Condensed Consolidated Statements of Cash Flows - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Cash Flows from Operating Activities:
Net income (loss)	$ (107)	$ (1,353)
Adjustments required to reconcile net income (loss) to cash flows from operating activities:
Depreciation and amortization	344	342
Deferred Sales Inducement Cost, Amortization Expense	2	2
Deferred income taxes	(38)	(148)
Goodwill, Impairment Loss	0	1,351
(Gain) loss from investments	(3)	(3)
Amortization of debt financing costs	5	5
(Gain) loss on divestitures and transaction costs	14	19
Stock-based compensation	14	19
Provision for Other Credit Losses	1	0
(Increase) decrease in accounts receivable	(36)	(84)
(Increase) decrease in other current and long-term assets	(51)	(34)
Increase (decrease) in accounts payable and accrued compensation	(14)	(128)
Increase (decrease) in restructuring liabilities	3	4
Increase (decrease) in other current and long-term liabilities	(152)	(199)
Net change in income tax assets and liabilities	7	(9)
Net Cash Provided by (Used in) Operating Activities	(11)	(216)
Cash Flows from Investing Activities:
Cost of additions to land, buildings and equipment	(48)	(109)
Proceeds from Sale of Property, Plant, and Equipment	0	2
Cost of additions to internal use software	(47)	(49)
Payments to Acquire Businesses, Gross	0	(90)
Proceeds (payments) from divestitures, including cash sold	3	(7)
Net Cash Provided by (Used in) Investing Activities	(92)	(253)
Cash Flows from Financing Activities:
Proceeds from Issuance of Long-term Debt	152	0
Payments on debt	(41)	(42)
Payment for contingent consideration related to acquisition	(4)	0
Taxes paid for settlement of stock based compensation	(3)	(11)
Dividends paid on preferred stock	(5)	(7)
Net cash provided by (used in) financing activities	99	(60)
Effect of exchange rate changes on cash, cash equivalents and restricted cash	(5)	0
Increase (decrease) in cash, cash equivalents and restricted cash	(9)	(529)
Cash, Cash Equivalents and Restricted Cash at Beginning of Period	505	765
Cash, Cash Equivalents and restricted Cash at End of period	$ 496	$ 236