Credit Facility, Increase in Maximum Borrowing Capacity

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Period Type:	duration

- Definition

Debt Instrument, Basis Spread on Variable Rate, Increase (Decrease)

+ References

No definition available.

+ Details

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Period Type:	duration

- Definition

Debt Instrument, Collateral Amount, Shares

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	instant

- Definition

Debt Instrument, Collateral, Percent of Capital Stock

+ References

No definition available.

+ Details

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- Definition

Debt Instrument, Floor Interest Rate

+ References

No definition available.

+ Details

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- Definition

Debt Instrument, Maximum Period for Registration

+ References

No definition available.

+ Details

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- Definition

Debt Instrument, Payment Terms, Percent of Net Cash Proceeds From Certain Asset Sales or Dispositions

+ References

No definition available.

+ Details

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- Definition

Debt Instrument, Term, Extension Option

+ References

No definition available.

+ Details

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- Definition

Debt Instrument, Term, Number of Extension Periods

+ References

No definition available.

+ Details

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- Definition

Line of Credit Facility, Periodic Payment, Principal, Percent of Original Principal Balance

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

Line of Credit Facility, Periodic Payment, Principal, Percent of Original Principal Balance, Second and Third Year

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

Line of Credit Facility, Periodic Payment, Principal, Percent of Original Principal Balance, Year Four

+ References

No definition available.

+ Details

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- Definition

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

+ References

No definition available.

+ Details

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Period Type:	duration

- Definition

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(16))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=64930739&loc=d3e28878-108400

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28551-108399

+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

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

+ References

+ Details

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- 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

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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

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- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

+ References

+ Details

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

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

+ References

+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3255-108585

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(f))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of cash outflow for payment of an obligation from a lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3291-108585

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(f))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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- Details

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DEBT - Additional Information (Details)						3 Months Ended	12 Months Ended
DEBT - Additional Information (Details)	Oct. 31, 2017 USD ($)	Sep. 12, 2017 USD ($) option_period	Apr. 12, 2017 USD ($) shares	Sep. 07, 2016 USD ($)	Jun. 01, 2016 USD ($)	Nov. 03, 2017 USD ($)	Feb. 02, 2018 USD ($)	Nov. 02, 2017 USD ($)	Sep. 07, 2017 USD ($)	Aug. 21, 2017 USD ($)	Feb. 03, 2017 USD ($)	Jun. 22, 2016 USD ($)
Debt Instrument [Line Items]
Total debt, principal amount							$ 52,694,000,000				$ 50,356,000,000
4.02% Margin Loan Facility due April 2022
Debt Instrument [Line Items]
Total debt, principal amount							2,000,000,000
DFS Debt
Debt Instrument [Line Items]
Total debt, principal amount							4,796,000,000
China Revolving Credit Facility \| Revolving Credit Facility
Debt Instrument [Line Items]
Maximum borrowing capacity	$ 500,000,000
Long-term Line of Credit							0
China Revolving Credit Facility \| LIBOR \| Revolving Credit Facility
Debt Instrument [Line Items]
Basis spread on variable rate	0.60%
VMware Revolving Credit Facility \| Revolving Credit Facility
Debt Instrument [Line Items]
Maximum borrowing capacity		$ 1,000,000,000.0
Debt instrument, term		5 years
Number of extension periods \| option_period		2
Conditional extension period		1 year
Long-term Line of Credit							0
VMware Notes
Debt Instrument [Line Items]
Total debt, principal amount							4,000,000,000
Pivotal Revolving Credit Facility \| Revolving Credit Facility
Debt Instrument [Line Items]
Maximum borrowing capacity									$ 100,000,000
Long-term Line of Credit							$ 20,000,000
Line of Credit \| 3.58% Term Loan B Facility due September 2023
Debt Instrument [Line Items]
Annual principal amortization				1.00%
Required prepayment from net cash proceeds from sale of certain asset sales or dispositions				100.00%
Line of Credit \| 3.58% Term Loan B Facility due September 2023 \| LIBOR
Debt Instrument [Line Items]
Increase (decrease) in interest rate margin							(0.75%)
Interest rate floor				0.75%
Line of Credit \| 3.58% Term Loan B Facility due September 2023 \| Base Rate
Debt Instrument [Line Items]
Interest rate floor				1.75%
Line of Credit \| Term Loan A-2 Facility, Term Loan A-3 Facility, Term Loan B Facility, and Revolving Credit Facility \| LIBOR
Debt Instrument [Line Items]
Increase (decrease) in interest rate margin						(0.50%)
Line of Credit \| 3.33% Term Loan A-2 Facility due September 2021
Debt Instrument [Line Items]
Annual principal amortization				5.00%
Annual principal amortization, years three and four				10.00%
Annual principal amortization, year five				70.00%
Line of Credit \| 3.33% Revolving Credit Facility due September 2021
Debt Instrument [Line Items]
Available borrowing capacity							$ 3,300,000,000
Line of Credit \| 3.33% Revolving Credit Facility due September 2021 \| LIBOR
Debt Instrument [Line Items]
Interest rate floor				0.00%
Line of Credit \| 3.33% Revolving Credit Facility due September 2021 \| Base Rate
Debt Instrument [Line Items]
Interest rate floor				0.00%
Line of Credit \| Senior Secured Credit Facilities
Debt Instrument [Line Items]
Maximum borrowing capacity				$ 17,600,000,000
Secured Debt
Debt Instrument [Line Items]
Debt, stated amount					$ 20,000,000,000
Debt, maximum period for registration					5 years
Secured Debt \| 3.58% Term Loan B Facility due September 2023
Debt Instrument [Line Items]
Increase in outstanding principal							500,000,000
Repayments of credit facility						$ 460,000,000
Total debt, principal amount							4,988,000,000				4,987,000,000
Secured Debt \| 3.33% Term Loan A-2 Facility due September 2021
Debt Instrument [Line Items]
Increase in outstanding principal						672,000,000
Total debt, principal amount							4,394,000,000				3,876,000,000
Secured Debt \| 3.08% Term Loan A-3 Facility due December 2018
Debt Instrument [Line Items]
Repayments of credit facility						212,000,000
Total debt, principal amount							1,213,000,000				1,800,000,000
Secured Debt \| 3.33% Revolving Credit Facility due September 2021
Debt Instrument [Line Items]
Repayments of credit facility							400,000,000
Maximum borrowing capacity						$ 3,300,000,000		$ 180,000,000
Debt instrument, collateral, percent of capital stock of borrowers				100.00%
Total debt, principal amount							0				375,000,000
Secured Debt \| DFS Debt
Debt Instrument [Line Items]
Proceeds from credit facility							1,300,000,000
Total debt, principal amount							4,796,000,000				3,464,000,000
Secured Debt \| Term Loan Facilities
Debt Instrument [Line Items]
Repayments of credit facility							1,200,000,000
Secured Debt \| EMC Intercompany Promissory Notes
Debt Instrument [Line Items]
Repayments of credit facility							1,200,000,000
Other \| Margin Bridge Facility due September 2017
Debt Instrument [Line Items]
Repayments of credit facility							500,000,000
Maximum borrowing capacity				$ 2,500,000,000
Total debt, principal amount							0				2,500,000,000
Other \| 4.02% Margin Loan Facility due April 2022
Debt Instrument [Line Items]
Proceeds from credit facility			$ 2,000,000,000
Total debt, principal amount							2,000,000,000				0
Other \| 4.02% Margin Loan Facility due April 2022 \| Class B common stock
Debt Instrument [Line Items]
Debt instrument, collateral (in shares) \| shares			60,000,000
Other \| 4.02% Margin Loan Facility due April 2022 \| Class A common stock
Debt Instrument [Line Items]
Debt instrument, collateral (in shares) \| shares			20,000,000
Other \| 4.02% Margin Loan Facility due April 2022 \| LIBOR
Debt Instrument [Line Items]
Basis spread on variable rate			2.25%
Other \| 4.02% Margin Loan Facility due April 2022 \| Base Rate
Debt Instrument [Line Items]
Basis spread on variable rate			1.25%
Other \| VMware Note Bridge Facility due September 2017
Debt Instrument [Line Items]
Repayments of credit facility							1,500,000,000
Debt, stated amount				1,500,000,000
Total debt, principal amount							0				1,500,000,000
Other \| Senior Secured Credit Facilities
Debt Instrument [Line Items]
Maximum borrowing capacity				400,000,000
Senior Notes
Debt Instrument [Line Items]
Debt, stated amount							4,000,000,000.0			$ 4,000,000,000
Senior Notes \| 2.30% due August 2020
Debt Instrument [Line Items]
Debt, stated amount										$ 1,250,000,000
Interest rate										2.30%
Senior Notes \| 2.95% due August 2022
Debt Instrument [Line Items]
Debt, stated amount										$ 1,500,000,000
Interest rate										2.95%
Senior Notes \| 3.90% due August 2027
Debt Instrument [Line Items]
Debt, stated amount										$ 1,250,000,000
Interest rate										3.90%
Letter of Credit \| Senior Secured Credit Facilities
Debt Instrument [Line Items]
Maximum borrowing capacity				500,000,000
Unsecured Notes and Debentures
Debt Instrument [Line Items]
Debt, stated amount												$ 3,250,000,000.00
Unsecured Notes and Debentures \| 1.875% due June 2018
Debt Instrument [Line Items]
Total debt, principal amount				$ 2,500,000,000			$ 2,500,000,000				2,500,000,000
Interest rate				1.875%			1.875%
Unsecured Notes and Debentures \| 2.650% due June 2020
Debt Instrument [Line Items]
Total debt, principal amount				$ 2,000,000,000			$ 2,000,000,000				2,000,000,000
Interest rate				2.65%			2.65%
Unsecured Notes and Debentures \| 3.375% due June 2023
Debt Instrument [Line Items]
Total debt, principal amount				$ 1,000,000,000			$ 1,000,000,000				1,000,000,000
Interest rate				3.375%			3.375%
Unsecured Notes and Debentures \| 2.30% due August 2020
Debt Instrument [Line Items]
Total debt, principal amount							$ 1,250,000,000				0
Interest rate							2.30%
Unsecured Notes and Debentures \| 2.95% due August 2022
Debt Instrument [Line Items]
Total debt, principal amount							$ 1,500,000,000				0
Interest rate							2.95%
Unsecured Notes and Debentures \| 3.90% due August 2027
Debt Instrument [Line Items]
Total debt, principal amount							$ 1,250,000,000				$ 0
Interest rate							3.90%