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FAIR VALUE MEASUREMENTS - Recurring, Level 3 Measurements (Details) - Assets and Liabilities Measured at Fair Value on a Recurring Basis - Level 3 - USD ($) $ in Millions | 3 Months Ended
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Jan. 28, 2018 | Jan. 29, 2017
Fair Value, Recurring Level 3 Measurements from Available-for-Sale Marketable Securities |  |
Beginning of period balance | $ 17 | $ 28
Principal payments | (2) | (6)
Change in unrealized gain (loss) |  | 1
End of period balance | $ 15 | $ 23

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- Definition Amount of principal payments received from financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References No definition available. + Details
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
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- Definition Amount of gain (loss) recognized in other comprehensive income (loss) for financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1a) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 + Details
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- Definition Fair value of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 + Details
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