DEBT - Outstanding debt (Details) - USD ($) $ in Millions	Oct. 28, 2016	Sep. 07, 2016	Jan. 29, 2016
Debt Instrument [Line Items]
Total debt, principal amount	$ 56,787		$ 13,980
Unamortized discount, net of unamortized premium	(310)		(221)
Debt issuance costs	(805)		(128)
Total debt, carrying value	55,672		13,631
Total short-term debt	8,388		2,981
Total long-term debt	47,284		10,650
Structured financing debt
Debt Instrument [Line Items]
Total debt, principal amount	3,426
Secured Debt | Structured financing debt
Debt Instrument [Line Items]
Total debt, principal amount	$ 3,426		$ 3,411
Secured Debt | 3.75% Floating rate due October 2018 (Term Loan C Facility)
Debt Instrument [Line Items]
Interest rate (as a percent)	3.75%		3.75%
Total debt, principal amount	$ 0		$ 1,003
Secured Debt | 4.00% Floating rate due April 2020 (Term Loan B Facility)
Debt Instrument [Line Items]
Interest rate (as a percent)	4.00%		4.00%
Total debt, principal amount	$ 0		$ 4,329
Secured Debt | 4.00% Floating rate due April 2020 (Term Loan Euro Facility)
Debt Instrument [Line Items]
Interest rate (as a percent)	4.00%		4.00%
Total debt, principal amount	$ 0		$ 891
Secured Debt | 5.625% due October 2020 (Senior First Lien Notes)
Debt Instrument [Line Items]
Interest rate (as a percent)	5.625%	5.625%	5.625%
Total debt, principal amount	$ 0		$ 1,400
Secured Debt | 4.00% Term Loan B Facility due September 2023
Debt Instrument [Line Items]
Interest rate (as a percent)	4.00%
Total debt, principal amount	$ 5,000		0
Secured Debt | 2.53% Term Loan A-1 Facility due December 2018
Debt Instrument [Line Items]
Interest rate (as a percent)	2.53%
Total debt, principal amount	$ 3,700		0
Secured Debt | 2.78% Term Loan A-2 Facility due September 2021
Debt Instrument [Line Items]
Interest rate (as a percent)	2.78%
Total debt, principal amount	$ 3,925		0
Secured Debt | 2.53% Term Loan A-3 Facility due December 2018
Debt Instrument [Line Items]
Interest rate (as a percent)	2.53%
Total debt, principal amount	$ 1,800		0
Secured Debt | 2.53% Revolving Credit Facility due September 2021
Debt Instrument [Line Items]
Interest rate (as a percent)	2.53%
Total debt, principal amount	$ 1,475		0
Secured Debt | 3.48% due June 2019
Debt Instrument [Line Items]
Interest rate (as a percent)	3.48%
Total debt, principal amount	$ 3,750		0
Secured Debt | 4.42% due June 2021
Debt Instrument [Line Items]
Interest rate (as a percent)	4.42%
Total debt, principal amount	$ 4,500		0
Secured Debt | 5.45% due June 2023
Debt Instrument [Line Items]
Interest rate (as a percent)	5.45%
Total debt, principal amount	$ 3,750		0
Secured Debt | 6.02% due June 2026
Debt Instrument [Line Items]
Interest rate (as a percent)	6.02%
Total debt, principal amount	$ 4,500		0
Secured Debt | 8.10% due June 2036
Debt Instrument [Line Items]
Interest rate (as a percent)	8.10%
Total debt, principal amount	$ 1,500		0
Secured Debt | 8.35% due June 2046
Debt Instrument [Line Items]
Interest rate (as a percent)	8.35%
Total debt, principal amount	$ 2,000		$ 0
Unsecured Notes and Debentures | 3.10% due April 2016
Debt Instrument [Line Items]
Interest rate (as a percent)	3.10%		3.10%
Total debt, principal amount	$ 0		$ 400
Unsecured Notes and Debentures | 5.65% due April 2018
Debt Instrument [Line Items]
Interest rate (as a percent)	5.65%		5.65%
Total debt, principal amount	$ 500		$ 500
Unsecured Notes and Debentures | 5.875% due June 2019
Debt Instrument [Line Items]
Interest rate (as a percent)	5.875%		5.875%
Total debt, principal amount	$ 600		$ 600
Unsecured Notes and Debentures | 4.625% due April 2021
Debt Instrument [Line Items]
Interest rate (as a percent)	4.625%		4.625%
Total debt, principal amount	$ 400		$ 400
Unsecured Notes and Debentures | 7.10% due April 2028
Debt Instrument [Line Items]
Interest rate (as a percent)	7.10%		7.10%
Total debt, principal amount	$ 300		$ 300
Unsecured Notes and Debentures | 6.50% due April 2038
Debt Instrument [Line Items]
Interest rate (as a percent)	6.50%		6.50%
Total debt, principal amount	$ 388		$ 388
Unsecured Notes and Debentures | 5.40% due September 2040
Debt Instrument [Line Items]
Interest rate (as a percent)	5.40%		5.40%
Total debt, principal amount	$ 265		$ 265
Unsecured Notes and Debentures | 5.875% due June 2021
Debt Instrument [Line Items]
Interest rate (as a percent)	5.875%
Total debt, principal amount	$ 1,625		0
Unsecured Notes and Debentures | 7.125% due June 2024
Debt Instrument [Line Items]
Interest rate (as a percent)	7.125%
Total debt, principal amount	$ 1,625		0
Unsecured Notes and Debentures | 1.875% due June 2018
Debt Instrument [Line Items]
Interest rate (as a percent)	1.875%	1.875%
Total debt, principal amount	$ 2,500	$ 2,500	0
Unsecured Notes and Debentures | 2.650% due June 2020
Debt Instrument [Line Items]
Interest rate (as a percent)	2.65%	2.65%
Total debt, principal amount	$ 2,000	$ 2,000	0
Unsecured Notes and Debentures | 3.375% due June 2023
Debt Instrument [Line Items]
Interest rate (as a percent)	3.375%	3.375%
Total debt, principal amount	$ 1,000	$ 1,000	0
Bridge Facilities | 4.875% Asset Sale Bridge Facility due September 2017
Debt Instrument [Line Items]
Interest rate (as a percent)	4.875%	4.875%
Total debt, principal amount	$ 2,200		0
Bridge Facilities | 2.28% Margin Bridge Facility due September 2017
Debt Instrument [Line Items]
Interest rate (as a percent)	2.28%
Total debt, principal amount	$ 2,500	$ 2,500	0
Bridge Facilities | 2.28% VMware Note Bridge Facility due September 2017
Debt Instrument [Line Items]
Interest rate (as a percent)	2.28%
Total debt, principal amount	$ 1,500		0
Other
Debt Instrument [Line Items]
Total debt, principal amount	$ 58		$ 93