Segments (Revenue by Reportable Segment and Product Category) (Details) - USD ($) $ in Millions		3 Months Ended		9 Months Ended
		Nov. 02, 2019	Nov. 03, 2018	Nov. 02, 2019	Nov. 03, 2018
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues		$ 9,764	$ 9,590	$ 28,442	$ 28,078
Domestic Segment [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	[1]	8,964	8,756	26,266	25,807
Domestic Segment [Member] | Computing and Mobile Phones [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	[1]	4,238	4,125	12,006	11,947
Domestic Segment [Member] | Consumer Electronics [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	[1]	2,659	2,665	8,101	8,091
Domestic Segment [Member] | Appliances [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	[1]	1,071	964	3,170	2,860
Domestic Segment [Member] | Entertainment [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	[1]	441	558	1,353	1,617
Domestic Segment [Member] | Services [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	[1]	519	409	1,526	1,185
Domestic Segment [Member] | Other [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	[1]	36	35	110	107
International Segment [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	[1]	800	834	2,176	2,271
International Segment [Member] | Computing and Mobile Phones [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	[1]	407	425	1,020	1,092
International Segment [Member] | Consumer Electronics [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	[1]	229	221	663	644
International Segment [Member] | Appliances [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	[1]	67	69	209	215
International Segment [Member] | Entertainment [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	[1]	37	55	109	140
International Segment [Member] | Services [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	[1]	50	46	138	127
International Segment [Member] | Other [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	[1]	$ 10	$ 18	$ 37	$ 53

[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.