Stockholders' Equity - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended
	Mar. 30, 2024	Apr. 01, 2023	Sep. 30, 2023	May 11, 2023
Dividends declared per share	$ 0.54	$ 0.51
Common Stock [Member]
Share repurchase program, available repurchase amount	$ 2,320
Common Stock [Member] | Maximum [Member]
Stock Repurchase Program, Authorized Amount				$ 4,000
Nucor Yamato Steel Company [Member]
Noncontrolling interest, ownership percentage by parent	51.00%	51.00%
California Steel Industries Inc [Member]
Noncontrolling interest, ownership percentage by parent	51.00%	51.00%
Nucor-JFE Steel Mexico, S. de R.L. de C.V. [Member]
Noncontrolling interest, ownership percentage by parent	51.00%
Percentage of additional Interest acquired			1.00%