Goodwill and Other Intangible Assets - Narrative (Details) - USD ($)	3 Months Ended	9 Months Ended
Jan. 28, 2022	Jul. 30, 2021	Jan. 29, 2021	Jan. 28, 2022	Jan. 29, 2021
Finite-Lived Intangible Assets [Line Items]
Goodwill impairment	$ 0		$ 0	$ 0	$ 0
Definite-lived intangible asset charges	0		0		0
Impairment of indefinite-lived intangible assets	0		0	0	0
Amortization expense	$ 432,000,000		$ 453,000,000	1,298,000,000	$ 1,337,000,000
Cardiovascular
Finite-Lived Intangible Assets [Line Items]
Definite-lived intangible asset charges		$ 409,000,000		$ 409,000,000

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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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.

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Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of a finite-lived intangible asset to fair value.

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Amount of impairment loss resulting from write-down of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit to fair value.

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