Revenue Recognition - Schedule of Impact of Adoption of the New Standard by Balance Sheet Line Item (Detail) - USD ($) $ in Millions	Aug. 04, 2018	Feb. 03, 2018		Jul. 29, 2017		Jan. 28, 2017	[1]
Assets
Cash and cash equivalents	$ 1,066	$ 1,308	[1]	$ 552	[1]	$ 1,074
Merchandise inventories	3,572	3,542	[1]	3,853	[1]
Other	404	530	[1]	381	[1]
Total current assets	5,042	5,380	[1]	4,786	[1]
Property and equipment, net	7,635	7,773	[1]	8,068	[1]
Other assets	238	236	[1]	230	[1]
Total assets	12,915	13,389	[1]	13,084	[1]
Liabilities and Shareholders’ Equity
Accounts payable	1,404	1,271	[1]	1,370	[1]
Accrued liabilities	1,174	1,213	[1]	1,125	[1]
Income taxes payable	70	99	[1]	43	[1]
Current portion of capital lease and financing obligations	122	126	[1]	133	[1]
Total current liabilities	2,770	2,709	[1]	2,671	[1]
Long-term debt	2,273	2,797	[1]	2,796	[1]
Capital lease and financing obligations	1,537	1,591	[1]	1,637	[1]
Deferred income taxes	188	211	[1]	268	[1]
Other long-term liabilities	660	662	[1]	691	[1]
Total shareholders’ equity	5,487	5,419	[1]	5,021	[1]
Total liabilities and shareholders’ equity	$ 12,915	13,389	[1]	13,084	[1]
Accounting Standards Update 2014-09 [Member]
Assets
Cash and cash equivalents		1,308		552
Merchandise inventories		3,542		3,853
Other		481		335
Total current assets		5,331		4,740
Property and equipment, net		7,773		8,068
Other assets		236		230
Total assets		13,340		13,038
Liabilities and Shareholders’ Equity
Accounts payable		1,271		1,370
Accrued liabilities		1,155		1,069
Income taxes payable		99		43
Current portion of capital lease and financing obligations		126		133
Total current liabilities		2,651		2,615
Long-term debt		2,797		2,796
Capital lease and financing obligations		1,591		1,637
Deferred income taxes		213		271
Other long-term liabilities		662		691
Total shareholders’ equity		5,426		5,028
Total liabilities and shareholders’ equity		13,340		13,038
Accounting Standards Update 2014-09 [Member] | New Standard Adjustment [Member]
Assets
Other		49		46
Total current assets		49		46
Total assets		49		46
Liabilities and Shareholders’ Equity
Accrued liabilities		58		56
Total current liabilities		58		56
Deferred income taxes		(2)		(3)
Total shareholders’ equity		(7)		(7)
Total liabilities and shareholders’ equity		49		46
Accounting Standards Update 2014-09 [Member] | Adjusted [Member]
Assets
Cash and cash equivalents		1,308		552
Merchandise inventories		3,542		3,853
Other		530		381
Total current assets		5,380		4,786
Property and equipment, net		7,773		8,068
Other assets		236		230
Total assets		13,389		13,084
Liabilities and Shareholders’ Equity
Accounts payable		1,271		1,370
Accrued liabilities		1,213		1,125
Income taxes payable		99		43
Current portion of capital lease and financing obligations		126		133
Total current liabilities		2,709		2,671
Long-term debt		2,797		2,796
Capital lease and financing obligations		1,591		1,637
Deferred income taxes		211		268
Other long-term liabilities		662		691
Total shareholders’ equity		5,419		5,021
Total liabilities and shareholders’ equity		$ 13,389		$ 13,084

[1] Refer to Note 2 for details on the adoption of the new revenue recognition accounting standard and the impact on previously reported results.