Retirement Benefit Plans - Additional Information (Details) $ in Millions	12 Months Ended
	Apr. 29, 2022 USD ($) fund	Apr. 30, 2021 USD ($)	Apr. 24, 2020 USD ($)	May 01, 2005 plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Cost of retirement benefit plans	$ 459	$ 668	$ 467
Net underfunded status of the plans	$ (74)	705
Incremental expense related to acceptance of voluntary early retirement packages		97
Cost of providing special and contractual termination benefits		11
Cash payments and administrative expense related to providing special and contractual termination benefits		2
Number of funds in process of liquidation | fund	0
Expense under defined contribution plans	$ 403	495	376
Treasury bond rate of guaranteed rate of return	10 years
Personal Investment Account
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Expense under defined contribution plans	$ 48	50	52
Medtronic Core Contribution
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Expense under defined contribution plans	$ 83	73	66
Partnerships | Minimum
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Range of notice period	45 days
Partnerships | Maximum
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Range of notice period	95 days
Private equity fund
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Private equity funds, unfunded commitments	$ 204
Private equity funds, estimated minimum liquidation period	1 year
Private equity funds, estimated maximum liquidation period	15 years
Real asset investments | Minimum
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Real asset investments, estimated liquidation and redemption period	30 days
Real asset investments | Maximum
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Real asset investments, estimated liquidation and redemption period	10 years
Real estate investments
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Number of funds in process of liquidation | fund	0
U.S.
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Number of new plans created | plan				2
Pension benefits | U.S.
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net underfunded status of the plans	$ (33)	319
Special termination benefits	0	73	0
Curtailment benefits recognized	$ 0	0	94
Target allocations	100.00%
Post-retirement benefit plans, fair value of plan assets	$ 3,559	3,660	2,982
Employer contributions	24	95
Estimated future employer contributions in next fiscal year	21
Post-retirement benefit plans, net periodic benefit cost, income	(39)	(116)	(64)
Post-retirement benefit plans, benefit obligations	3,526	3,979	3,723
Pension benefits | U.S. | Level 3
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Post-retirement benefit plans, fair value of plan assets	$ 1,011	860
Pension benefits | U.S. | Equity
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Target allocations	34.00%
Pension benefits | U.S. | Debt
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Target allocations	51.00%
Pension benefits | U.S. | Other
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Target allocations	15.00%
Pension benefits | Non-U.S.
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Net underfunded status of the plans	$ 8	394
Special termination benefits	0	0	0
Curtailment benefits recognized	11	4
Post-retirement benefit plans, fair value of plan assets	1,732	1,900	1,404
Employer contributions	70	149
Estimated future employer contributions in next fiscal year	52
Post-retirement benefit plans, net periodic benefit cost, income	(37)	(64)	(42)
Post-retirement benefit plans, benefit obligations	1,740	2,294	2,024
Pension benefits | Non-U.S. | Level 3
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Post-retirement benefit plans, fair value of plan assets	$ 43	49
Pension benefits | Non-U.S. | Equity
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Target allocations	41.00%
Pension benefits | Non-U.S. | Debt
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Target allocations	33.00%
Pension benefits | Non-U.S. | Other
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Target allocations	26.00%
Other post-retirement benefits
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Post-retirement benefit plans, fair value of plan assets	$ 325	345
Post-retirement benefit plans, net periodic benefit cost, income	20	6	$ 15
Post-retirement benefit plans, benefit obligations	$ 276	337
Other post-retirement benefits | U.S.
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Special termination benefits		$ 11