CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Oct. 25, 2019	Oct. 26, 2018	Oct. 25, 2019	Oct. 26, 2018
Statement Of Income And Comprehensive Income [Abstract]
Net income	$ 243	$ 241	$ 346	$ 524
Other comprehensive income (loss):
Foreign currency translation adjustments	(1)	(3)	(2)	(3)
Defined benefit obligations:
Reclassification adjustments related to defined benefit obligations	(1)	(1)	(1)	(1)
Income tax effect	1	0	1	0
Unrealized gains (losses) on available-for-sale securities:
Unrealized holding gains (losses) arising during the period	2	(1)	22	(1)
Reclassification adjustments for gains included in net income	0	0	(14)	0
Unrealized gains on cash flow hedges:
Unrealized holding gains arising during the period	2	0	1	0
Other comprehensive income (loss)	3	(5)	7	(5)
Comprehensive income	$ 246	$ 236	$ 353	$ 519

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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