Consolidated Statements Of Cash Flows (USD $) In Millions, unless otherwise specified	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Cash flows from operating activities:
Net income	$ 241	$ 232
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	69	67
Deferred income taxes	(3)	23
Stock-based compensation expense	13	9
Other	(9)	(3)
Changes in operating assets and liabilities:
Accounts receivable	(62)	(45)
Inventories	(1)	(28)
Accounts payable	(5)	(4)
Income taxes	3	(20)
Other, net	23	(5)
Net cash provided by operating activities	269	226
Cash flows from investing activities:
Capital expenditures	(49)	(58)
Purchases of investments	(75)	(61)
Proceeds from sales of investments	44	40
Acquisitions of businesses, net of cash acquired	0	(389)
Proceeds from Divestiture of Businesses	9	0
Other, net	(1)	(5)
Net cash used in investing activities	(72)	(473)
Cash flows from financing activities:
Net issuance/(repayment) of short-term debt	(254)	227
Dividends	(52)	(49)
Share repurchases	(56)	(50)
Proceeds from exercise of stock options	19	21
Excess tax benefits from stock-based payments	5	8
Net cash provided by/(used in) financing activities	(338)	157
Effect of foreign currency exchange rate changes on cash	(21)	(3)
Net change in cash and cash equivalents	(162)	(93)
Cash and cash equivalents at January 1	724	665
Cash and cash equivalents at June 30	562	572
Supplemental disclosures of cash flow information:
Income taxes paid	84	90
Interest paid, net of capitalized interest	$ 5	$ 4