Basis of Presentation and Summary of Significant Accounting Policies - Impact of New Lease Standard on Consolidated Balance Sheet Line Items (Details) - USD ($) $ in Thousands	Aug. 03, 2019	Feb. 03, 2019	Feb. 02, 2019	Aug. 04, 2018
Prepaid expenses and other current assets	$ 618,119	$ 364,633	$ 513,662	$ 712,552
Net property at cost	5,041,878	4,973,847	5,255,208	5,100,454
Operating lease right of use assets	8,944,302	8,704,584
Other assets	498,615	467,494	497,580	472,879
TOTAL ASSETS	22,854,979	22,570,137	14,326,029	14,111,428
Accrued expenses and other current liabilities	2,601,851	2,729,257	2,733,076	2,414,186
Current portion of operating lease liabilities	1,353,721	1,481,555
Other long-term liabilities	776,654	761,105	1,354,242	1,289,353
Long-term operating lease liabilities	7,742,866	7,359,106
Retained earnings	4,806,504	4,462,147	4,461,744	4,583,938
TOTAL LIABILITIES AND SHAREHOLDERS’ EQUITY	$ 22,854,979	22,570,137	$ 14,326,029	$ 14,111,428
Accounting Standards Update 2016-02
Prepaid expenses and other current assets		(149,029)
Net property at cost		(281,361)
Operating lease right of use assets		8,704,584
Other assets		(30,086)
TOTAL ASSETS		8,244,108
Accrued expenses and other current liabilities		(3,819)
Current portion of operating lease liabilities		1,481,555
Other long-term liabilities		(593,137)
Long-term operating lease liabilities		7,359,106
Retained earnings		403
TOTAL LIABILITIES AND SHAREHOLDERS’ EQUITY		$ 8,244,108