Capital Stock and Earnings Per Share - Calculation of Basic and Diluted Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Aug. 03, 2019	Aug. 04, 2018	Aug. 03, 2019	Aug. 04, 2018
Basic earnings per share:
Net income	$ 758,962	$ 739,626	$ 1,459,140	$ 1,456,007
Weighted average common shares outstanding for basic EPS (in shares)	1,210,525	1,246,851	1,212,528	1,250,037
Basic earnings per share (in dollars per share)	$ 0.63	$ 0.59	$ 1.20	$ 1.16
Diluted earnings per share:
Net income	$ 758,962	$ 739,626	$ 1,459,140	$ 1,456,007
Shares for basic and diluted earnings per share calculations:
Weighted average common shares outstanding for basic EPS (in shares)	1,210,525	1,246,851	1,212,528	1,250,037
Assumed exercise/vesting of stock options and awards (in shares)	18,461	19,069	18,683	17,330
Weighted average common shares outstanding for diluted EPS (in shares)	1,228,986	1,265,920	1,231,211	1,267,367
Diluted earnings per share (in dollars per share)	$ 0.62	$ 0.58	$ 1.19	$ 1.15
Cash dividends declared per share (in dollars per share)	$ 0.230	$ 0.195	$ 0.460	$ 0.390