Restructuring Charges and Asset Impairments (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended					6 Months Ended
	Apr. 27, 2014		Jan. 26, 2014	Apr. 28, 2013		Apr. 27, 2014		Apr. 28, 2013
Restructuring Cost and Reserve [Line Items]
Restructuring charges and asset impairments	$ 0			$ 10		$ 7		$ 19
2012 Global Restructuring Plan [Member] | Severance and other employee-related costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges and asset impairments	0		7	4		7		8
2012 EES Restructuring Plan [Member] | Severance and other employee-related costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges and asset impairments	0	[1]		2	[1]	0	[1]	2	[1]
2012 EES Restructuring Plan [Member] | Contract cancellation and other costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges and asset impairments	0			2		0		2
2012 EES Restructuring Plan [Member] | Asset impairments [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges and asset impairments	0			2		0		5
Others [Member] | Severance and other employee-related costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges and asset impairments	$ 0			$ 0		$ 0		$ 2

[1] Includes post-retirement benefit expense which was recorded in accumulated other comprehensive loss.