Segments (Revenue by Reportable Segment and Product Category) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Aug. 01, 2020	Aug. 03, 2019	Aug. 01, 2020	Aug. 03, 2019
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	$ 9,910	$ 9,536	$ 18,472	$ 18,678
Domestic Segment [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	9,128	8,821	17,043	17,302
Domestic Segment [Member] | Computing and Mobile Phones [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	4,306	3,917	8,111	7,768
Domestic Segment [Member] | Consumer Electronics [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	2,634	2,780	4,853	5,442
Domestic Segment [Member] | Appliances [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	1,290	1,138	2,225	2,099
Domestic Segment [Member] | Entertainment [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	411	439	921	912
Domestic Segment [Member] | Services [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	462	510	883	1,008
Domestic Segment [Member] | Other [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	25	37	50	73
International Segment [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	782	715	1,429	1,376
International Segment [Member] | Computing and Mobile Phones [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	382	308	691	613
International Segment [Member] | Consumer Electronics [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	212	231	388	434
International Segment [Member] | Appliances [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	91	83	150	142
International Segment [Member] | Entertainment [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	49	36	106	72
International Segment [Member] | Services [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	35	45	67	88
International Segment [Member] | Other [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	$ 13	$ 12	$ 27	$ 27