DEBT - Additional Information (Details) - USD ($)		12 Months Ended
	Sep. 19, 2019	Jan. 29, 2021	Jan. 31, 2020	Feb. 01, 2019	Apr. 09, 2020	Apr. 07, 2020	Mar. 20, 2019	Jun. 22, 2016	Jun. 01, 2016
Debt Instrument [Line Items]
Repayments of debt		$ 20,919,000,000	$ 22,117,000,000	$ 11,451,000,000
Proceeds from debt		16,391,000,000	20,481,000,000	$ 13,045,000,000
VMware Term Loan Facility | Revolving Credit Facility
Debt Instrument [Line Items]
Repayments of debt		1,500,000,000
Secured Debt
Debt Instrument [Line Items]
Aggregate principal amount							$ 4,500,000,000		$ 20,000,000,000.0
Secured Debt | 4.42% due June 2021
Debt Instrument [Line Items]
Retirement of debt		$ 4,500,000,000
Interest rate		4.42%
Repayments of debt		$ 4,265,000,000
Open market repurchase		235,000,000
Secured Debt | 1.90% Term Loan A-4 Facility due December 2023
Debt Instrument [Line Items]
Repayments of debt		679,000,000
Secured Debt | 2.75% Term Loan B-1 Facility due September 2025
Debt Instrument [Line Items]
Repayments of debt		1,595,000,000
Secured Debt | 1.90% Term Loan A-6 Facility due March 2024
Debt Instrument [Line Items]
Repayments of debt		363,000,000
Secured Debt | Notes Due April 9, 2020
Debt Instrument [Line Items]
Aggregate principal amount					$ 2,250,000,000
Secured Debt | DFS Debt
Debt Instrument [Line Items]
Proceeds from debt		1,900,000,000
Additional debt issued		$ 1,800,000,000
Secured Debt | Term Loan B Facility Due September 2023
Debt Instrument [Line Items]
Repayments of debt	$ 4,913,000,000
Unsecured Debt
Debt Instrument [Line Items]
Aggregate principal amount								$ 3,250,000,000
Unsecured Debt | 1.90% Term Loan A-4 Facility due December 2023
Debt Instrument [Line Items]
Repayments of debt			950,000,000
Unsecured Debt | 2.650% due June 2020
Debt Instrument [Line Items]
Interest rate		2.65%
Repayments of debt		$ 600,000,000	1,400,000,000
Unsecured Debt | 2.30% due August 2020
Debt Instrument [Line Items]
Interest rate		2.30%
Repayments of debt		$ 1,250,000,000
Unsecured Debt | VMware Notes
Debt Instrument [Line Items]
Aggregate principal amount						$ 2,000,000,000.0
Unsecured Debt | 5.875% due June 2021
Debt Instrument [Line Items]
Interest rate		5.875%
Repayments of debt			550,000,000
Unsecured Debt | 5.875% due June 2019
Debt Instrument [Line Items]
Interest rate		5.875%
Repayments of debt			600,000,000
Unsecured Debt | Term Loan Facilities
Debt Instrument [Line Items]
Repayments of debt			193,000,000
Line of Credit | 2.75% Term Loan B-1 Facility due September 2025
Debt Instrument [Line Items]
Aggregate principal amount	$ 4,750,000,000
Line of Credit | Term Loan B Facility Due September 2023
Debt Instrument [Line Items]
Repayments of debt			162,500,000
Line of Credit | Term Loan A2 Facility
Debt Instrument [Line Items]
Repayments of debt			$ 1,277,000,000