Summary of Significant Accounting Policies (Details Textual) $ in Millions	12 Months Ended
	Feb. 03, 2017 USD ($) location	Jan. 29, 2016 USD ($)	Jan. 30, 2015 USD ($)
Summary of Significant Accounting Policies
Number of stores | location	2,129
Percentage of inventory valued using methods other than FIFO	8.00%
Accounts receivable sold	$ 2,800	$ 2,600	$ 2,400
Loss on receivable sales	(32)	(36)	(38)
Credit program receivables held by Synchrony	9,600	8,800
Goodwill impairment loss	46	0	1
Payables placed on tracking system	1,600	1,300
Payables financed by participating suppliers	1,000	921
Total self insurance liability	831	883
Outstanding surety bonds relating to self-insurance	243	240
Deferred revenue from undelivered products and installation	755	619
Outstanding stored-value cards	498	459
Deferred costs associated with extended protection plan contracts	18	20
Expenses for claims incurred	141	127	123
Advertising expenses	893	769	819
Shipping and handling costs included in SG&A expense	700	607	548
Foreign currency translation losses, net of tax	$ (240)	(394)	(103)
Long-lived assets held outside of the U.S. as a percentage of total long-lived assets	8.70%
Net sales outside of the U.S. as a percentage of total sales	5.70%
Investments
Proceeds from sales of available-for-sale securities	$ 505	394	283
Restricted balances included in short-term investments	81	234
Restricted balances included in long-term investments	354	202
Long-Lived Assets Impairment Losses
Long-lived asset impairment losses	$ 43	10	28
Minimum [Member]
Investments
Maturity date of long-term investments	1 year
Maximum [Member]
Investments
Maturity date of long-term investments	38 years
Operating Locations [Member]
Assets held-for-use
Long-lived asset impairment losses	$ 34	8	26
Excess Properties Held-for-use [Member]
Assets held-for-use
Long-lived asset impairment losses	9	2	$ 2
Carrying amount of excess properties classified as held-for-use	$ 174	$ 131