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Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Assets, Including Goodwill

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Amount of liability recognized arising from contingent consideration in a business combination.

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The amount of identifiable intangible assets recognized as of the acquisition date.

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The amount of inventory recognized as of the acquisition date.

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Amount of liabilities assumed at the acquisition date.

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Amount recognized for assets, including goodwill, in excess of (less than) the aggregate liabilities assumed.

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Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Acquisitions - Narrative (Details) - USD ($) $ in Millions	3 Months Ended
Acquisitions - Narrative (Details) - USD ($) $ in Millions	Jul. 26, 2019	Jul. 27, 2018	Apr. 26, 2019	Apr. 27, 2018
Business Acquisition [Line Items]
Goodwill	$ 40,082		$ 39,959
Contingent consideration liabilities in connection with business combinations	58	$ 35
Purchase accounting adjustments. increase to goodwill	5
Contingent consideration liabilities	269	208	222	$ 173
Other accrued expenses
Business Acquisition [Line Items]
Contingent consideration liabilities	64		73
Other liabilities
Business Acquisition [Line Items]
Contingent consideration liabilities	205		$ 149
Series of Individually Immaterial Business Acquisitions
Business Acquisition [Line Items]
Net assets acquired	206	150
Total assets acquired	247	171
Total liabilities assumed	41	21
Inventory	40
Goodwill	65	62
Contingent consideration liabilities in connection with business combinations	58
Series of Individually Immaterial Business Acquisitions \| Technology-Based Intangible Assets
Business Acquisition [Line Items]
Intangible assets acquired	$ 91	$ 93
Estimated useful life	8 years
Series of Individually Immaterial Business Acquisitions \| Technology-Based Intangible Assets \| Minimum
Business Acquisition [Line Items]
Estimated useful life		14 years
Series of Individually Immaterial Business Acquisitions \| Technology-Based Intangible Assets \| Maximum
Business Acquisition [Line Items]
Estimated useful life		15 years
Series of Individually Immaterial Business Acquisitions \| Customer-Related Intangible Assets
Business Acquisition [Line Items]
Intangible assets acquired	$ 26
Estimated useful life	8 years
Mazor Robotics and EPiX Therapeutics, Inc
Business Acquisition [Line Items]
Purchase accounting adjustments. increase to goodwill	$ 5