Share Repurchases and Share Retirements - Additional Information (Detail) - USD ($)	3 Months Ended		12 Months Ended
	Jul. 29, 2017	Apr. 29, 2017	Feb. 02, 2019	Feb. 03, 2018	Jan. 28, 2017	Mar. 29, 2019	Oct. 10, 2018	May 02, 2017	Feb. 21, 2017
Equity Class Of Treasury Stock [Line Items]
Shares of common stock purchased under repurchase program			$ 250,243,000	$ 1,000,328,000
Unpaid principal amount of notes payable for share repurchases			18,741,000	$ 19,390,000
Treasury stock, shares retired				294,888
Treasury stock reclassified, amount			1,250,300,000
Additional Paid-In Capital [Member]
Equity Class Of Treasury Stock [Line Items]
Treasury stock reclassified, amount			591,519,000	$ 19,523,000
Retained Earnings [Member]
Equity Class Of Treasury Stock [Line Items]
Treasury stock reclassified, amount			$ 658,807,000
Fiscal 2018 $700 Million Repurchase Program [Member]
Equity Class Of Treasury Stock [Line Items]
Shares of common stock purchased under repurchase program, shares			2,000,000
Shares of common stock purchased at an average price per share under repurchase program			$ 122.10
Shares of common stock purchased under repurchase program			$ 250,000,000
Amount of share available under repurchase program			$ 450,000,000
Treasury stock, shares retired			22,267,711
Fiscal 2017 $700 Million Repurchase Program [Member]
Equity Class Of Treasury Stock [Line Items]
Shares of common stock purchased under repurchase program, shares	12,400,000
Shares of common stock purchased at an average price per share under repurchase program	$ 56.60
Shares of common stock purchased under repurchase program	$ 700,000,000
Treasury stock, shares retired			22,267,711
Fiscal 2017 $300 Million Repurchase Program [Member]
Equity Class Of Treasury Stock [Line Items]
Shares of common stock purchased under repurchase program, shares		7,800,000
Shares of common stock purchased at an average price per share under repurchase program		$ 38.24
Shares of common stock purchased under repurchase program		$ 300,000,000
Treasury stock, shares retired			22,267,711
Share Repurchases Under Equity Plans [Member]
Equity Class Of Treasury Stock [Line Items]
Unpaid principal amount of notes payable for share repurchases			$ 19,600,000	19,400,000
Interest expense related to notes payable for share repurchases			1,000,000	1,000,000	$ 1,000,000
Share Repurchases Under Equity Plans [Member] | Other Current Liabilities [Member]
Equity Class Of Treasury Stock [Line Items]
Unpaid principal amount of notes payable for share repurchases			900,000
Share Repurchases Under Equity Plans [Member] | Other Non-current Obligations [Member]
Equity Class Of Treasury Stock [Line Items]
Unpaid principal amount of notes payable for share repurchases			18,700,000	19,400,000
Board of Directors [Member] | Maximum [Member] | Fiscal 2018 $700 Million Repurchase Program [Member]
Equity Class Of Treasury Stock [Line Items]
Share repurchase program authorized amount							$ 700,000,000
Board of Directors [Member] | Maximum [Member] | Fiscal 2018 $700 Million Repurchase Program [Member] | Subsequent Event [Member]
Equity Class Of Treasury Stock [Line Items]
Share repurchase program authorized amount						$ 700,000,000
Board of Directors [Member] | Maximum [Member] | Fiscal 2017 $700 Million Repurchase Program [Member]
Equity Class Of Treasury Stock [Line Items]
Share repurchase program authorized amount								$ 700,000,000
Board of Directors [Member] | Maximum [Member] | Fiscal 2017 $300 Million Repurchase Program [Member]
Equity Class Of Treasury Stock [Line Items]
Share repurchase program authorized amount									$ 300,000,000
Director [Member] | Share Repurchases Under Equity Plans [Member]
Equity Class Of Treasury Stock [Line Items]
Unpaid principal amount of notes payable for share repurchases			$ 15,500,000	$ 15,500,000