Taxes on Earnings (Details 6) - USD ($) $ in Millions	12 Months Ended
	Oct. 31, 2017	Oct. 31, 2016
Current and long term deferred tax assets and liabilities
Deferred tax assets	$ 4,663	$ 2,806
Deferred tax liabilities	(104)	(96)
Deferred tax assets net of deferred tax liabilities	4,559	2,710
Advance royalty proceeds received from multi-year intercompany licensing arrangements	439	$ 3,700
Federal
Operating loss carryforwards
Operating loss carryforwards	1,000
State
Operating loss carryforwards
Operating loss carryforwards	1,500
Foreign
Operating loss carryforwards
Operating loss carryforwards	$ 7,700
Maximum
Current and long term deferred tax assets and liabilities
Royalty recognition term	15 years
Minimum
Current and long term deferred tax assets and liabilities
Royalty recognition term	5 years