Consolidated Statements Of Cash Flows (USD $) In Millions, unless otherwise specified	9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011
Cash flows from operating activities:
Net income	$ 344	$ 349
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	101	79
Deferred income taxes	23	4
Stock-based compensation expense	13	13
Other	(5)	0
Changes in operating assets and liabilities:
Accounts receivable	(38)	(46)
Inventories	(43)	(45)
Accounts payable	(6)	6
Income taxes	(17)	(2)
Other, net	7	15
Net cash provided by operating activities	379	373
Cash flows from investing activities:
Capital expenditures	(89)	(73)
Purchases of short-term investments	(77)	(29)
Proceeds from sales of short-term investments	81	20
Acquisitions of businesses, net of cash acquired	(389)	(75)
Other, net	(6)	(1)
Net cash used in investing activities	(480)	(158)
Cash flows from financing activities:
Net issuance/(repayment) of short-term debt	152	29
Dividends	(73)	(65)
Share repurchases	(99)	(134)
Proceeds from exercise of stock options	31	27
Excess tax benefits from stock-based payments	10	5
Net cash provided by/(used in) financing activities	21	(138)
Effect of exchange rate changes on cash	4	(3)
Net change in cash and cash equivalents	(76)	74
Cash and cash equivalents at January 1	665	569
Cash and cash equivalents at September 30	589	643
Supplemental disclosures of cash flow information:
Income taxes paid	130	125
Interest paid, net of capitalized interest	$ 4	$ 6