Other Information - Sales By Product Category (Details) - USD ($) $ in Millions	12 Months Ended
	Jan. 31, 2020	Feb. 01, 2019	Feb. 02, 2018
Revenue from External Customer [Line Items]
Net sales	$ 72,148	$ 71,309	$ 68,619
Percentage of total sales	100.00%	100.00%	100.00%
Appliances
Revenue from External Customer [Line Items]
Net sales	$ 9,989	$ 9,485	$ 8,687
Percentage of total sales	14.00%	13.00%	13.00%
Lumber & Building Materials
Revenue from External Customer [Line Items]
Net sales	$ 9,745	$ 9,767	$ 8,978
Percentage of total sales	14.00%	14.00%	13.00%
Seasonal & Outdoor Living
Revenue from External Customer [Line Items]
Net sales	$ 6,890	$ 6,669	$ 6,479
Percentage of total sales	10.00%	9.00%	9.00%
Lawn & Garden
Revenue from External Customer [Line Items]
Net sales	$ 6,459	$ 6,133	$ 5,905
Percentage of total sales	9.00%	9.00%	9.00%
Rough Plumbing & Electrical
Revenue from External Customer [Line Items]
Net sales	$ 6,224	$ 6,164	$ 5,937
Percentage of total sales	9.00%	9.00%	9.00%
Kitchens & Bath
Revenue from External Customer [Line Items]
Net sales	$ 5,433	$ 5,582	$ 5,576
Percentage of total sales	7.00%	8.00%	8.00%
Tools
Revenue from External Customer [Line Items]
Net sales	$ 4,420	$ 4,218	$ 4,033
Percentage of total sales	6.00%	6.00%	6.00%
Millwork
Revenue from External Customer [Line Items]
Net sales	$ 4,192	$ 4,050	$ 3,975
Percentage of total sales	6.00%	6.00%	6.00%
Paint
Revenue from External Customer [Line Items]
Net sales	$ 4,125	$ 3,962	$ 3,955
Percentage of total sales	6.00%	6.00%	6.00%
Flooring
Revenue from External Customer [Line Items]
Net sales	$ 3,877	$ 3,898	$ 3,964
Percentage of total sales	5.00%	5.00%	6.00%
Hardware
Revenue from External Customer [Line Items]
Net sales	$ 3,467	$ 3,362	$ 3,298
Percentage of total sales	5.00%	5.00%	5.00%
Lighting
Revenue from External Customer [Line Items]
Net sales	$ 2,857	$ 3,011	$ 3,143
Percentage of total sales	4.00%	4.00%	5.00%
Décor
Revenue from External Customer [Line Items]
Net sales	$ 2,443	$ 2,333	$ 2,339
Percentage of total sales	3.00%	3.00%	3.00%
Other
Revenue from External Customer [Line Items]
Net sales	$ 2,027	$ 2,675	$ 2,350
Percentage of total sales	2.00%	3.00%	2.00%