CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2022	Mar. 31, 2021
Cash flows from operating activities:
Net income		$ 309	$ 219
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization		135	132
Non cash impairment and restructuring costs		0	245
Non-cash interest expense, net of amortization of premium		5	5
Provision for doubtful accounts		15	10
(Gain) loss on unconsolidated entity investments, net		(3)	1
Loss (gain) on other investments		3	(1)
Share-based payment expense		45	51
Deferred income tax expense (benefit)		29	(76)
Amortization of right-of-use assets		12	15
Changes in operating assets and liabilities:
Receivables		57	45
Related party, net		60	10
Prepaid expenses and other current assets		(71)	(20)
Other long-term assets		1	(4)
Accounts payable and accrued expenses		(116)	(173)
Accrued interest		(102)	(94)
Deferred revenue		(9)	(59)
Operating lease liabilities		(15)	(12)
Other long-term liabilities		0	(2)
Net cash provided by operating activities		355	292
Cash flows from investing activities:
Additions to property and equipment		(97)	(78)
Purchases of other investments		0	(3)
Acquisition of business, net of cash acquired		(44)	6
Investments in related parties and other equity investees		(1)	(5)
Repayment from related party		0	2
Net cash used in investing activities		(142)	(78)
Cash flows from financing activities:
Taxes paid from net share settlements for stock-based compensation		(29)	(20)
Revolving credit facility, net		981	374
Principal payments of long-term borrowings		(1)	(1)
Common stock repurchased and retired		(206)	(522)
Dividends paid		(1,073)	(61)
Net cash used in financing activities		(328)	(230)
Net decrease in cash, cash equivalents and restricted cash		(115)	(16)
Cash, cash equivalents and restricted cash at beginning of period	[1]	199	83
Cash, cash equivalents and restricted cash at end of period	[1]	84	67
Cash paid during the period for:
Interest, net of amounts capitalized		199	189
Income taxes paid		5	2
Non-cash investing and financing activities:
Treasury stock not yet settled		6	6
Accumulated other comprehensive income, net of tax		8	5
Capital Contribution Pursuant To Tax Sharing Agreement		$ 13	$ 0

[1] The following table reconciles cash, cash equivalents and restricted cash per the statement of cash flows to the balance sheet. The restricted cash balances are primarily due to letters of credit which have been issued to the landlords of leased office space. The terms of the letters of credit primarily extend beyond one year. (in millions)March 31, 2022December 31, 2021March 31, 2021December 31, 2020Cash and cash equivalents$76 $191 $59 $71 Restricted cash included in Other long-term assets8 8 8 12 Total cash, cash equivalents and restricted cash at end of period$84 $199 $67 $83