Segments Revenue by Reportable Segment and Product Category (Details) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
		Aug. 04, 2018	Jul. 29, 2017	Aug. 04, 2018	Jul. 29, 2017
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues		$ 9,379	$ 8,940	$ 18,488	$ 17,468
Domestic Segment [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues		8,639	8,272	17,051	16,184
Domestic Segment [Member] | Consumer Electronics [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	[1]	2,770	2,610	5,426	5,192
Domestic Segment [Member] | Computing and Mobile Phones [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	[1]	3,923	3,859	7,822	7,436
Domestic Segment [Member] | Entertainment [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	[1]	512	492	1,059	1,063
Domestic Segment [Member] | Appliances [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	[1]	1,013	914	1,895	1,691
Domestic Segment [Member] | Services [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	[1]	384	367	777	738
Domestic Segment [Member] | Other Segment [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	[1]	37	30	72	64
International Segment [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues		740	668	1,437	1,284
International Segment [Member] | Consumer Electronics [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	[1]	217	210	423	389
International Segment [Member] | Computing and Mobile Phones [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	[1]	335	311	666	608
International Segment [Member] | Entertainment [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	[1]	43	36	85	80
International Segment [Member] | Appliances [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	[1]	86	61	147	102
International Segment [Member] | Services [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	[1]	41	36	81	76
International Segment [Member] | Other Segment [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	[1]	$ 18	$ 14	$ 35	$ 29

[1] (1)Refer to our Annual Report on Form 10-K for the fiscal year ended February 3, 2018, for additional information regarding the key components of each revenue category.