Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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

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Amount, after accumulated amortization, of debt discount.

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Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Borrowing Facilities and Debt - Debt Outstanding (Details) - USD ($) $ in Millions	Jul. 26, 2020	Jun. 30, 2020	Oct. 27, 2019
Debt Instrument [Line Items]
Current portion of long-term debt	$ 0		$ 600
Total long-term senior notes	5,447		4,713
Total debt	5,447		5,313
Senior Notes
Debt Instrument [Line Items]
Long-term debt, principal amount	5,500		4,750
Total unamortized discount	(15)		(10)
Total unamortized debt issuance costs	(38)		(27)
Senior Notes \| 2.625% Senior Notes Due 2020
Debt Instrument [Line Items]
Stated interest rate (as percent)		2.625%
Current portion of long-term debt	0		600
Effective Interest Rate		2.64%
Senior Notes \| 4.300% Senior Notes Due 2021
Debt Instrument [Line Items]
Stated interest rate (as percent)		4.30%
Long-term debt, principal amount	$ 0		750
Effective Interest Rate		4.326%
Senior Notes \| 3.900% Senior Notes Due 2025
Debt Instrument [Line Items]
Stated interest rate (as percent)	3.90%
Long-term debt, principal amount	$ 700		700
Effective Interest Rate	3.944%
Senior Notes \| 3.300% Senior Notes Due 2027
Debt Instrument [Line Items]
Stated interest rate (as percent)	3.30%
Long-term debt, principal amount	$ 1,200		1,200
Effective Interest Rate	3.342%
Senior Notes \| 1.750% Senior Notes Due 2030
Debt Instrument [Line Items]
Stated interest rate (as percent)	1.75%
Long-term debt, principal amount	$ 750		0
Effective Interest Rate	1.792%
Senior Notes \| 5.100% Senior Notes Due 2035
Debt Instrument [Line Items]
Stated interest rate (as percent)	5.10%
Long-term debt, principal amount	$ 500		500
Effective Interest Rate	5.127%
Senior Notes \| 5.850% Senior Notes Due 2041
Debt Instrument [Line Items]
Stated interest rate (as percent)	5.85%
Long-term debt, principal amount	$ 600		600
Effective Interest Rate	5.879%
Senior Notes \| 4.350% Senior Notes Due 2047
Debt Instrument [Line Items]
Stated interest rate (as percent)	4.35%
Long-term debt, principal amount	$ 1,000		1,000
Effective Interest Rate	4.361%
Senior Notes \| 2.750% Senior Notes Due 2050
Debt Instrument [Line Items]
Stated interest rate (as percent)	2.75%
Long-term debt, principal amount	$ 750		$ 0
Effective Interest Rate	2.773%