Cash, Cash Equivalents and Investments (Details 1) (USD $)	3 Months Ended			6 Months Ended
	Apr. 28, 2013		Apr. 29, 2012	Apr. 28, 2013		Apr. 29, 2012
Contractual maturities of investments
Due in one year or less, Cost	$ 189,000,000			$ 189,000,000
Due after one through five years, Cost	689,000,000			689,000,000
No single maturity date, Cost	393,000,000	[1]		393,000,000	[1]
Investments maturities, Cost	1,271,000,000			1,271,000,000
Due in one year or less, Estimated Fair Value	189,000,000			189,000,000
Due after one through five years, Estimated Fair Value	695,000,000			695,000,000
No single maturity date, Estimated Fair Value	421,000,000	[1]		421,000,000	[1]
Investments maturities, Estimated Fair Value	1,305,000,000			1,305,000,000
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	$ 2,000,000		$ 3,000,000	$ 2,000,000		$ 3,000,000

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