Stockholders' Equity - Schedule of Reconciliation of the Number of Shares of Common Stock and Dividends Per Share (Details) - $ / shares shares in Millions	3 Months Ended
	May 03, 2020	May 05, 2019	Feb. 02, 2020
Common stock:
Balance at beginning of period (in shares)	1,786	1,782
Shares issued under employee stock plans (in shares)	2	2
Balance at end of period (in shares)	1,788	1,784
Treasury stock:
Balance at beginning of period (in shares)	(709)	(677)
Repurchases of common stock (in shares)	(3)	(6)
Balance at end of period (in shares)	(712)	(683)
Shares outstanding at end of period (in shares)	1,076	1,101	1,077
Cash dividends per share (in usd per share)	$ 1.50	$ 1.36