STOCK-BASED COMPENSATION - Dell Award Activity (Details) - Dell Technologies Inc. 2013 Stock Incentive Plan $ / shares in Units, shares in Millions, $ in Millions	9 Months Ended
	Oct. 28, 2016 USD ($) $ / shares shares
Employee Stock Option
Options Outstanding [Roll Forward]
Options outstanding beginning of period (in shares)	54
Granted (in shares)	2
Exercised (in shares)	(1)
Forfeited (in shares)	(2)
Canceled/expired (in shares)	0
Options outstanding end of period (in shares)	53
Options outstanding, weighted average remaining term	7 years
Options aggregate intrinsic value | $	$ 682
Weighted Average Exercise Price [Abstract]
Options outstanding beginning of period (in dollars per share) | $ / shares	$ 14.30
Granted (in dollars per share) | $ / shares	28.04
Exercised (in dollars per share) | $ / shares	14.22
Forfeited (in dollars per share) | $ / shares	17.97
Canceled/expired (in dollars per share) | $ / shares	0.00
Options outstanding end of period (in dollars per share) | $ / shares	$ 14.79
Options Vested and Expected to Vest [Abstract]
Options vested and expected to vest, outstanding (in shares)	50
Options vested and expected to vest, outstanding weighted average exercise price (in dollars per share) | $ / shares	$ 14.79
Options vested and expected to vest, weighted average remaining term	7 years
Options vested and expected to vest, aggregate intrinsic value | $	$ 635
Options Exercisable [Abstract]
Options exercisable, outstanding (in shares)	11
Options exercisable, outstanding, weighted average exercise price (in dollars per share) | $ / shares	$ 14.14
Options exercisable, outstanding weighted average contractual term	6 years 11 months
Options exercisable, outstanding aggregate intrinsic value | $	$ 143
Employee Stock Option | Performance-based Awards
Options Outstanding [Roll Forward]
Options outstanding end of period (in shares)	23
Employee Stock Option | Service-based Awards
Options Outstanding [Roll Forward]
Options outstanding end of period (in shares)	30
Restricted Stock Units (RSUs)
Non-vested Restricted Stock Units [ Roll Forward]
Outstanding, beginning of period (in shares)	0
Granted (in shares)	11
Vested (in shares)	0
Forfeited (in shares)	0
Outstanding, end of period (in shares)	11
Non-vested Restricted Stock Units, Weighted Average Grant Date Fair Value [Abstract]
Outstanding, beginning of period (in dollars per share) | $ / shares	$ 0.00
Granted (in dollars per share) | $ / shares	19.58
Vested (in dollars per share) | $ / shares	0.00
Forfeited (in dollars per share) | $ / shares	0.00
Outstanding, end of period (in dollars per share) | $ / shares	$ 19.58
Restricted Stock Units (RSUs) | Performance-based Awards
Non-vested Restricted Stock Units [ Roll Forward]
Outstanding, end of period (in shares)	6
Restricted Stock Units (RSUs) | Service-based Awards
Non-vested Restricted Stock Units [ Roll Forward]
Outstanding, end of period (in shares)	5