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SUBSEQUENT EVENTS - Agreement Regarding Governance of Usiminas (Details) - Previdência Usiminas - Tenrium Investments S.a r.l. & Nippon Steel & Sumitomo Metal Corporation | Feb. 08, 2018 term
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Disclosure of non-adjusting events after reporting period [line items] |
Alternating time interval to nominate CEO | 4 years
Number of consecutive terms | 2
Alternating term to nominate CEO | 2 years

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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table. + References No definition available. + Details
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- Definition Alternating term to nominate CEO + References No definition available. + Details
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- Definition Alternating time interval to nominate CEO + References No definition available. + Details
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- Definition Number of Consecutive Terms + References No definition available. + Details
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- Details
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- Details
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