Segments Reconciliation of Revenue from Segments to Consolidated (Details) - USD ($) $ in Millions		3 Months Ended
		May 05, 2018	Apr. 29, 2017
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenue		$ 9,109	$ 8,528
Domestic Segment [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenue		8,412	7,912
Domestic Segment [Member] | Consumer Electronics [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenue	[1]	2,655	2,582
Domestic Segment [Member] | Computing and Mobile Phones [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenue	[1]	3,899	3,576
Domestic Segment [Member] | Entertainment [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenue	[1]	548	572
Domestic Segment [Member] | Appliances [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenue	[1]	883	777
Domestic Segment [Member] | Services [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenue	[1]	393	371
Domestic Segment [Member] | Other Segment [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenue	[1]	34	34
International Segment [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenue		697	616
International Segment [Member] | Consumer Electronics [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenue	[1]	206	179
International Segment [Member] | Computing and Mobile Phones [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenue	[1]	331	297
International Segment [Member] | Entertainment [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenue	[1]	43	44
International Segment [Member] | Appliances [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenue	[1]	61	41
International Segment [Member] | Services [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenue	[1]	39	40
International Segment [Member] | Other Segment [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenue	[1]	$ 17	$ 15

[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.