Capital Stock and (Loss) Earnings Per Share - Calculation of Basic and Diluted Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	May 02, 2020	May 04, 2019
Basic (loss) earnings per share
Net (loss) income	$ (887,489)	$ 700,178
Weighted average common shares outstanding for basic (loss) earnings per share calculation (in shares)	1,197,809	1,214,531
Basic (loss) earnings per share (in dollars per share)	$ (0.74)	$ 0.58
Diluted (loss) earnings per share:
Net (loss) income	$ (887,489)	$ 700,178
Weighted average common shares outstanding for basic (loss) earnings per share calculation (in shares)	1,197,809	1,214,531
Assumed exercise/vesting of stock options and awards (in shares)	0	18,876
Weighted average common shares outstanding for diluted (loss) earnings per share calculation (in shares)	1,197,809	1,233,407
Diluted (loss) earnings per share (in dollars per share)	$ (0.74)	$ 0.57
Cash dividends declared per share (in dollars per share)	$ 0	$ 0.230