Consolidated Statements Of Income (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Income Statement [Abstract]
Net sales	$ 664	$ 637	$ 1,329	$ 1,269
Cost of products sold	324	306	634	602
Gross profit	340	331	695	667
Selling, general and administrative expenses	151	151	311	299
Research and development expenses	18	18	36	36
Restructuring costs	4	2	4	5
Acquisition transaction costs	0	0	5	0
Operating income	167	160	339	327
Interest, net	1	2	2	4
Income before income taxes	166	158	337	323
Provision for income taxes	51	45	105	91
Net income	$ 115	$ 113	$ 232	$ 232
Net income per share - Basic	$ 0.95	$ 0.93	$ 1.92	$ 1.90
Net income per share - Diluted	$ 0.94	$ 0.91	$ 1.90	$ 1.87
Weighted average number of shares outstanding - Basic	121	122	121	122
Weighted average number of shares outstanding - Diluted	122	124	122	124
Dividends per share	$ 0.20	$ 0.18	$ 0.40	$ 0.36