Borrowing Facilities and Long-Term Debt (Details) (USD $) In Millions, unless otherwise specified	Oct. 26, 2014	Oct. 27, 2013
Schedule of Long term debt
Total long-term debt	$ 1,947us-gaap_LongTermDebtNoncurrent	$ 1,946us-gaap_LongTermDebtNoncurrent
Senior Notes [Member]
Schedule of Long term debt
Principal amount	1,950	1,950
Total unamortized discount	(3)	(4)
Total long-term debt	1,947	1,946
Senior Notes [Member] \| 2.650% Senior Notes Due 2016 [Member]
Schedule of Long term debt
Stated Interest Rate	2.65%	2.65%
Effective Interest Rate	2.666%	2.666%
Principal amount	400	400
Senior Notes [Member] \| 7.125% Senior Notes Due 2017 [Member]
Schedule of Long term debt
Stated Interest Rate	7.125%	7.125%
Effective Interest Rate	7.19%	7.19%
Principal amount	200	200
Senior Notes [Member] \| 4.300% Senior Notes Due 2021 [Member]
Schedule of Long term debt
Stated Interest Rate	4.30%	4.30%
Effective Interest Rate	4.326%	4.326%
Principal amount	750	750
Senior Notes [Member] \| 5.850% Senior Notes Due 2041 [Member]
Schedule of Long term debt
Stated Interest Rate	5.85%	5.85%
Effective Interest Rate	5.879%	5.879%
Principal amount	$ 600	$ 600

Amount of long-term debt before deduction of unamortized discount or premium. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, with initial maturities beyond one year or the normal operating cycle, if longer.

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Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

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-Publisher FASB

-Name Accounting Standards Codification

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Contractual interest rate for funds borrowed, under the debt agreement.

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-Publisher SEC

-Name Regulation S-X (SX)

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The amount of debt discount that was originally recognized at the issuance of the instrument that has yet to be amortized.

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Carrying amount of long-term debt, net of unamortized discount or premium, excluding amounts to be repaid within one year or the normal operating cycle, if longer (current maturities). Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

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