Stockholders' Equity - Additional Information (Detail) - USD ($)	3 Months Ended		6 Months Ended
	Jul. 03, 2021	Jul. 04, 2020	Jul. 03, 2021	Jul. 04, 2020	May 13, 2021
Dividends declared per share	$ 0.405	$ 0.4025	$ 0.81	$ 0.805
Common Stock [Member]
Share repurchase program, available repurchase amount	$ 2,800,000,000		$ 2,800,000,000
Common Stock [Member] | Maximum [Member]
Stock Repurchase Program, Authorized Amount					$ 3,000,000,000.00
Nucor-Yamato Steel Company [Member]
Noncontrolling interest, ownership percentage by parent	51.00%	51.00%	51.00%	51.00%