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INCOME TAXES - Unrecognized Tax Benefits (Details) - USD ($) $ in Millions | Apr. 29, 2018 | Oct. 29, 2017 | Apr. 30, 2017
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UNRECOGNIZED TAX BENEFITS |  |  |
Unrecognized tax benefits | $ 421 | $ 221 |
Unrecognized tax benefits affecting effective tax rate if recognized | 157 | $ 86 | $ 79
Reduction of unrecognized tax benefits reasonably possible in next 12 months | 160 |  |
Reduction of unrecognized tax benefits reasonably possible in the next 12 months affecting effective tax rate if recognized | $ 55 |  |

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- Definition The amount of decrease reasonably possible in the next twelve months for the unrecognized tax benefits that, if recognized, would affect the effective tax rate. + References No definition available. + Details
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- Definition Amount of decrease reasonably possible in the next twelve months for the unrecognized tax benefit. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (d)(3) -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32718-109319 + Details
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- Definition Amount of unrecognized tax benefits. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15A -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=84230637&loc=SL6600010-109319 + Details
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- Definition The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=84230637&loc=SL6600010-109319 + Details
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