Equity Investments	12 Months Ended
Dec. 31, 2023
Equity Method Investments And Joint Ventures [Abstract]
Equity Investments	9. Equity Investments The carrying value of our equity investments in domestic and foreign companies was $479.5 million at December 31, 2023 ($562.3 million at December 31, 2022), and is recorded in other assets in the consolidated balance sheets. NuMit Nucor owns a 50% economic and voting interest in NuMit LLC (“NuMit”). NuMit owns 100% of the equity interest in Steel Technologies LLC, an operator of 32 sheet processing facilities located throughout the United States, Canada and Mexico. Nucor accounts for its investment in NuMit (on a one-month lag basis) under the equity method, as control and risk of loss are shared equally between the members of NuMit. Nucor’s investment in NuMit was $431.9 million at December 31, 2023 ($423.9 million at December 31, 2022). Nucor received distributions of $32.9 million, $55.6 million, and $0.2 million from NuMit during 2023, 2022 and 2021, respectively. Nucor-JFE Steel Mexico Nucor previously owned a 50% economic and voting interest in Nucor-JFE Steel Mexico, S. de R.L. de C.V. (“NJSM”), a 50-50 joint venture with JFE Steel Corporation (“JFE”) of Japan. In October 2023, Nucor purchased an additional 1% interest in NJSM to bring the total investment to a 51% controlling interest. Beginning in the fourth quarter of 2023, Nucor has accounted for NJSM on a consolidated basis. See Note 25 for purchase price allocation information related to the step acquisition. Nucor’s investment in NJSM was $91.8 million at December 31, 2022. All Equity Investments Nucor reviews its equity investments for impairment if and when circumstances indicate that a decline in fair value below their carrying amounts may have occurred. There were no triggering events that caused management to pursue additional testing of our equity method investments in 2023.

Equity Investments

12 Months Ended

Dec. 31, 2023

Equity Method Investments And Joint Ventures [Abstract]

9. Equity Investments

The carrying value of our equity investments in domestic and foreign companies was $479.5 million at December 31, 2023 ($562.3 million at December 31, 2022), and is recorded in other assets in the consolidated balance sheets.

NuMit

Nucor owns a 50% economic and voting interest in NuMit LLC (“NuMit”). NuMit owns 100% of the equity interest in Steel Technologies LLC, an operator of 32 sheet processing facilities located throughout the United States, Canada and Mexico. Nucor accounts for its investment in NuMit (on a one-month lag basis) under the equity method, as control and risk of loss are shared equally between the members of NuMit. Nucor’s investment in NuMit was $431.9 million at December 31, 2023 ($423.9 million at December 31, 2022). Nucor received distributions of $32.9 million, $55.6 million, and $0.2 million from NuMit during 2023, 2022 and 2021, respectively.

Nucor-JFE Steel Mexico

Nucor previously owned a 50% economic and voting interest in Nucor-JFE Steel Mexico, S. de R.L. de C.V. (“NJSM”), a 50-50 joint venture with JFE Steel Corporation (“JFE”) of Japan. In October 2023, Nucor purchased an additional 1% interest in NJSM to bring the total investment to a 51% controlling interest. Beginning in the fourth quarter of 2023, Nucor has accounted for NJSM on a consolidated basis. See Note 25 for purchase price allocation information related to the step acquisition. Nucor’s investment in NJSM was $91.8 million at December 31, 2022.

All Equity Investments

Nucor reviews its equity investments for impairment if and when circumstances indicate that a decline in fair value below their carrying amounts may have occurred. There were no triggering events that caused management to pursue additional testing of our equity method investments in 2023.