Revenue Recognition - Schedule of Impact of Adoption of the New Standard by Balance Sheet Line Item (Detail) - USD ($) $ in Millions	Nov. 03, 2018	Aug. 04, 2018	Feb. 03, 2018		Oct. 28, 2017		Jan. 28, 2017	[1]
Assets
Cash and cash equivalents	$ 1,047		$ 1,308	[1]	$ 736	[1]	$ 1,074
Merchandise inventories	4,844		3,542	[1]	4,632	[1]
Other	446		530	[1]	379	[1]
Total current assets	6,337		5,380	[1]	5,747	[1]
Property and equipment, net	7,538		7,773	[1]	7,974	[1]
Other assets	243		236	[1]	226	[1]
Total assets	14,118		13,389	[1]	13,947	[1]
Liabilities and Shareholders’ Equity
Accounts payable	2,583		1,271	[1]	2,113	[1]
Accrued liabilities	1,289		1,213	[1]	1,294	[1]
Income taxes payable	14		99	[1]	24	[1]
Current portion of capital lease and financing obligations	121		126	[1]	131	[1]
Total current liabilities	4,007		2,709	[1]	3,562	[1]
Long-term debt	2,272		2,797	[1]	2,796	[1]
Capital lease and financing obligations	1,528		1,591	[1]	1,622	[1]
Deferred income taxes	201		211	[1]	272	[1]
Other long-term liabilities	657		662	[1]	673	[1]
Total shareholders’ equity	5,453	$ 5,487	5,419	[1]	5,022	[1]
Total liabilities and shareholders’ equity	$ 14,118		13,389	[1]	13,947	[1]
Accounting Standards Update 2014-09 [Member]
Assets
Cash and cash equivalents			1,308		736
Merchandise inventories			3,542		4,632
Other			481		332
Total current assets			5,331		5,700
Property and equipment, net			7,773		7,974
Other assets			236		226
Total assets			13,340		13,900
Liabilities and Shareholders’ Equity
Accounts payable			1,271		2,113
Accrued liabilities			1,155		1,237
Income taxes payable			99		24
Current portion of capital lease and financing obligations			126		131
Total current liabilities			2,651		3,505
Long-term debt			2,797		2,796
Capital lease and financing obligations			1,591		1,622
Deferred income taxes			213		275
Other long-term liabilities			662		673
Total shareholders’ equity			5,426		5,029
Total liabilities and shareholders’ equity			13,340		13,900
Accounting Standards Update 2014-09 [Member] | New Standard Adjustment [Member]
Assets
Other			49		47
Total current assets			49		47
Total assets			49		47
Liabilities and Shareholders’ Equity
Accrued liabilities			58		57
Total current liabilities			58		57
Deferred income taxes			(2)		(3)
Total shareholders’ equity			(7)		(7)
Total liabilities and shareholders’ equity			49		47
Accounting Standards Update 2014-09 [Member] | Adjusted [Member]
Assets
Cash and cash equivalents			1,308		736
Merchandise inventories			3,542		4,632
Other			530		379
Total current assets			5,380		5,747
Property and equipment, net			7,773		7,974
Other assets			236		226
Total assets			13,389		13,947
Liabilities and Shareholders’ Equity
Accounts payable			1,271		2,113
Accrued liabilities			1,213		1,294
Income taxes payable			99		24
Current portion of capital lease and financing obligations			126		131
Total current liabilities			2,709		3,562
Long-term debt			2,797		2,796
Capital lease and financing obligations			1,591		1,622
Deferred income taxes			211		272
Other long-term liabilities			662		673
Total shareholders’ equity			5,419		5,022
Total liabilities and shareholders’ equity			$ 13,389		$ 13,947

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