Consolidated Statements of Equity (Unaudited) - USD ($) $ in Millions	Total	Total Shareholders’ Equity	Ordinary Shares	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Loss	Noncontrolling Interests
Beginning balance (shares) at Apr. 27, 2018			1,354,000,000
Beginning balance at Apr. 27, 2018	$ 50,822	$ 50,720	$ 0	$ 28,127	$ 24,379	$ (1,786)	$ 102
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	1,077	1,075			1,075		2
Other comprehensive income (loss)	(584)	(584)				(584)
Dividends to shareholders	(677)	(677)			(677)
Issuance of shares under stock purchase and award plans (shares)			7,000,000
Issuance of shares under stock purchase and award plans	446	446		446
Repurchase of ordinary shares (shares)			(9,000,000)
Repurchase of ordinary shares	(820)	(820)		(820)
Stock-based compensation	64	64		64
Changes to noncontrolling ownership interests	1						1
Ending balance (shares) at Jul. 27, 2018			1,352,000,000
Ending balance at Jul. 27, 2018	$ 50,329	50,224	$ 0	27,817	24,730	(2,323)	105
Beginning balance (shares) at Apr. 26, 2019	1,340,697,595		1,341,000,000
Beginning balance at Apr. 26, 2019	$ 50,212	50,091	$ 0	26,532	26,270	(2,711)	121
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	877	864			864		13
Other comprehensive income (loss)	227	227				227
Dividends to shareholders	(724)	(724)			(724)
Issuance of shares under stock purchase and award plans (shares)			3,000,000
Issuance of shares under stock purchase and award plans	205	205		205
Repurchase of ordinary shares (shares)			(3,000,000)
Repurchase of ordinary shares	(328)	(328)		(328)
Stock-based compensation	$ 61	61		61
Ending balance (shares) at Jul. 26, 2019	1,340,797,328		1,341,000,000
Ending balance at Jul. 26, 2019	$ 50,497	$ 50,363	$ 0	$ 26,470	$ 26,377	$ (2,484)	$ 134