Net Sales and Segment Reporting (Revenue from External Customers by Products and Services) (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Feb. 02, 2020	Nov. 03, 2019	Aug. 04, 2019	May 05, 2019	Feb. 03, 2019	Oct. 28, 2018	Jul. 29, 2018	Apr. 29, 2018	Feb. 02, 2020	Feb. 03, 2019	Jan. 28, 2018
Revenue from External Customer [Line Items]
Net Sales	$ 25,782	$ 27,223	$ 30,839	$ 26,381	$ 26,491	$ 26,302	$ 30,463	$ 24,947	$ 110,225	$ 108,203	$ 100,904
% of Net Sales									100.00%	100.00%	100.00%
Product
Revenue from External Customer [Line Items]
Net Sales									$ 105,194	$ 102,933	$ 95,956
Service
Revenue from External Customer [Line Items]
Net Sales									5,031	5,270	4,948
Major Product Line - Building Materials
Revenue from External Customer [Line Items]
Net Sales									39,338	39,883	37,296
Major Product Line - Decor
Revenue from External Customer [Line Items]
Net Sales									37,390	36,273	33,593
Major Product Line - Hardlines
Revenue from External Customer [Line Items]
Net Sales									33,497	32,047	30,015
Appliances
Revenue from External Customer [Line Items]
Net Sales									$ 9,852	$ 9,027	$ 8,167
% of Net Sales									8.90%	8.30%	8.10%
Building Materials
Revenue from External Customer [Line Items]
Net Sales									$ 7,712	$ 7,770	$ 7,266
% of Net Sales									7.00%	7.20%	7.20%
Décor/Storage
Revenue from External Customer [Line Items]
Net Sales									$ 3,758	$ 3,583	$ 3,175
% of Net Sales									3.40%	3.30%	3.10%
Electrical/Lighting
Revenue from External Customer [Line Items]
Net Sales									$ 9,844	$ 9,941	$ 9,441
% of Net Sales									8.90%	9.20%	9.40%
Flooring
Revenue from External Customer [Line Items]
Net Sales									$ 7,443	$ 7,494	$ 6,992
% of Net Sales									6.80%	6.90%	6.90%
Hardware
Revenue from External Customer [Line Items]
Net Sales									$ 6,381	$ 6,203	$ 5,878
% of Net Sales									5.80%	5.70%	5.80%
Indoor Garden
Revenue from External Customer [Line Items]
Net Sales									$ 10,989	$ 10,450	$ 9,785
% of Net Sales									10.00%	9.70%	9.70%
Kitchen and Bath
Revenue from External Customer [Line Items]
Net Sales									$ 7,717	$ 7,728	$ 7,275
% of Net Sales									7.00%	7.10%	7.20%
Lumber
Revenue from External Customer [Line Items]
Net Sales									$ 7,894	$ 8,393	$ 7,797
% of Net Sales									7.20%	7.80%	7.70%
Millwork
Revenue from External Customer [Line Items]
Net Sales									$ 5,757	$ 5,757	$ 5,382
% of Net Sales									5.20%	5.30%	5.30%
Outdoor Garden
Revenue from External Customer [Line Items]
Net Sales									$ 7,564	$ 7,259	$ 6,984
% of Net Sales									6.90%	6.70%	6.90%
Paint
Revenue from External Customer [Line Items]
Net Sales									$ 8,620	$ 8,441	$ 7,984
% of Net Sales									7.80%	7.80%	7.90%
Plumbing
Revenue from External Customer [Line Items]
Net Sales									$ 8,131	$ 8,022	$ 7,410
% of Net Sales									7.40%	7.40%	7.30%
Tools
Revenue from External Customer [Line Items]
Net Sales									$ 8,563	$ 8,135	$ 7,368
% of Net Sales									7.80%	7.50%	7.30%