Segments (Revenue by Reportable Segment and Product Category) (Details) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
		Aug. 03, 2019	Aug. 04, 2018	Aug. 03, 2019	Aug. 04, 2018
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues		$ 9,536	$ 9,379	$ 18,678	$ 18,488
Domestic Segment [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	[1]	8,821	8,639	17,302	17,051
Domestic Segment [Member] | Computing and Mobile Phones [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	[1]	3,917	3,923	7,768	7,822
Domestic Segment [Member] | Consumer Electronics [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	[1]	2,780	2,770	5,442	5,426
Domestic Segment [Member] | Appliances [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	[1]	1,138	1,013	2,099	1,895
Domestic Segment [Member] | Entertainment [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	[1]	439	512	912	1,059
Domestic Segment [Member] | Services [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	[1]	510	384	1,008	777
Domestic Segment [Member] | Other [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	[1]	37	37	73	72
International Segment [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	[1]	715	740	1,376	1,437
International Segment [Member] | Computing and Mobile Phones [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	[1]	308	335	613	666
International Segment [Member] | Consumer Electronics [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	[1]	231	217	434	423
International Segment [Member] | Appliances [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	[1]	83	86	142	147
International Segment [Member] | Entertainment [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	[1]	36	43	72	85
International Segment [Member] | Services [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	[1]	45	41	88	81
International Segment [Member] | Other [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	[1]	$ 12	$ 18	$ 27	$ 35

[1] Refer to our Annual Report on Form 10-K for the fiscal year ended February 2, 2019, for additional information regarding the key components of each revenue category.