Shareholders' Equity - Summary (Details) - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Oct. 30, 2020	Nov. 01, 2019	Oct. 30, 2020	Nov. 01, 2019
Share Repurchases
Reduction in retained earnings	$ 431	$ 827	$ 1,400	$ 3,500
Share repurchase program
Share Repurchases
Share repurchases (in shares)	3.6	7.7	13.2	35.3
Share repurchases, cost	$ 617	$ 835	$ 1,557	$ 3,618
Shares withheld from employees
Share Repurchases
Share repurchases (in shares)	0.0	0.2	0.1	0.3
Share repurchases, cost	$ 4	$ 23	$ 10	$ 36
Shares Repurchase Program And Shares Repurchased From Employees
Share Repurchases
Share repurchases (in shares)	3.6	7.9	13.3	35.6
Share repurchases, cost	$ 621	$ 858	$ 1,567	$ 3,654