ACQUISITION OF DAKO Proforma Consolidated Operating Results (Details) (Dako [Member], USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended
	Jan. 31, 2013
Dako [Member]
Business Acquisition
Net revenue	$ 1,731
Net income	$ 211
Net income per share - basic	$ 0.61
Net income per share - diluted	$ 0.60