Condensed Consolidated Statements of Cash Flows (USD $) In Millions, unless otherwise specified	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011
Operating activities
Net income	$ 110	$ 49
Adjustments to reconcile net income to net cash provided by operating activities:
(Income) loss from discontinued operations	(4)	18
Depreciation and amortization	81	58
Stock-based compensation expense	22	15
Excess tax benefit from stock-based compensation	0	(1)
Deferred income taxes	8	(4)
Gain on sale of property, plant and equipment	(7)	(3)
Impairment of long-lived and other assets	7	0
Changes in operating assets and liabilities:
Receivables	(47)	(56)
Inventories	(40)	(70)
Current payables and accrued expenses	(4)	49
Deferred service revenue and customer deposits	50	34
Employee severance and pension	4	54
Other assets and liabilities	(60)	(23)
Net cash provided by operating activities	120	120
Investing activities
Expenditures for property, plant and equipment	(31)	(32)
Proceeds from sales of property, plant and equipment	8	2
Additions to capitalized software	(37)	(29)
Business acquisitions, net	(25)	0
Other investing activities, net	8	0
Net cash used in investing activities	(77)	(59)
Financing activities
Repurchases of Company common stock	0	(70)
Tax withholding payments on behalf of employees	(9)	0
Excess tax benefit from stock-based compensation	0	1
Proceeds from short-term borrowings	2	0
Payments on revolving credit facility	(305)	0
Borrowings on revolving credit facility	190	0
Proceeds from employee stock plans	13	13
Net cash used in financing activities	(109)	(56)
Cash flows from discontinued operations
Net cash used in operating activities	(44)	(20)
Net cash provided by (used in) investing activities	98	(35)
Net cash provided by (used in) discontinued operations	54	(55)
Effect of exchange rate changes on cash and cash equivalents	(9)	11
Decrease in cash and cash equivalents	(21)	(39)
Cash and cash equivalents at beginning of period	398	496
Cash and cash equivalents at end of period	$ 377	$ 457