Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
Operating activities
Net (loss) income	$ (125)	$ 159
Adjustments to reconcile net income to net cash provided by operating activities:
Loss (income) from discontinued operations	37	(5)
Depreciation and amortization	171	172
Stock-based compensation expense	40	41
Deferred income taxes	1	4
Gain (Loss) on Disposition of Property Plant Equipment	0	1
Goodwill and Long-Lived Intangible Asset Impairment	193	0
Changes in assets and liabilities:
Receivables	(41)	(28)
Inventories	(88)	(126)
Current payables and accrued expenses	(57)	(93)
Deferred service revenue and customer deposits	0	50
Employee benefit plans	(8)	(6)
Other assets and liabilities	(28)	(33)
Net cash provided by operating activities	95	134
Investing activities
Expenditures for property, plant and equipment	(70)	(43)
Additions to capitalized software	(86)	(84)
Other investing activities, net	(3)	0
Net cash used in investing activities	(159)	(127)
Financing activities
Short term borrowings, net	2	13
Payments on term credit facilities	(34)	(25)
Payments on revolving credit facility	(1,013)	(615)
Borrowings on revolving credit facility	1,163	855
Repurchases of Company common stock	(210)	(350)
Proceeds from employee stock plans	11	8
Tax withholding payments on behalf of employees	(29)	(24)
Proceeds from (Payments for) Other Financing Activities	0	(1)
Net cash used in financing activities	(110)	(139)
Cash flows from discontinued operations
Net cash used in operating activities	(11)	(5)
Effect of exchange rate changes on cash and cash equivalents	(8)	12
Decrease in cash, cash equivalents, and restricted cash	(193)	(125)
Cash and cash equivalents	343	377
Restricted Cash	7	5
Cash, cash equivalents and restricted cash at beginning of period	543	507
Cash, cash equivalents and restricted cash at end of period	$ 350	$ 382