SUPPLEMENTAL CONSOLIDATED FINANCIAL INFORMATION - Warranty Liability (Details) - USD ($) $ in Millions	3 Months Ended
Apr. 29, 2022	Apr. 30, 2021
Warranty liability:
Warranty liability at beginning of period	$ 480	$ 473
Costs accrued for new warranty contracts and changes in estimated for pre-existing warranties	223	202
Service obligations honored	(235)	(217)
Warranty liability at end of period	$ 468	$ 458

Standard Product Warranty Accrual, Increase For Warranties Issued, Increase (Decrease) for Preexisting Warranties, And Foreign Currency Translation Gain (Loss)

No definition available.

+ Details

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Namespace Prefix:	dell_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount as of the balance sheet date of the aggregate standard product warranty liability. Does not include the balance for the extended product warranty liability.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 460
-SubTopic 10
-Section 50
-Paragraph 8
-Subparagraph (c)(1),(c)(5)
-URI http://asc.fasb.org/extlink&oid=123368208&loc=d3e12565-110249

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of decrease in the standard product warranty accrual from payments made in cash or in kind to satisfy claims under the terms of the standard product warranty. Excludes extended product warranties.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 460
-SubTopic 10
-Section 50
-Paragraph 8
-Subparagraph ((c)(2))
-URI http://asc.fasb.org/extlink&oid=123368208&loc=d3e12565-110249

+ Details

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Balance Type:	debit
Period Type:	duration