Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $) In Millions, unless otherwise specified	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013
Cash provided by operating activities	$ 483	$ 584
Investing activities:
Purchases of property, plant and equipment	(124)	(104)
Proceeds from sale of property, plant and equipment	0	53
Purchases of privately held securities	(6)	(8)
Purchase of notes receivable	(10)	(3)
Proceeds from sales of publicly traded and privately held equity securities and collections of notes receivable	12	0
Payments for acquisitions of businesses, net of cash acquired	(72)	0
Payments for investments in companies and acquisitions of certain technologies	(1)	(7)
Proceeds from business divestitures, net of costs	12	30
Cash used for investing activities	(189)	(39)
Financing activities:
Payment of contingent consideration	(15)	(15)
Proceeds from borrowings on credit facilities	650	240
Payments on borrowings from credit facilities	(650)	(240)
Payments for acquisitions of treasury stock	(125)	(200)
Cash used to net share settle employee equity awards	(47)	(25)
Proceeds from issuances of shares of common stock	33	19
Cash used for financing activities	(154)	(221)
Effect of foreign exchange rates on cash	0	(1)
Net increase (decrease) in cash and cash equivalents	140	323
Cash and cash equivalents at beginning of period	217	207
Cash and cash equivalents at end of period	357	530
Non-cash operating activities:
Stock-based compensation expense	53	50
Fair value of contingent consideration recorded in purchase accounting	$ 3	$ 0