Consolidated Statements Of Income (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Income Statement [Abstract]
Net sales	$ 639	$ 626	$ 1,968	$ 1,895
Cost of Goods and Services Sold	315	293	949	895
Gross profit	324	333	1,019	1,000
Selling, general and administrative expenses	147	152	458	451
Research and development expenses	17	18	53	54
Restructuring costs	4	3	8	8
Acquisition transaction costs	0	0	5	0
Operating income	156	160	495	487
Interest, net	1	2	3	6
Income before income taxes	155	158	492	481
Provision for income taxes	43	41	148	132
Net income	$ 112	$ 117	$ 344	$ 349
Net income per share - Basic	$ 0.93	$ 0.97	$ 2.84	$ 2.86
Net income per share - Diluted	$ 0.92	$ 0.95	$ 2.82	$ 2.84
Weighted average number of shares outstanding - Basic	121	121	121	122
Weighted average number of shares outstanding - Diluted	122	123	122	123
Dividends per share	$ 0.20	$ 0	$ 0.60	$ 0.54