SUBSEQUENT EVENTS (Details) - Other investments - Gerdau - USD ($) shares in Millions, $ in Millions	Jul. 16, 2019	Jun. 30, 2019
Disclosure of non-adjusting events after reporting period [line items]
Carrying value of the investment		$ 119
Sale of other investments
Disclosure of non-adjusting events after reporting period [line items]
Sale of preferred shares (in shares)	30
Proportion of preferred shares held	2.60%
Consideration received	$ 116

The amount of consideration paid or received in respect of both obtaining and losing control of subsidiaries or other businesses. [Refer: Subsidiaries [member]]

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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.

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The amount of investments in equity instruments that the entity has designated at fair value through other comprehensive income. [Refer: At fair value [member]; Other comprehensive income]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition

Proportion Of Preferred Shares Held

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Sale Of Preferred Shares, Shares

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