Percentage points added to the reference rate to compute the variable rate on the debt instrument.

No definition available.

Name:	us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=119993939&loc=d3e28551-108399

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400

+ Details

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

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

Name:	us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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

- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentTerm
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(b),22(b))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

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

FINANCIAL SERVICES - DFS Debt Narrative (Details)			6 Months Ended
FINANCIAL SERVICES - DFS Debt Narrative (Details)	Jun. 24, 2020 EUR (€)	Oct. 17, 2019 EUR (€)	Jul. 31, 2020 USD ($)	Mar. 20, 2019 USD ($)	Jun. 22, 2016 USD ($)	Jun. 01, 2016 USD ($)
Note payable
Debt Instrument [Line Items]
Aggregate principal amount			$ 187,000,000
Note payable \| LIBOR
Debt Instrument [Line Items]
Basis spread on variable rate			2.25%
Note payable \| TIIE \| Mexico, Pesos
Debt Instrument [Line Items]
Basis spread on variable rate			2.00%
Secured Debt
Debt Instrument [Line Items]
Aggregate principal amount				$ 4,500,000,000		$ 20,000,000,000.0
Secured Debt \| Asset-based financing and securitization facilities \| U.S. \| Finance Leases and Revolving Loan Portfolio Segments
Debt Instrument [Line Items]
Total debt capacity			$ 4,100,000,000
Secured Debt \| Asset-based financing and securitization facilities \| International \| Fixed-term
Debt Instrument [Line Items]
Total debt capacity			$ 948,000,000
Secured Debt \| Fixed-term securitization offerings \| Minimum
Debt Instrument [Line Items]
Interest rate			1.91%
Secured Debt \| Fixed-term securitization offerings \| Maximum
Debt Instrument [Line Items]
Interest rate			5.92%
Secured Debt \| Other \| Canada
Debt Instrument [Line Items]
Total debt capacity			$ 279,000,000
Secured Debt \| Other \| Europe
Debt Instrument [Line Items]
Total debt capacity			711,000,000
Secured Debt \| Other \| Australia and New Zealand
Debt Instrument [Line Items]
Total debt capacity			$ 252,000,000
Unsecured Debt
Debt Instrument [Line Items]
Aggregate principal amount					$ 3,250,000,000
Unsecured Debt \| Dell Bank Bonds
Debt Instrument [Line Items]
Interest rate	1.625%	0.625%
Aggregate principal amount \| €	€ 500,000,000	€ 500,000,000
Debt instrument, term	4 years	3 years