CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) - USD ($) $ in Millions	3 Months Ended
Jul. 31, 2020	Jul. 26, 2019
Statement Of Income And Comprehensive Income [Abstract]
Net income	$ 77	$ 103
Other comprehensive income:
Foreign currency translation adjustments	9	(1)
Unrealized gains on available-for-sale securities:
Unrealized holding gains arising during the period	2	20
Reclassification adjustments for gains included in net income	0	(14)
Unrealized losses on cash flow hedges:
Unrealized holding losses arising during the period	(9)	(1)
Reclassification adjustments for losses included in net income	1	0
Other comprehensive income	3	4
Comprehensive income	$ 80	$ 107

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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Amount before tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.

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