Calculation of Basic and Diluted Earnings Per Share (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended												12 Months Ended
	Feb. 03, 2018	[1]	Oct. 28, 2017	[2]	Jul. 29, 2017	Apr. 29, 2017	Jan. 28, 2017	[1]	Oct. 29, 2016	[2]	Jul. 30, 2016	Apr. 30, 2016	Feb. 03, 2018	Jan. 28, 2017	Jan. 30, 2016
Basic earnings per share:
Net income	$ 877,276		$ 641,436		$ 552,957	$ 536,279	$ 677,928		$ 549,786		$ 562,174	$ 508,346	$ 2,607,948	$ 2,298,234	$ 2,277,658
Weighted average common stock outstanding for basic earnings per share calculation													636,827	655,647	673,484
Basic earnings per share	$ 1.39		$ 1.01		$ 0.87	$ 0.83	$ 1.04		$ 0.84		$ 0.85	$ 0.77	$ 4.10	$ 3.51	$ 3.38
Net income	$ 877,276		$ 641,436		$ 552,957	$ 536,279	$ 677,928		$ 549,786		$ 562,174	$ 508,346	$ 2,607,948	$ 2,298,234	$ 2,277,658
Weighted average common stock outstanding for basic earnings per share calculation													636,827	655,647	673,484
Stock options and awards													9,278	8,785	9,767
Weighted average common stock outstanding for diluted earnings per share calculation													646,105	664,432	683,251
Diluted earnings per share	$ 1.37		$ 1.00		$ 0.85	$ 0.82	$ 1.03		$ 0.83		$ 0.84	$ 0.76	$ 4.04	$ 3.46	$ 3.33

[1] The fourth quarter of fiscal 2018 includes 14 weeks, a $99.3 million impairment charge and a net benefit from the enactment of the 2017 Tax Act.

[2] The third quarter of fiscal 2017 includes a loss on early extinguishment of debt and a pension settlement charge.