Restructuring Charges and Asset Impairments (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Jan. 26, 2014	Jan. 27, 2013
Restructuring Cost and Reserve [Line Items]
Restructuring charges and asset impairments	$ 7	$ 9
2012 Global Restructuring Plan [Member] | Severance and other employee-related costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges and asset impairments	7	4
2012 EES Restructuring Plan [Member] | Asset impairments [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges and asset impairments	0	3
Others [Member] | Severance and other employee-related costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges and asset impairments	$ 0	$ 2