Financial Instruments - Activity Related to the Company's Investment Portfolio and Debt Securities Contractual Maturities (Details) - USD ($) $ in Millions	12 Months Ended
Apr. 26, 2024	Apr. 28, 2023	Apr. 29, 2022
Activities Related to Debt Securities Portfolio
Proceeds from sales	$ 7,359	$ 7,321	$ 9,611
Gross realized gains	24	10	15
Gross realized losses	(26)	(43)	$ (18)
Amortized Cost
Due in one year or less	1,548
Due after one year through five years	3,644
Due after five years through ten years	758
Due after ten years	1,019
Total	6,968
AFS Debt Maturities
Due in one year or less	1,534
Due after one year through five years	3,479
Due after five years through ten years	744
Due after ten years	967
Total	$ 6,723	$ 6,449

Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in sixth through tenth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481800/320-10-50-3