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Goodwill and Other Intangible Assets - Narrative (Details)		1 Months Ended	3 Months Ended		12 Months Ended
	Feb. 20, 2024 USD ($)	Jun. 30, 2021 USD ($)	Apr. 26, 2024 segment	Jul. 28, 2023 reportingUnit segment	Apr. 26, 2024 USD ($) segment	Apr. 28, 2023 USD ($)	Apr. 29, 2022 USD ($)	Jul. 29, 2022 USD ($)
Goodwill [Line Items]
Number of operating segments \| segment			2	2	2
Goodwill impairment					$ 0		$ 0
Number of reporting units			2	2
Impairment of intangible asset finite lived statement of income or comprehensive income extensible enumeration not disclosed flag					Other operating expense, net
Impairment of finite-lived intangible assets						$ 0
Amortization of intangible assets					$ 1,693,000,000	1,698,000,000	1,733,000,000
Medical Surgical
Goodwill [Line Items]
Goodwill impairment					0
Renal Care Business (RCS) \| Medical Surgical
Goodwill [Line Items]
Goodwill impairment						61,000,000
Transfer to held for sale								$ 208,000,000
Ventilator Product Line Exit \| Disposal Group, Not Discontinued Operations
Goodwill [Line Items]
Impairment of indefinite-lived intangible assets	$ 295,000,000
Mechanical Circulatory Support \| Disposal Group, Not Discontinued Operations
Goodwill [Line Items]
Impairment of indefinite-lived intangible assets		$ 409,000,000
IPR&D \| Neuroscience
Goodwill [Line Items]
Impairment of indefinite-lived intangible assets					$ 0	$ 0	$ 0