INCOME TAXES - Tax Reform (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
Jan. 27, 2019	Jan. 28, 2018	Oct. 28, 2018
U.S. Tax Reform
Federal corporate statutory tax rate (as a percent)	21.00%		23.30%
Discrete tax expense		$ 715	$ 414
Deemed earnings repatriation tax		$ 262	290
Accrued foreign withholding taxes on earnings of subsidiaries outside the U.S.			$ 63

Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB TOPIC 6.I)
-URI http://asc.fasb.org/extlink&oid=34349781&loc=d3e330036-122817

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 12
-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32687-109319

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 13
-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32698-109319

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