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
May 04, 2019	May 05, 2018
Basic earnings per share:
Net income	$ 700,178	$ 716,381
Weighted average common shares outstanding for basic EPS (in shares)	1,214,531	1,253,224
Basic earnings per share (in dollars per share)	$ 0.58	$ 0.57
Diluted earnings per share:
Net income	$ 700,178	$ 716,381
Shares for basic and diluted earnings per share calculations:
Weighted average common shares outstanding for basic EPS (in shares)	1,214,531	1,253,224
Stock options and awards (in shares)	18,876	15,648
Weighted average common shares outstanding for diluted EPS (in shares)	1,233,407	1,268,872
Diluted earnings per share (in dollars per share)	$ 0.57	$ 0.56
Cash dividends declared per share (in dollars per share)	$ 0.23	$ 0.195

Aggregate dividends declared during the period for each share of common stock outstanding.

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