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Derivative Instruments and Hedging Activities (Details Textual) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Apr. 26, 2015	Apr. 27, 2014	Apr. 26, 2015	Apr. 27, 2014	Oct. 26, 2014
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Time period for hedging of foreign currency transactions			24 months
Time period over which majority of after tax gain loss related to derivatives to be reclassified into earnings			12 months
Derivative [Line Items]
Loss (gain) on derivatives associated with announced business combination	$ 14	$ (23)	$ 92	$ 1
Tokyo Electron Limited [Member] \| Foreign exchange contracts [Member]
Derivative [Line Items]
Loss (gain) on derivatives associated with announced business combination	14	(23)	92	1
Contracts outstanding	5
Estimate of Fair Value Measurement [Member] \| Tokyo Electron Limited [Member] \| Fair Value, Measurements, Recurring [Member] \| Foreign exchange contracts [Member]
Derivative [Line Items]
Derivative Asset	$ 142		$ 142		$ 52