Increase (Decrease) In Contract With Customer, Refund Liability

No definition available.

Name:	mdt_IncreaseDecreaseInContractWithCustomerRefundLiability
Namespace Prefix:	mdt_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable.

+ References

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+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as current.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
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+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as noncurrent.

+ References

+ Details

Name:	us-gaap_ContractWithCustomerLiabilityNoncurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount of liability for consideration received or receivable from customer which is not included in transaction price, when consideration is expected to be refunded to customer.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 606
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-URI https://asc.fasb.org/1943274/2147479777/606-10-55-27

+ Details

Name:	us-gaap_ContractWithCustomerRefundLiability
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of liability for consideration received or receivable from customer which is not included in transaction price, when consideration is expected to be refunded to customer, classified as current.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Balance Type:	na
Period Type:	duration

- Definition

Amount of transaction price allocated to performance obligation that has not been recognized as revenue.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Period in which remaining performance obligation is expected to be recognized as revenue, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Period Type:

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- Details

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Period Type:

Revenue - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		12 Months Ended
Revenue - Narrative (Details) - USD ($) $ in Millions	Jul. 31, 2026	Jul. 25, 2025	Apr. 24, 2026	Apr. 25, 2025
Disaggregation of Revenue [Line Items]
Accrued rebates	$ 42		$ 45	$ 51
Accrued rebates, noncurrent			2	38
Deferred revenue	19		19	15
Deferred income, current	14		15	11
Deferred income, noncurrent	5		4	3
Revenue recognized that was previously included in deferred revenue	7	$ 4	10	13
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2026-04-25
Disaggregation of Revenue [Line Items]
Estimated revenue expected to be recognized in future periods related to unsatisfied performance obligations			$ 39
Period over which remaining performance obligations are expected to be recognized as revenue			3 years
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2026-08-01
Disaggregation of Revenue [Line Items]
Estimated revenue expected to be recognized in future periods related to unsatisfied performance obligations	$ 46
Period over which remaining performance obligations are expected to be recognized as revenue	3 years
Italy
Disaggregation of Revenue [Line Items]
Accrued rebates				15
Accrued rebates, noncurrent				38
Increase (decrease) in refund accruals	$ 0	$ (7)	$ (7)	20
Balance Sheet Location [Axis]: us-gaap:OtherLiabilitiesCurrent
Disaggregation of Revenue [Line Items]
Return reserves	$ 5		$ 6	$ 5