Acquisitions - Reconciliation of Beginning and Ending Balances of Contingent Consideration (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Oct. 30, 2020	Oct. 25, 2019	Oct. 30, 2020	Oct. 25, 2019
Reconciliation of Beginning and Ending Balances of Contingent Milestone Payments [Roll Forward]
Beginning balance	$ 297	$ 269	$ 280	$ 222
Purchase price contingent consideration	158	7	158	65
Payments	(1)	(15)	(2)	(29)
Change in fair value	7	(1)	25	2
Ending balance	$ 461	$ 260	$ 461	$ 260