Goodwill (Details) - USD ($)	3 Months Ended	12 Months Ended
Apr. 26, 2020	Jan. 26, 2020
Goodwill [Line Items]
Goodwill impairment		$ 0
Goodwill	$ 628,000,000	$ 618,000,000
Goodwill, additions through acquisition activity	10,000,000
Graphics
Goodwill [Line Items]
Goodwill	347,000,000
Compute & Networking
Goodwill [Line Items]
Goodwill	$ 281,000,000

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

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Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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