CAPITALIZATION - Schedule of Stock by Class (Details) - shares shares in Millions	Oct. 28, 2016	Jan. 29, 2016
Class of Stock [Line Items]
Shares authorized (in shares)	2,143	700
Shares issued (in shares)	791	405
Shares outstanding (in shares)	787	405
Series A
Class of Stock [Line Items]
Shares authorized (in shares)	600	350
Shares issued (in shares)	409	307
Shares outstanding (in shares)	409	307
Series B
Class of Stock [Line Items]
Shares authorized (in shares)	200	150
Shares issued (in shares)	137	98
Shares outstanding (in shares)	137	98
Series C
Class of Stock [Line Items]
Shares authorized (in shares)	900	200
Shares issued (in shares)	22	0
Shares outstanding (in shares)	22	0
Series D
Class of Stock [Line Items]
Shares authorized (in shares)	100
Shares issued (in shares)	0
Shares outstanding (in shares)	0
Series V
Class of Stock [Line Items]
Shares authorized (in shares)	343
Shares issued (in shares)	223
Shares outstanding (in shares)	219