Share Repurchases - Additional Information (Detail) - USD ($) $ / shares in Units, shares in Millions	3 Months Ended			6 Months Ended
	Aug. 04, 2018	Jul. 29, 2017	Apr. 29, 2017	Aug. 04, 2018	Jul. 29, 2017	Feb. 03, 2018	May 02, 2017	Feb. 21, 2017
Equity Class Of Treasury Stock [Line Items]
Unpaid principal amount of notes payable for share repurchases	$ 18,741,000			$ 18,741,000		$ 19,390,000
$700 Million Repurchase Program [Member]
Equity Class Of Treasury Stock [Line Items]
Shares of common stock purchased under repurchase program, shares		12.4
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
$300 Million Repurchase Program [Member]
Equity Class Of Treasury Stock [Line Items]
Shares of common stock purchased under repurchase program, shares			7.8
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
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			19,600,000		19,400,000
Interest expense related to notes payable for share repurchases	300,000	$ 300,000		500,000	$ 500,000
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			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			18,700,000		19,400,000
Board of Directors [Member] | Maximum [Member] | $700 Million Repurchase Program [Member]
Equity Class Of Treasury Stock [Line Items]
Stock repurchase program authorized amount							$ 700,000,000
Board of Directors [Member] | Maximum [Member] | $300 Million Repurchase Program [Member]
Equity Class Of Treasury Stock [Line Items]
Stock 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		$ 15,500,000