Stockholders' Equity (Summary of Restricted Stock Activity) (Details) - Class A Common Stock $ / shares in Units, $ in Millions	3 Months Ended
	May 01, 2020 USD ($) $ / shares shares
Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock unit conversion into common stock (in shares)	1
Number of Units
Outstanding (in shares)	14,300,000
Weighted-Average Grant Date Fair Value
Fair value of restricted stock-based awards, vested | $	$ 394
Aggregate intrinsic value, nonvested | $	$ 1,800
Minimum | Performance Stock Units (PSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Conversion ratio or awards upon acquisition	0.1
Maximum | Performance Stock Units (PSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Conversion ratio or awards upon acquisition	2.0
VMware RSUs | Restricted Stock
Number of Units
Outstanding (in shares)	17,474,000
Granted (in shares)	743,000
Vested (in shares)	(3,153,000)
Forfeited (in shares)	(761,000)
Outstanding (in shares)	14,303,000
Weighted-Average Grant Date Fair Value
Outstanding, weighted-average grant date fair value (in USD per share) | $ / shares	$ 128.38
Granted, weighted-average grant date fair value (in USD per share) | $ / shares	108.24
Vested, weighted-average grant date fair value (in USD per share) | $ / shares	101.52
Forfeited, weighted-average grant date fair value (in USD per share) | $ / shares	125.02
Outstanding, weighted-average grant date fair value (in USD per share) | $ / shares	$ 133.35