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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The amount by which the fair value of an investment is less than the amortized cost basis or carrying amount of that investment at the balance sheet date and the decline in fair value is deemed to be other than temporary, before considering whether or not such amount is recognized in earnings or other comprehensive income.

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The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

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The cumulative amount of the reporting entity's undistributed earnings or deficit.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Fair Value Measurements (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
	Oct. 27, 2019	Oct. 28, 2018	Oct. 29, 2017	Oct. 29, 2018
Schedule of Investment Income, Reported Amounts, by Category [Line Items]
Retained earnings	$ 24,386	$ 20,880
Long-term debt principal amount	4,800	5,400
Accounting Standards Update 2016-01
Schedule of Investment Income, Reported Amounts, by Category [Line Items]
Retained earnings				$ 21
Equity investments in privately-held companies
Schedule of Investment Income, Reported Amounts, by Category [Line Items]
Impairments of investments	1	5	$ 10
Estimate of Fair Value Measurement \| Level 2
Schedule of Investment Income, Reported Amounts, by Category [Line Items]
Long-term debt fair value	$ 5,500	$ 5,400