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Segments - Additional Information (Detail) | 3 Months Ended
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Oct. 01, 2016
Hunter Ridge Energy Services LLC [Member] |
Segment Reporting Information [Line Items] |
Equity method investment ownership percentage, percentage of investee's ownership interest sold | 50.00%

X
- Definition The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting that was sold. + References No definition available. + Details
Name: | nue_EquityMethodInvestmentOwnershipPercentageOfInvesteeSold
Namespace Prefix: | nue_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_SegmentReportingInformationLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=nue_HunterRidgeEnergyServicesLlcMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |