(40)
Other financing activities	(3)	(3)
Net Cash Used for Financing Activities	(47)	(105)
Cash Decrease During the Period	(8)	(59)
Cash and Cash Equivalents at End of Period	$ 255	$ 538