Borrowing Facilities and Long-Term Debt (Details) (USD $) In Millions, unless otherwise specified	Jul. 29, 2012		Oct. 30, 2011
Schedule of Long term debt
Principal amount	$ 1,950		$ 1,951
Less unamortized discount	(4)		(4)
Total long-term debt	1,946	[1]	1,947	[1]
2.650% Unsecured Senior Notes Due 2016, Interest Payable June 15 and December 15 [Member]
Schedule of Long term debt
Principal amount	400		400
Debt, interest rate, stated percentage	2.65%		2.65%
Debt, interest rate, effective percentage	2.666%		2.666%
Interest Pay Date	--06-15		--06-15
Interest Pay Date	--12-15		--12-15
7.125% Unsecured Senior Notes Due 2017, Interest Payable April 15 and October 15 [Member]
Schedule of Long term debt
Principal amount	200		200
Debt, interest rate, stated percentage	7.125%		7.125%
Debt, interest rate, effective percentage	7.19%		7.19%
Interest Pay Date	--04-15		--04-15
Interest Pay Date	--10-15		--10-15
4.300% Unsecured Senior Notes Due 2021, Interest Payable June 15 and December 15 [Member]
Schedule of Long term debt
Principal amount	750		750
Debt, interest rate, stated percentage	4.30%		4.30%
Debt, interest rate, effective percentage	4.326%		4.326%
Interest Pay Date	--06-15		--06-15
Interest Pay Date	--12-15		--12-15
5.850% Unsecured Senior Notes Due 2041, Interest Payable June 15 and December 15 [Member]
Schedule of Long term debt
Principal amount	600		600
Debt, interest rate, stated percentage	5.85%		5.85%
Debt, interest rate, effective percentage	5.879%		5.879%
Interest Pay Date	--06-15		--06-15
Interest Pay Date	--12-15		--12-15
Other debt [Member]
Schedule of Long term debt
Principal amount	$ 0		$ 1

[1] Amounts as of July 29, 2012 are unaudited. Amounts as of October 30, 2011 are derived from the October 30, 2011 audited consolidated financial statements.