FINANCING: (Details) - 4.5 Senior Unsecured Notes Due 2050 - Minera Mexico S.A. de C.V. Notes $ in Millions	Sep. 26, 2019 USD ($)
FINANCING
Face amount	$ 1,000.0
Debt discount	$ 12.7
Interest rate (as a percent)	4.50%

Face (par) amount of debt instrument at time of issuance.

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

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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.

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- Definition

Amount, after accumulated amortization, of debt discount.

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