Taxes on Earning (Details 6) (USD $)	12 Months Ended
	Oct. 31, 2014	Oct. 31, 2013	Oct. 31, 2012
Current and long-term deferred tax assets and deferred tax liabilities
Current deferred tax assets	$ 2,754,000,000	$ 3,893,000,000
Current deferred tax liabilities	(284,000,000)	(375,000,000)
Long-term deferred tax assets	740,000,000	1,346,000,000
Long-term deferred tax liabilities	(1,124,000,000)	(2,668,000,000)
Net deferred tax assets net of deferred tax liabilities	2,086,000,000	2,196,000,000
Tax deficiency from employee stock plans	43,000,000	149,000,000	175,000,000
Recognition of net long term deferred tax assets from intercompany licensing arrangement	1,300,000,000
Advance royalty proceeds received from intercompany licensing arrangements	10,400,000,000
Royalty to be earned in the fiscal years 2015 through 2029	9,900,000,000
Federal
Operating loss carryforwards
Operating loss carryforwards	858,000,000
State
Operating loss carryforwards
Operating loss carryforwards	4,200,000,000
Foreign
Operating loss carryforwards
Operating loss carryforwards	$ 29,700,000,000