Shareholders' Equity - Summary (Details) - USD ($) shares in Millions, $ in Millions	3 Months Ended
	May 01, 2020	May 03, 2019
Share Repurchases
Reduction in retained earnings	$ 927	$ 758
Share repurchase program
Share Repurchases
Share repurchases (in shares)	9.5	8.0
Share repurchases, cost	$ 940	$ 818
Shares withheld from employees
Share Repurchases
Share repurchases (in shares)	0.1	0.1
Share repurchases, cost	$ 7	$ 13
Shares Repurchase Program And Shares Repurchased From Employees
Share Repurchases
Share repurchases (in shares)	9.6	8.1
Share repurchases, cost	$ 947	$ 831