Retirement Benefit Plans - Change in Benefit Obligation and Funded Status (Details) - USD ($) $ in Millions	12 Months Ended
	Apr. 29, 2022	Apr. 30, 2021	Apr. 24, 2020
Funded status at end of year:
Over (under) funded status of the plans	$ 74	$ (705)
Amounts recognized on the consolidated balance sheets consist of:
Non-current liabilities	(1,113)	(1,557)
Pension benefits
Plans with accumulated benefit obligations in excess of plan assets
Accumulated benefit obligation	830	5,089
Projected benefit obligation	880	5,198
Plan assets at fair value	356	4,561
Plans with projected benefit obligations in excess of plan assets
Projected benefit obligation	907	5,921
Plan assets at fair value	379	5,159
U.S. Pension Benefits | Pension benefits
Defined Benefit Plan Disclosure [Line items]
Accumulated benefit obligation at end of year	3,396	3,786
Change in projected benefit obligation:
Projected benefit obligation at beginning of year	3,979	3,723
Service cost	98	106	$ 106
Interest cost	102	109	126
Employee contributions	0	0
Plan curtailments and settlements	0	0	(94)
Actuarial (gain) loss	(513)	99
Benefits paid	(141)	(129)
Special termination benefits	0	73
Currency exchange rate changes and other	0	0
Projected benefit obligation at end of year	3,526	3,979	3,723
Change in plan assets:
Fair value of plan assets at beginning of year	3,660	2,982
Actual return on plan assets	15	715
Employer contributions	24	95
Employee contributions	0	0
Plan settlements	0	0
Benefits paid	(141)	(129)
Currency exchange rate changes and other	0	0
Fair value of plan assets at end of year	3,559	3,660	2,982
Funded status at end of year:
Fair value of plan assets	3,559	3,660	2,982
Benefit obligations	3,526	3,979	3,723
Over (under) funded status of the plans	33	(319)
Recognized asset (liability)	33	(319)
Amounts recognized on the consolidated balance sheets consist of:
Non-current assets	313	110
Current liabilities	(21)	(20)
Non-current liabilities	(259)	(408)
Recognized asset (liability)	33	(319)
Amounts recognized in accumulated other comprehensive loss:
Prior service cost (credit)	0	0
Net actuarial loss	854	1,220
Ending balance	854	1,220
Non-U.S. Pension Benefits | Pension benefits
Defined Benefit Plan Disclosure [Line items]
Accumulated benefit obligation at end of year	1,638	2,035
Change in projected benefit obligation:
Projected benefit obligation at beginning of year	2,294	2,024
Service cost	64	70	59
Interest cost	26	28	28
Employee contributions	12	12
Plan curtailments and settlements	(11)	(4)
Actuarial (gain) loss	(394)	6
Benefits paid	(48)	(41)
Special termination benefits	0	0
Currency exchange rate changes and other	(203)	200
Projected benefit obligation at end of year	1,740	2,294	2,024
Change in plan assets:
Fair value of plan assets at beginning of year	1,900	1,404
Actual return on plan assets	(12)	232
Employer contributions	70	149
Employee contributions	12	12
Plan settlements	(1)	(4)
Benefits paid	(48)	(41)
Currency exchange rate changes and other	(188)	149
Fair value of plan assets at end of year	1,732	1,900	1,404
Funded status at end of year:
Fair value of plan assets	1,732	1,900	1,404
Benefit obligations	1,740	2,294	$ 2,024
Over (under) funded status of the plans	(8)	(394)
Recognized asset (liability)	(8)	(394)
Amounts recognized on the consolidated balance sheets consist of:
Non-current assets	240	48
Current liabilities	(6)	(6)
Non-current liabilities	(242)	(436)
Recognized asset (liability)	(8)	(394)
Amounts recognized in accumulated other comprehensive loss:
Prior service cost (credit)	(4)	(6)
Net actuarial loss	161	530
Ending balance	$ 157	$ 524