Capital Stock and Earnings (Loss) Per Share - Additional Information (Details) - USD ($)	3 Months Ended			6 Months Ended		15 Months Ended
	Jul. 31, 2021	Aug. 01, 2020	May 02, 2020	Jul. 31, 2021	Aug. 01, 2020	May 01, 2021	Feb. 29, 2020	Feb. 28, 2019
Capital Unit [Line Items]
Common stock repurchased and retired (in shares)	4,600,000			4,600,000
Common stock repurchased and retired	$ 297,099,000			$ 297,099,000	$ 201,500,000
Remaining available stock under stock repurchase plan	$ 2,700,000,000			$ 2,700,000,000
Antidilutive options excluded (in shares)	0			0
Cash dividends declared per share (in dollars per share)	$ 0.26	$ 0		$ 0.52	$ 0
Trade Date Basis
Capital Unit [Line Items]
Common stock repurchased and retired (in shares)			3,200,000			0
Common stock repurchased and retired			$ 190,000,000
Stock Repurchase Program 2020
Capital Unit [Line Items]
Stock repurchase program, common stock purchase value							$ 1,500,000,000
Stock Repurchase Program 2019
Capital Unit [Line Items]
Stock repurchase program, common stock purchase value								$ 1,500,000,000