Employee Benefit Plans (Fair Value of Plan Assets) (Details) (USD $) In Millions, unless otherwise specified	Oct. 26, 2014	Oct. 27, 2013	Oct. 28, 2012
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan of assets	$ 268	$ 248	$ 214
Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan of assets	55	40
Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan of assets	172	161
Level 3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan of assets	41	47	49
Equity securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan of assets	104	92
Equity securities [Member] | Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan of assets	38	27
Equity securities [Member] | Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan of assets	66	65
Equity securities [Member] | Level 3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan of assets	0	0
Debt securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan of assets	102	90
Debt securities [Member] | Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan of assets	8	6
Debt securities [Member] | Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan of assets	94	84
Debt securities [Member] | Level 3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan of assets	0	0
Insurance contracts [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan of assets	41	47
Insurance contracts [Member] | Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan of assets	0	0
Insurance contracts [Member] | Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan of assets	0	0
Insurance contracts [Member] | Level 3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan of assets	41	47
Other Investments [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan of assets	12	12
Other Investments [Member] | Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan of assets	0	0
Other Investments [Member] | Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan of assets	12	12
Other Investments [Member] | Level 3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan of assets	0	0
Cash [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan of assets	9	7
Cash [Member] | Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan of assets	9	7
Cash [Member] | Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan of assets	0	0
Cash [Member] | Level 3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan of assets	$ 0	$ 0