Revenue Recognition - Schedule of Impact of Adoption of the New Standard by Balance Sheet Line Item (Detail) - USD ($) $ in Millions	May 05, 2018	Feb. 03, 2018		Apr. 29, 2017		Jan. 28, 2017	[1]
Assets
Cash and cash equivalents	$ 822	$ 1,308	[1]	$ 625	[1]	$ 1,074
Merchandise inventories	3,726	3,542	[1]	3,991	[1]
Other	435	530	[1]	378	[1]
Total current assets	4,983	5,380	[1]	4,994	[1]
Property and equipment, net	7,694	7,773	[1]	8,069	[1]
Other assets	239	236	[1]	231	[1]
Total assets	12,916	13,389	[1]	13,294	[1]
Liabilities and Shareholders’ Equity
Accounts payable	1,454	1,271	[1]	1,480	[1]
Accrued liabilities	1,135	1,213	[1]	1,147	[1]
Income taxes payable	118	99	[1]	137	[1]
Current portion of capital lease and financing obligations	123	126	[1]	134	[1]
Total current liabilities	2,830	2,709	[1]	2,898	[1]
Long-term debt	2,301	2,797	[1]	2,795	[1]
Capital lease and financing obligations	1,563	1,591	[1]	1,657	[1]
Deferred income taxes	198	211	[1]	283	[1]
Other long-term liabilities	668	662	[1]	674	[1]
Total shareholders’ equity	5,356	5,419	[1]	4,987	[1]
Total liabilities and shareholders’ equity	$ 12,916	13,389	[1]	13,294	[1]
Accounting Standards Update 2014-09 [Member]
Assets
Cash and cash equivalents		1,308		625
Merchandise inventories		3,542		3,991
Other		481		328
Total current assets		5,331		4,944
Property and equipment, net		7,773		8,069
Other assets		236		231
Total assets		13,340		13,244
Liabilities and Shareholders’ Equity
Accounts payable		1,271		1,480
Accrued liabilities		1,155		1,088
Income taxes payable		99		137
Current portion of capital lease and financing obligations		126		134
Total current liabilities		2,651		2,839
Long-term debt		2,797		2,795
Capital lease and financing obligations		1,591		1,657
Deferred income taxes		213		285
Other long-term liabilities		662		674
Total shareholders’ equity		5,426		4,994
Total liabilities and shareholders’ equity		13,340		13,244
Accounting Standards Update 2014-09 [Member] | New Standard Adjustment [Member]
Assets
Other		49		50
Total current assets		49		50
Total assets		49		50
Liabilities and Shareholders’ Equity
Accrued liabilities		58		59
Total current liabilities		58		59
Deferred income taxes		(2)		(2)
Total shareholders’ equity		(7)		(7)
Total liabilities and shareholders’ equity		49		50
Accounting Standards Update 2014-09 [Member] | Adjusted [Member]
Assets
Cash and cash equivalents		1,308		625
Merchandise inventories		3,542		3,991
Other		530		378
Total current assets		5,380		4,994
Property and equipment, net		7,773		8,069
Other assets		236		231
Total assets		13,389		13,294
Liabilities and Shareholders’ Equity
Accounts payable		1,271		1,480
Accrued liabilities		1,213		1,147
Income taxes payable		99		137
Current portion of capital lease and financing obligations		126		134
Total current liabilities		2,709		2,898
Long-term debt		2,797		2,795
Capital lease and financing obligations		1,591		1,657
Deferred income taxes		211		283
Other long-term liabilities		662		674
Total shareholders’ equity		5,419		4,987
Total liabilities and shareholders’ equity		$ 13,389		$ 13,294

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