Retirement Benefit Plans - Net Periodic Cost and AOCI (Details) - Pension benefits - USD ($) $ in Millions	12 Months Ended
	Apr. 29, 2022	Apr. 30, 2021	Apr. 24, 2020
U.S. Pension Benefits
Net Periodic Benefit Cost
Service cost	$ 98	$ 106	$ 106
Interest cost	102	109	126
Expected return on plan assets	(226)	(242)	(225)
Amortization of prior service cost	0	1	1
Amortization of net actuarial loss	64	69	56
Settlement and curtailment (gain) loss	0	0	0
Special termination benefits	0	73	0
Net periodic benefit cost	39	116	64
Amounts Recognized in AOCI
Net actuarial gain	(303)
Amortization of prior service credit	0
Amortization and settlement recognition of actuarial loss	(64)
Effect of exchange rates	0
Total recognized in other comprehensive income	(367)
Total recognized in net periodic benefit cost and other comprehensive income	(328)
Non-U.S. Pension Benefits
Net Periodic Benefit Cost
Service cost	64	70	59
Interest cost	26	28	28
Expected return on plan assets	(64)	(59)	(58)
Amortization of prior service cost	(1)	(1)	(1)
Amortization of net actuarial loss	22	25	14
Settlement and curtailment (gain) loss	(10)	1	0
Special termination benefits	0	0	0
Net periodic benefit cost	37	$ 64	$ 42
Amounts Recognized in AOCI
Net actuarial gain	(317)
Amortization of prior service credit	1
Amortization and settlement recognition of actuarial loss	(22)
Effect of exchange rates	(29)
Total recognized in other comprehensive income	(367)
Total recognized in net periodic benefit cost and other comprehensive income	$ (331)