CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (Unaudited) - USD ($) shares in Millions, $ in Millions	Total	Cumulative Effect of Adoption	Common Stock and Additional Paid-in Capital	Retained Earnings	Retained Earnings Cumulative Effect of Adoption	Accumulated Other Comprehensive Loss
Balances at Apr. 26, 2019	$ 1,090	$ 6	$ 1,133		$ 6	$ (43)
Balances (in shares) at Apr. 26, 2019			240
Accounting Standards Update [Extensible List]	us-gaap:AccountingStandardsUpdate201602Member			us-gaap:AccountingStandardsUpdate201602Member
Net income	$ 623			$ 623
Other comprehensive income (loss)	4					4
Issuance of common stock under employee stock award plans, net of taxes	25		$ 25
Issuance of common stock under employee stock award plans, net of taxes (in shares)			4
Repurchase of common stock	(1,250)		$ (621)	(629)
Repurchase of common stock, shares			(22)
Stock-based compensation	118		$ 118
Cash dividends declared ($0.48, $0.48, $1.44 and $1.44 per common share)	(334)		(334)
Balances at Jan. 24, 2020	282		$ 321			(39)
Balances (in shares) at Jan. 24, 2020			222
Balances at Oct. 25, 2019	536		$ 572			(36)
Balances (in shares) at Oct. 25, 2019			229
Net income	277			277
Other comprehensive income (loss)	(3)					(3)
Issuance of common stock under employee stock award plans, net of taxes	44		$ 44
Issuance of common stock under employee stock award plans, net of taxes (in shares)			1
Repurchase of common stock	(500)		$ (223)	(277)
Repurchase of common stock, shares			(8)
Stock-based compensation	36		$ 36
Cash dividends declared ($0.48, $0.48, $1.44 and $1.44 per common share)	(108)		(108)
Balances at Jan. 24, 2020	282		$ 321			(39)
Balances (in shares) at Jan. 24, 2020			222
Balances at Apr. 24, 2020	$ 242		$ 284			(42)
Balances (in shares) at Apr. 24, 2020	219		219
Net income	$ 396			396
Other comprehensive income (loss)	8					8
Issuance of common stock under employee stock award plans, net of taxes	54		$ 54
Issuance of common stock under employee stock award plans, net of taxes (in shares)			5
Repurchase of common stock	$ (50)		$ (1)	(49)
Repurchase of common stock, shares	(1)		(1)
Stock-based compensation	$ 149		$ 149
Cash dividends declared ($0.48, $0.48, $1.44 and $1.44 per common share)	(321)		(30)	(291)
Balances at Jan. 29, 2021	$ 478		$ 456	56		(34)
Balances (in shares) at Jan. 29, 2021	223		223
Balances at Oct. 30, 2020	$ 370		$ 372	30		(32)
Balances (in shares) at Oct. 30, 2020			222
Net income	182			182
Other comprehensive income (loss)	(2)					(2)
Issuance of common stock under employee stock award plans, net of taxes	39		$ 39
Issuance of common stock under employee stock award plans, net of taxes (in shares)			2
Repurchase of common stock	(50)		$ (1)	(49)
Repurchase of common stock, shares			(1)
Stock-based compensation	46		$ 46
Cash dividends declared ($0.48, $0.48, $1.44 and $1.44 per common share)	(107)			(107)
Balances at Jan. 29, 2021	$ 478		$ 456	$ 56		$ (34)
Balances (in shares) at Jan. 29, 2021	223		223