Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $) In Millions, unless otherwise specified	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Cash provided by operating activities	$ 559	$ 619
Investing activities:
Purchases of property, plant and equipment	(104)	(118)
Proceeds from sale of property, plant and equipment	53	0
Purchases of privately held securities	(8)	0
Purchase of notes receivable	(3)	0
Payments for acquisitions of businesses, net of cash acquired	0	134
Payments for investments in companies and acquisitions of certain technologies	(7)	(1)
Proceeds from business divestitures, net of costs	30	0
Cash used for investing activities	(39)	(253)
Financing activities:
Payments on long-term borrowings	0	(9)
Proceeds from borrowings on credit facilities	240	251
Payment of contingent consideration	(15)	(4)
Payments on borrowings from credit facilities	(240)	(260)
Payments for acquisitions of treasury stock	(200)	(250)
Proceeds from issuances of shares of common stock	19	9
Cash used for financing activities	(196)	(263)
Effect of foreign exchange rates on cash	(1)	1
Net increase in cash and cash equivalents	323	104
Cash and cash equivalents at beginning of period	207	267
Cash and cash equivalents at end of period	530	371
Non-cash operating activities:
Stock-based compensation expense	$ 50	$ 57