Taxes on Earnings - Deferred Income Taxes (Narrative) (Details) $ in Millions		12 Months Ended
	Nov. 01, 2014 company	Oct. 31, 2016 USD ($)	Oct. 31, 2015 USD ($)	Oct. 31, 2014 USD ($)	Oct. 31, 2013 USD ($)
Income Tax Disclosure [Abstract]
Excess tax benefits (deficits)		$ 0	$ 64	$ (43)
Advance royalty proceeds received from multi-year intercompany licensing arrangements		1,200	3,800	3,800
Recognition of net long term deferred tax assets		$ 0	$ 0	$ 600
Royalty recognition term		18 months	5 years	15 years
Number of independent publicly-traded companies | company	2
Deferred Income Taxes [Line Items]
Valuation allowance for deferred tax assets		$ 8,520	$ 7,114	$ 8,231	$ 8,196
Capital loss carryforwards
Deferred Income Taxes [Line Items]
Capital loss carryforwards		197
Federal
Deferred Income Taxes [Line Items]
Operating loss carryforwards		627
State
Deferred Income Taxes [Line Items]
Operating loss carryforwards		2,000
Foreign
Deferred Income Taxes [Line Items]
Operating loss carryforwards		25,300
Operating loss carryforwards | State
Deferred Income Taxes [Line Items]
Valuation allowance for deferred tax assets		87
Operating loss carryforwards | Foreign
Deferred Income Taxes [Line Items]
Valuation allowance for deferred tax assets		$ 8,200