Derivatives and Currency Exchange Risk Management - Derivative (Gains) Losses Designated as Hedging Instruments (Details) - USD ($) $ in Millions	12 Months Ended
	Apr. 29, 2022	Apr. 30, 2021	Apr. 24, 2020
Derivative Instruments, (Gain) Loss [Line Items]
Total	$ (3,234)	$ 2,321	$ (802)
Total	(83)	(2)	(344)
Other operating expense, net
Derivative Instruments, (Gain) Loss [Line Items]
Net investment hedges	(2,299)	1,694	(405)
Net investment hedges	0	0	(9)
Currency exchange rate contracts | Other operating expense, net
Derivative Instruments, (Gain) Loss [Line Items]
(Gain) Loss Recognized in Accumulated Other Comprehensive Income	(953)	519	(397)
(Gain) Loss Reclassified into Income	(144)	(17)	(335)
Currency exchange rate contracts | Cost of products sold
Derivative Instruments, (Gain) Loss [Line Items]
(Gain) Loss Recognized in Accumulated Other Comprehensive Income	18	108	0
(Gain) Loss Reclassified into Income	$ 61	$ 15	$ 0