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Trade and Other Receivables - Schedule of Trade and Other Receivables (Parenthetical) (Detail) - USD ($) $ in Millions | Dec. 31, 2020 | Dec. 31, 2019
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Trade and Other Receivables [line items] |  |
Derivative Financial Assets | $ 113.3 | $ 1.1
Tarkwa [member] |  |
Trade and Other Receivables [line items] |  |
Provision for expected Credit Loss was raised against Receivables | $ 29.0 |
Trade And Other Receivable [Member] |  |
Trade and Other Receivables [line items] |  |
Derivative Financial Assets |  | $ 1.1

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- Definition The amount of derivative financial assets held for hedging. [Refer: Derivative financial assets] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 55 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_55&doctype=Standard -URIDate 2020-01-01 + Details
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- Definition The maximum exposure to the credit risk of loans or receivables. [Refer: Loans and receivables; Credit risk [member]; Maximum exposure to credit risk] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Note Expiry date 2021-01-01 -Name IFRS -Number 7 -IssueDate 2020-01-01 -Paragraph 9 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2017-en-b&anchor=para_9_a&doctype=Standard&book=b -URIDate 2020-01-01 + Details
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- Details
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- Details
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