Goodwill and Other Intangible Assets (Tables)

3 Months Ended

Jul. 30, 2021

Goodwill and Intangible Assets Disclosure [Abstract]

Changes in the Carrying Amount of Goodwill

The following table presents the changes in the carrying amount of goodwill by segment:

(in millions)	Cardiovascular		Medical Surgical		Neuroscience		Diabetes		Total
April 30, 2021	$	7,209	$	21,195	$	11,300	$	2,257	$	41,961
Purchase accounting adjustments	26		—		3		(2)		27
Currency translation and other	(17)		(203)		(48)		—		(268)
July 30, 2021	$	7,218	$	20,992	$	11,255	$	2,255	$	41,720

Gross Carrying Amount and Accumulated Amortization of Definite-Lived Intangible Assets

The following table presents the gross carrying amount and accumulated amortization of intangible assets:

	July 30, 2021				April 30, 2021
(in millions)	Gross Carrying Amount		Accumulated Amortization		Gross Carrying Amount		Accumulated Amortization
Definite-lived:
Customer-related	$	17,010	$	(6,296)	$	17,036	$	(6,058)
Purchased technology and patents	10,687		(5,143)		11,286		(5,156)
Trademarks and tradenames	475		(255)		475		(251)
Other	78		(60)		82		(68)
Total	$	28,250	$	(11,754)	$	28,879	$	(11,533)
Indefinite-lived:
IPR&D	$	394	$	—	$	394	$	—

Gross Carrying Amount of Indefinite-Lived Intangible Assets

The following table presents the gross carrying amount and accumulated amortization of intangible assets:

	July 30, 2021				April 30, 2021
(in millions)	Gross Carrying Amount		Accumulated Amortization		Gross Carrying Amount		Accumulated Amortization
Definite-lived:
Customer-related	$	17,010	$	(6,296)	$	17,036	$	(6,058)
Purchased technology and patents	10,687		(5,143)		11,286		(5,156)
Trademarks and tradenames	475		(255)		475		(251)
Other	78		(60)		82		(68)
Total	$	28,250	$	(11,754)	$	28,879	$	(11,533)
Indefinite-lived:
IPR&D	$	394	$	—	$	394	$	—

Estimated Future Aggregate Amortization Expense, Definite-Lived Intangible Assets

Estimated aggregate amortization expense by fiscal year based on the carrying value of definite-lived intangible assets at July 30, 2021, excluding any possible future amortization associated with acquired IPR&D which has not yet met technological feasibility, is as follows:

(in millions)	Amortization Expense
Remaining 2022	$	1,286
2023	1,654
2024	1,619
2025	1,597
2026	1,583
2027	1,558