Fair value portion of investments accounted under the cost method.

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Amount of transfers of assets measured on a recurring basis out of Level 1 of the fair value hierarchy into Level 2.

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Amount of transfers of assets measured on a recurring basis out of Level 2 of the fair value hierarchy into Level 1.

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Fair value portion of investment securities, including, but not limited to, marketable securities, derivative financial instruments, and investments accounted for under the equity method.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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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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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 (Details Textual) - USD ($)	Jan. 29, 2017	Oct. 30, 2016	Jan. 31, 2016
Schedule of Investment Income, Reported Amounts, by Category [Line Items]
Fair value of transfers from level one to level two	$ 0		$ 0
Fair value of transfers from level two to level one	0		0
Recurring fair value measurements
Schedule of Investment Income, Reported Amounts, by Category [Line Items]
Investment securities	3,670,000,000	$ 3,505,000,000
Recurring fair value measurements \| Level 2
Schedule of Investment Income, Reported Amounts, by Category [Line Items]
Investment securities	1,982,000,000	1,442,000,000
Recurring fair value measurements \| Level 3
Schedule of Investment Income, Reported Amounts, by Category [Line Items]
Investment securities	0		$ 0
Carrying amount
Schedule of Investment Income, Reported Amounts, by Category [Line Items]
Long-term debt	3,100,000,000	3,100,000,000
Estimated fair value \| Level 2
Schedule of Investment Income, Reported Amounts, by Category [Line Items]
Long-term debt	3,400,000,000	3,500,000,000
Asset-backed and mortgage-backed securities \| Recurring fair value measurements
Schedule of Investment Income, Reported Amounts, by Category [Line Items]
Investment securities	264,000,000	253,000,000
Asset-backed and mortgage-backed securities \| Recurring fair value measurements \| Level 2
Schedule of Investment Income, Reported Amounts, by Category [Line Items]
Investment securities	264,000,000	253,000,000
Short Term And Long Term Investments \| Carrying amount \| Equity investments in privately-held companies
Schedule of Investment Income, Reported Amounts, by Category [Line Items]
Equity investments in privately-held companies measured on non-recurring basis	64,000,000	70,000,000
Short Term And Long Term Investments \| Portion at cost \| Equity investments in privately-held companies
Schedule of Investment Income, Reported Amounts, by Category [Line Items]
Equity investments in privately-held companies measured on non-recurring basis	56,000,000	62,000,000
Short Term And Long Term Investments \| Estimated fair value \| Equity investments in privately-held companies \| Nonrecurring fair value measurements \| Level 3
Schedule of Investment Income, Reported Amounts, by Category [Line Items]
Equity investments in privately-held companies measured on non-recurring basis	$ 8,000,000	$ 8,000,000