Cash, Cash Equivalents and Investments (Details 1) (USD $)	3 Months Ended			6 Months Ended
	Apr. 27, 2014		Apr. 28, 2013	Apr. 27, 2014		Apr. 28, 2013
Contractual maturities of investments
Due in one year or less, Cost	$ 124,000,000			$ 124,000,000
Due after one through five years, Cost	488,000,000			488,000,000
No single maturity date, Cost	334,000,000	[1]		334,000,000	[1]
Investments maturities, Cost	946,000,000			946,000,000
Due in one year or less, Estimated Fair Value	124,000,000			124,000,000
Due after one through five years, Estimated Fair Value	490,000,000			490,000,000
No single maturity date, Estimated Fair Value	368,000,000	[1]		368,000,000	[1]
Investments maturities, Estimated Fair Value	982,000,000			982,000,000
Gross realized gains				12,000,000
Marketable securities [Member]
Contractual maturities of investments
Investment impairments	0		0	0		0
Equity investments in privately-held companies [Member]
Contractual maturities of investments
Investment impairments	$ 3,000,000		$ 2,000,000	$ 6,000,000		$ 2,000,000

[1] Securities with no single maturity date include publicly-traded and privately-held equity securities, and asset-backed and mortgage-backed securities.