Retirement Benefit Plans - Net Periodic Cost and AOCI (Details) - Pension benefits - USD ($) $ in Millions	12 Months Ended
	Apr. 28, 2023	Apr. 29, 2022	Apr. 30, 2021
UNITED STATES
Net Periodic Benefit Cost
Service cost	$ 77	$ 98	$ 106
Interest cost	142	102	109
Expected return on plan assets	(224)	(226)	(242)
Amortization of prior service cost	0	0	1
Amortization of net actuarial loss	20	64	69
Settlement and curtailment (gain) loss	0	0	0
Special termination benefits	74	0	73
Net periodic benefit cost	89	39	116
Amounts Recognized in AOCI
Net actuarial loss (gain)	58
Prior service cost (credit)	(19)
Amortization of prior service credit	0
Amortization and settlement recognition of actuarial loss	(20)
Effect of exchange rates	0
Total recognized in other comprehensive income	19
Total recognized in net periodic benefit cost and other comprehensive income	108
Non-U.S. Pension Benefits
Net Periodic Benefit Cost
Service cost	43	64	70
Interest cost	38	26	28
Expected return on plan assets	(58)	(64)	(59)
Amortization of prior service cost	(1)	(1)	(1)
Amortization of net actuarial loss	2	22	25
Settlement and curtailment (gain) loss	2	(10)	1
Special termination benefits	0	0	0
Net periodic benefit cost	26	$ 37	$ 64
Amounts Recognized in AOCI
Net actuarial loss (gain)	(82)
Prior service cost (credit)	0
Amortization of prior service credit	1
Amortization and settlement recognition of actuarial loss	(4)
Effect of exchange rates	3
Total recognized in other comprehensive income	(82)
Total recognized in net periodic benefit cost and other comprehensive income	$ (57)