Segment Information - Reconciling Items (Details) - USD ($) $ in Millions	3 Months Ended
Apr. 26, 2020	Apr. 28, 2019
Segment Reporting Information [Line Items]
Stock-based compensation expense	$ (224)	$ (178)
Income from operations	976	358
All Other
Segment Reporting Information [Line Items]
Stock-based compensation expense	(224)	(178)
Unallocated cost of revenue and operating expenses	(82)	(70)
Acquisition-related and other costs	(5)	(10)
Legal settlement costs	0	(11)
Income from operations	$ (311)	$ (269)

Other acquisition related costs

No definition available.

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- Definition

unallocated corporate opex and other expenses

+ References

No definition available.

+ Details

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- Definition

The amount of expense provided in the period for legal costs incurred on or before the balance sheet date pertaining to resolved, pending or threatened litigation, including arbitration and mediation proceedings.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.3)
-URI http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227

+ Details

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- Definition

The net result for the period of deducting operating expenses from operating revenues.

+ References

No definition available.

+ Details

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- Definition

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.

+ References

No definition available.

+ Details

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- Definition

Amount of noncash expense for share-based payment arrangement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585

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